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Taken from KeelyNet BBS (214) 324-3501
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Sponsored by Vangard Sciences
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PO BOX 1031
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Mesquite, TX 75150
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There are ABSOLUTELY NO RESTRICTIONS
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on duplicating, publishing or distributing the
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files on KeelyNet except where noted!
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January 8, 1992
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TURBINE.ASC
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This file shared with KeelyNet courtesy of :
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The TESLA BBS...300,1200,2400...(8,N,1)
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(719) 486-2775 Data
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(303) 824-6834 Voice
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(303) 443-8478 Voice
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TESLA, Inc.
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820 Bridger Circle
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Craig, CO 81625
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--------------------------------------------------------------------
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BOUNDARY-LAYER BREAKTHROUGH - THE TESLA BLADELESS TURBINE
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Compiled by Jeffery A. Hayes
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INTRODUCTION
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Most people remember Nikola Tesla for his work and revelations in
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the field of electrical energy and the invention of radio. However,
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Tesla had a life long interest in developing a flying machine.
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Tesla had envisioned himself as the first man that would fly. He
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had planned to build an aircraft that would operate on electric
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motors. However, the first men who successfully flew an aircraft
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used the reciprocating internal combustion engine. Though
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successful in achieving flight, aircraft using these engines were
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dangerous and unpredictable, due to the engine's lack of adequate
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power. Tesla turned his attention to revamping the internal
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combustion engine so as to make flying safe for all and minimize its
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environmental impact. Documented in this text is the result of
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Tesla's endeavors and the resulting marvel of machines called the
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Bladeless Boundary-Layer Turbine.
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Although Tesla's dream for his engines application in aircraft was
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not realized in his life time, if allowed to be used in aircraft
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today, it would provide a quiet, safe, simple and efficient
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alternative to our supposedly advanced bladed turbine aircraft
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engines. It has been estimated that an increase in fuel efficiency
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of a factor of three could be realized in aircraft and thus
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substantially reduce pollution. Not only this, the Bladeless Tesla
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Turbine Engine can turn at much higher speeds with total safety. If
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a conventional bladed turbine engine goes critical or fails, watch
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out, you have exploding parts slicing through hydraulic lines,
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control surfaces and maybe even you.
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With the Bladeless Tesla Turbine this is not a danger because it
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will not explode. If it does go critical, as has been documented in
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tests at 85,000 rpm, the failed component will not explode but
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implode into tiny pieces which are ejected through the exhaust while
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the undamaged components continue to provide thrust to keep you
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airborne. We. can only speculate on the human suffering that could
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and should be averted.
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The application of this amazing engine was not to be limited to
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aircraft. Tesla was setting up plans to replace what he considered
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the wasteful, polluting, inefficient and complicated reciprocating
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engine in all its applications, including the automobile. Tesla's
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small but powerful engine has only one moving part and is 95%
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efficient, which means tremendous mileage. It runs vibration free
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and doesn't even require a muffler. Not only is this engine 95%
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efficient, as compared to 25% efficiency or less of the conventional
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gas engine, it can run efficiently on any fuel from sawdust to
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hydrogen with no wear on the internal engine components. This
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engine's speed-torque characteristic allows full torque at the
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bottom of the speed range eliminating the conventional shifting gear
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transmission. This provides additional economy as the expensive,
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complicated and wear prone transmission is eliminated.
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Unlike most people of the time, Tesla was very concerned about the
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long range environmental damage the reciprocating engines would
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create. He stressed over and over how we must take the long range
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view and not step out of harmony with our life support systems.
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Today the widening concern for Spaceship Earth and the renewal of an
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old ethic "We don't inherit the Earth from our ancestors, we borrow
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it from our children" is slowly beginning to awaken people to the
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concerns of Tesla.
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Although the existence of the automobile on city streets dates back
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to the first years of the century, its role as a contributor to air
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contamination did not receive wide acceptance among scientists until
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the 60's. Factual evidence that urban area smog was chemically
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related to automobile emissions had been produced and acknowledged
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by scientific groups in the 1950's. Despite vehement disagreement
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which ensued between government and the automotive industry on this
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volatile issue, research and development programs were initiated by
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both groups in an effort to identify the reciprocating internal
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combustion engine's sources of pollution and determine what
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corrective action might be taken. Obviously Tesla's ounce of
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prevention was not heeded, leaving us with well over the pound
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required for a cure with nearly half of all air pollution caused by
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the reciprocating internal combustion engine.
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The Boundary Layer Turbine is not only an engine that is hard to
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comprehend by our currently imposed standards, but can also be used
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as a pump with slight modification. And like its cousin the engine,
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it has Herculean power. Unlike conventional pumps that are easily
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damaged by contaminants, the Bladeless Tesla Pump can handle
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particles and corrosives in stride as well as gases with no
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cavitation effect that destroys, in short order, conventional type
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pumps.
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These pumps and engines, though unknown to most, are available for
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commercial sale. If large scale commercial production was
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implemented, these engines and pumps would be extremely affordable
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due to their simplicity of manufacture, longevity, almost total lack
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of maintenance and the added bonus that they require no crank case
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oil.
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Almost a quarter of the air pollution today comes from the coal
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being burned to generate electricity. Fuel consumption, resulting
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in air pollution and acid rain, could be significantly reduced
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simply by replacing the conventional blade steam turbines currently
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used by utilities with the Bladeless Tesla Steam Turbine. This also
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would have the added bonus of drastically reducing maintenance. But
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the real solution lies in using low temperature wet steam occurring
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naturally from the ground in the form of geothermal energy. This
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energy would destroy a conventional bladed steam turbine, unless
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expensive steam drying is employed. However, the Bladeless Tesla
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Steam Turbine requires no drying and can be connected directly to
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the geothermal source.
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It has been estimated that the geothermal potential in just Southern
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California alone, could power the entire North American Continent
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with NO POLLUTION! Large oil companies have comprehended the
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potential of geothermal energy and have purchased many of these
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large tracks of prime geothermal land.
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Due to the revolutionary concepts embodied in this engine, we can
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easily end the so called energy crisis and dramatically reduce
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pollution. Even the vested energy interests are beginning to
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understand that now is the time for change, realizing their future
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health and wealth is directly linked to that of the environment.
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You can't hide or buy your way out of a devastated planet. There
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must also be a move forward for the many misinformed
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environmentalists who see our future as one of regression from
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technology instead of its proper usage.
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Tesla from his 1919 autobiography, My Inventions:
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"My alternating system of power transmission came at a
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psychological moment, as a long-sought answer to pressing
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industrial questions, and altho considerable resistance had to
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be overcome and opposing interests reconciled, as usual, the
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commercial introduction could not be long delayed. Now,
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compare this situation with that confronting my turbine, for
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example.
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One should think that so simple and beautiful an invention,
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possessing many features of an ideal motor, should be adopted
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at once and, undoubtedly, it would under similar conditions.
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But the prospective effect of the rotating field was not to
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render worthless existing machinery; on the contrary, it was
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to give it additional value. The system lent itself to new
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enterprise as well as to improvement of the old.
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My turbine is an advance of a character entirely different.
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It is a radical departure in the sense that its success would
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mean the abandonment of the antiquated types of prime movers
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on which billions of dollars have been spent. Under such
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circumstances the progress must needs be slow and perhaps the
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greatest impediment is encountered in the prejudicial opinions
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created in the minds of experts by organized opposition."
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H.G. Wells once said that future history will be a race between
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education and catastrophe. This book is dedicated to the race for
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education.
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Reprinted from:
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Boundary-Layer Breakthrough - The Tesla Bladeless Turbine
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pages 114-118.
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--------------------------------------------------------------------
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Scientific American September 30, 1911, page 290
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From the Complex to the Simple
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A MARKED step was taken in the simplification of prime movers when
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Watt's cumbersome beam engine, with its ingenious but elaborate
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parallel motion, gave way to the present standard reciprocating
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type, with only piston rod, cross head and connecting rod interposed
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between piston and crank. An even greater advance toward ideal
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simplicity occurred when, after years of effort by inventors to
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produce a practicle rotary, Parsons brought out his compact, though
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costly, turbine, in which the energy of the steam is developed on a
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zig zag path through multitudinous rows of fixed and moving blades.
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And now comes Mr. Tesla with a motor which bids fair to carry the
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steam engine another long step toward the ideally simple prime mover
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- a motor in which the fixed and revolving blades of the turbine
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give place to a set of steel disks of simple and cheap construction.
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If the flow of steam in spiral curves between the adjoining faces of
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flat disks is an efficient method of developing the energy of the
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steam, the prime mover would certainly appear to have been at last
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reduced to its simplest terms.
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The further development of the unique turbine which we describe
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elsewhere will be followed with close attention by the technical
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world. The results attained with this small high-pressure unit are
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certainly flattering, and give reason to believe that the addition
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of a low pressure turbine and a condenser would make this type of
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turbine as highly efficient as it is simple and cheap in
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construction and maintenance.
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--------------------------------------------------------------------
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Scientific American September 30, 1911, page 296
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The Rotary Heat Motor Reduced to its Simplest Terms
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It will interest the readers of the Scientific American to that
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Nikola Tesla, whose reputation must, naturally, stand upon the
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contribution he made to electrical engineering when the art was yet
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in its comparative infancy, is by training and choice a mechanical
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engineer, with a strong leaning to that branch of it which is
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covered by the term "steam engineering." For several years past he
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has devoted much of his attention to improvements in thermo-dynamic
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conversion, and the result of his theories and practical experiments
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is to be found in an entirely new form of prime movers shown in
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operation at the waterside station of the New York Edison Company,
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who kindly placed the facilities of their great plant at his
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disposal for carrying on experimental work.
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By the courtesy of the inventor, we are enabled to publish the
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accompanying views, representing the testing plant at the Waterside
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station, which are the first photographs of this interesting motor
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that have yet been made public.
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The basic principle which determined Tesla's investigations was the
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well-known fact that when a fluid (steam, gas or water) is used as a
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vehicle of energy, the highest possible economy can be obtained only
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when the changes in velocity and direction of the movement of the
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fluid are made as gradual and easy as possible. In the present
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forms of turbines in which the energy is transmitted by pressure,
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reaction or impact, as in the De Laval, Parsons, and Curtiss types,
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more or less sudden changes both of speed and direction are
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involved, with consequent shocks, vibration and destructive eddies.
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Furthermore, the introduction of pistons, blades, buckets, and
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intercepting devices of this general class, into the path of the
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fluid involves much delicate and difficult mechanical construction
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which adds greatly to the cost both of production and maintenance.
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The desiderata in an ideal turbine group themselves under the heads
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of the theoretical and the mechanical. The theoretically perfect
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turbine would be one in which the fluid was so controlled from the
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inlet to the exhaust that its energy was delivered to the driving
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shaft with the least possible losses due to the mechanical means
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employed. The mechanically perfect turbine would be one which
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combined simplicity and cheapness of construction, durability, ease
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and rapidity of repairs, and a small ratio of weight and space
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occupied to the power delivered on the shaft.
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Mr. Tesla maintains that in the turbine which forms the subject of
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this article, he has carried the steam and gas motor a long step
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forward toward the maximum attainable efficiency, both theoretical
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and mechanical. That these claims are well founded is shown by the
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fact that in the plant at the Edison station, he is securing an
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output of 200 horse-power from a single-stage steam turbine with
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atmospheric exhaust, weighing less than 2 pounds per horse-power,
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which is contained within a space measuring 2 feet by 3 feet, by 2
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feet in height, and which accomplishes these results with a thermal
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fall of only 130 B.T.U., that is, about one-third of the total drop
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available.
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Furthermore, considered from the mechanical standpoint, the turbine
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is astonishingly simple and economical in construction, and by the
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very nature of its construction, should prove to possess such a
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durability and freedom from wear and breakdown as to place it, in
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these respects, far in advance of any type of steam or gas motor of
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the present day.
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Briefly stated, Tesla's steam motor consists of a set of flat steel
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disks mounted on a shaft and rotating within a casing, the steam
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entering with high velocity at the periphery of the disks, flowing
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between them in free spiral paths, and finally escaping through
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exhaust ports at their center. Instead of developing the energy of
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the steam by pressure, reaction, or impact, on a series of blades or
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vanes, Tesla depends upon the fluid properties of adhesion and
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viscosity--the attraction of the steam to the faces of the disks and
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the resistance of its particles to molecular separation combining in
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transmitting the velocity energy of the motive fluid to the plates
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and the shaft.
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By reference to the accompanying photographs and line drawings, it
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will be seen that the turbine has a rotor A which in the present
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case consists of 25 flat steel disks, one thirty-second of an inch
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in thickness, of hardened and carefully tempered steel. The rotor
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as assembled is 3 1/2 inches wide on the face, by 18 inches in
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diameter, and when the turbine is running at its maximum working
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velocity, the material is never under a tensile stress exceeding
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50,000 pounds per square inch. The rotor is mounted in a casing D,
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which is provided with two inlet nozzles, B for use in running
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direct and B' for reversing. Openings C are cut out at the central
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portion of the disks and these communicate directly with exhaust
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ports formed in the side of the casing.
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In operation, the steam, or gas, as the case may be is directed on
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the periphery of the disks through the nozzle B (which may be
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diverging, straight or converging), where more or less of its
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expansive energy is converted into velocity energy. When the
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machine is at rest, the radial and tangential forces due to the
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pressure and velocity of the steam cause it to travel in a rather
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short curved path toward the central exhaust opening, as indicated
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by the full black line in the accompanying diagram; but as the disks
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commence to rotate and their speed increases, the steam travels in
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spiral paths the length of which increases until, as in the case of
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the present turbine, the particles of the fluid complete a number of
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turns around the shaft before reaching the exhaust, covering in the
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meantime a lineal path some 12 to 16 feet in length. During its
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progress from inlet to exhaust, the velocity and pressure of the
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steam are reduced until it leaves the exhaust at 1 or 2 pounds gage
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pressure.
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The resistance to the passage of the steam or gas between adjoining
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plates is approximately proportionate to the square of the relative
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speed, which is at a maximum toward the center of the disks and is
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equal to the tangential velocity of the steam. Hence the resistance
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to radial escape is very great, being furthermore enhanced by the
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centrifugal force acting outwardly.
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One of the most desirable elements in a perfected turbine is that of
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reversibility, and we are all familiar with the many and frequently
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cumbersome means which have been employed to secure this end. It
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will be seen that this turbine is admirably adapted for reversing,
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since this effect can be secured by merely closing the right-hand
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valve and opening that on the left.
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It is evident that the principles of this turbine are equally
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applicable, by slight modifications of design, for its use as a
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pump, and we present a photograph of a demonstration model which is
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in operation in Mr. Tesla's office. This little pump, driven by an
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electric motor of 1/12 horse-power, delivers 40 gallons per minute
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against a head of 9 feet. The discharge pipe leads up to a
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horizontal tube provided with a wire mesh for screening the water
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and checking the eddies. The water falls through a slot in the
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bottom of this tube and after passing below a baffle plate flows in
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a steady stream about 3/4 inch thick by 18 inches in width, to a
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trough from which it returns to the pump.
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Pumps of this character show an efficiency favorably comparing with
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that of centrifugal pumps and they have the advantage that great
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heads are obtainable economically in a single stage. The runner is
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mounted in a two-part volute casing and except for the fact that the
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place of the buckets, vanes, etc., of the ordinary centrifugal pump
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is taken by a set of disks, the construction is generally similar to
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that of pumps of the standard kind.
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In conclusion, it should be noted that although the experimental
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plant at the Waterside station develops 200 horse-power with 125
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pounds at the supply pipe and free exhaust, it could show an output
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of 300 horse-power with the full pressure of the Edison supply
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circuit. Furthermore, Mr. Tesla states that if it were compounded
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and the exhaust were led to a low pressure unit, carrying about
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three times the number of disks contained in the high pressure
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element, with connection to a condenser affording 28 1/2 to 29
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inches of vacuum, the results obtained in the present high-pressure
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machine indicate that the compound unit would give an output of 600
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horse-power, without great increase of dimensions. This estimate is
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conservative.
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The testing plant consists of two identical turbines connected by a
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carefully calibrated torsion spring, the machine to the left being
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the driving element, the other the brake. In the brake element, the
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steam is delivered to the blades in a direction opposite to that of
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the rotation of the disks. Fastened to the shaft of the brake
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turbine is a hollow pulley provided with two diametrically opposite
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narrow slots, and an incandescent lamp placed inside close to the
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rim.
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As the pulley rotates, two flashes of light pass out of the same,
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and by means of reflecting mirrors and lenses, they are carried
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around the plant and fall upon two rotating glass mirrors placed
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back to back on the shaft of the driving turbine so that the center
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line of the silver coatings coincides with the axis of the shaft.
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The mirrors are so set that when there is no torsion on the spring,
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the light beams produce a luminous spot stationary at the zero of
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the scale. But as soon as load is put on, the beam is deflected
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through an angle which indicates directly the torsion. The scale
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and spring are so proportioned and adjusted that the horse-power can
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be read directly from the deflections noted.
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The indications of this device are very accurate and have shown that
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when the turbine is running at 9,000 revolutions under an inlet
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pressure of 125 pounds to the square inch, and with free exhaust,
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200 brake horse-power are developed. The consumption under these
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conditions of maximum output is 38 pounds of saturated steam per
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horse-power per hour - a very high efficiency when we consider that
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the heat-drop, measured by thermometers, is only 130 B.T.U., and
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that the energy transformation is effected in one stage. Since
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about three times this number of heat units are available in a
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modern plant with super-heat and high vacuum, the above means a
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consumption of less than 12 pounds per horse-power hour in such
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turbines adapted to take up the full drop.
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Under certain conditions, however, very high thermal efficiencies
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have been obtained which demonstrate that in large machines based on
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this principle, in which a very small slip can be secured, the steam
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consumption will be much lower and should, Mr. Tesla states,
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approximate the theoretical minimum, thus resulting in nearly
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frictionless turbine transmitting almost the entire expansive energy
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of the steam to the shaft.
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--------------------------------------------------------------------
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Page 79
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AUTOMOBILE COOLING SYSTEM PUMP
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These are photographs of a four inch diameter water pump. It is
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specifically designed to pump cooling water for internal combustion
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engines of all sizes and types. It has an inch and a quarter inlet
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and a one inch outlet. It will pump approximately 1,000 gallons of
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water per hour at 12 PSI. It is driven by a flat pancake type D. C.
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motor that is only 1?2" thick. It's power requirement is 100 watts.
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The pump itself is fabricated from 6061 aluminum, hard anodized,
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which is equivalent to a type of stainless steel that is capable of
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going through a 200 hour salt spray test. The bladeless pump can
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pump boiling water without cavitation without loosing its prime.
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Conventional pumps cannot pump boiling water, leading to engine
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damage if the cooling system does reach the boiling point. This
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will allow a new type of cooling system for automobiles that will
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replace the belt driven water pump. The electric motor that drives
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this pump will not operate when the temperature engine indicates
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that it is not required. The pump will only operate when it is
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needed. The operating temperature can easily be adjusted in the
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field from 180 degrees to 200 degrees without having to replace a
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mechanical thermostat as is the normal procedure.
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The conventional lifting surface centrifugal pump that is normally
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used requires from 6 to 10 HP to drive it off a belt. The new
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bladeless pump will operate only when needed and then consumes less
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than one HP. Another example of reduction of parasitic horse-power.
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This pump is currently available for commercial sale and has been
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fully tested.
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BOUNDARY-LAYER BREAKTHROUGH - THE TESLA BLADELESS TURBINE
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Journey back to the future and discover the fascinating secret
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behind the most powerful and economic internal or external
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|
combustion engine of all time: Tesla's Bladeless Boundary-Layer
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Turbine.
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You will experience the excitement of understanding as Tesla's
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mechanical breakthrough is explored, shattering the boundaries of
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|
our current mechanical standard. You will be swept into the
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|
awareness of discovery as the simplicity of this whirl wind machine
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|
of natural harmony is revealed. Unveiled here today how it is
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|
possible to convert the normally undesired energy of drag into the
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|
tremendous vortex energy of Tesla's perfectly controlled mechanical
|
|
tornado. The real answer to energy.
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The history of Tesla's monarch of machines is then followed into the
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|
present day work of researcher and inventer C.R. "Jake" Possell [1].
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You will learn how modern day applications of the bladeless turbine
|
|
could improve all aspects of our mechanical life. Today's
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|
applications range from indestructible pumps and freon free air
|
|
conditioning to speed boats and supersonic aircraft.
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|
|
Conventional pumps and engines pale in comparison. This jewel of
|
|
mechanics has no equal. It stands alone above all others. No other
|
|
pump or engine can match the longevity, economy, size, safety,
|
|
silence and vibration free Herculean power of this truly elegant
|
|
machine. It waits patiently to solve the efficiency and pollution
|
|
problems of today and could literally usher in A NEW WORLD.
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[1] Mr. C. R. "Jake" Possell Is President of a Public Company called
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QUADRATECH, Inc., 1417 South Gage Street, San Bernardino, CA 92408
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|
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BOUNDARY-LAYER BREAKTHROUGH - THE BLADELESS TESLA TURBINE
|
|
Volume II. The Tesla Technology Series,
|
|
ISBN 1-882137-01-9
|
|
-- Fully illustrated --
|
|
|
|
To order send $19.95 US plus $2.50 (US); $3.50 (Canada); and
|
|
$6.75 (Elsewhere) for Shipping and Handling, to:
|
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|
|
Gary L. Peterson
|
|
P. O. Box 2001
|
|
Breckenridge, CO 80424
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If you have comments or other information relating to such topics
|
|
as this paper covers, please upload to KeelyNet or send to the
|
|
Vangard Sciences address as listed on the first page.
|
|
Thank you for your consideration, interest and support.
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|
|
Jerry W. Decker.........Ron Barker...........Chuck Henderson
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Vangard Sciences/KeelyNet
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If we can be of service, you may contact
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Jerry at (214) 324-8741 or Ron at (214) 242-9346
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