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352 lines
13 KiB
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352 lines
13 KiB
Plaintext
Msg#:18489 *AVIATION*
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01/25/92 22:44:00 (Read 0 Times)
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From: DEAN ADAMS
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To: ALBERT DOBYNS
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Subj: SR-71 DATA
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AD> I'm interested in seeing what the researcher's handbook has in it.
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OK, here is the best of what I have picked up...
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Lockheed SR-71
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Supersonic / Hypersonic Research Facility
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Researcher's Handbook
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Volume I Executive Summary
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This handbook provides information on use of the SR-71 for basic and applied
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research, theoretical or applied development, testing and evaluation of
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material or equipment, in any field of user interest in the supersonic/
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hypersonic arena. The purpose of this handbook is to provide an overview
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of the capabilities and limitations of the SR-71 as a high altitude, high
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Mach, research, development, and test and evaluation (RDT&E) platform
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Primary Function .................High Speed Test Platform
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Speed ............................More Than 2,000 Miles Per Hour (Mach 3.2)
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Altitude .........................Above 80,000 Feet
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Number of Engines ................Two J-58 Turbojets with Afterburners
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Range ............................More Than 2,000 Miles
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Crew .............................Two: Pilot and Test Engineer
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Dimensions:
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Span ...........................55.6 Feet
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Length .........................107.4 Feet
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Height (Parked) ................18.5 Feet
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Weight .........................143,000 Pounds
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Flight Envelope
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- Maximum Performance
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Mach 3.2+, Altitude: Above 85,000 Feet
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- Airspeeds
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310 - 450 KEAS (Normal)
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500 KEAS (Extended)
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- Dynamic Pressure Range: 325 - 847 lbs/sq.ft
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- Heat Soak: Over 600 F for 60 minutes
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- Remain at Mach 3.00: Over 60 Minutes Per Sortie
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Flight Profile-Maximum Range
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- Total Time: ~ 100 Mins
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- Mach 3.0 Time: ~ 64 Mins
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- T/O Gross Wt: 140,000 lbs
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- T/O Fuel: 80,000 lbs
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Flight Profile - Maximum A/B Cruise
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- Total Time: ~ 83 Mins
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- Mach 3.0 Time: ~ 48 Mins
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- T/O Gross Wt: 140,000 lbs
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- T/O Fuel: 80,000 lbs
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Extended Flight Envelope - Development
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- Beyond 3.2
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Thrust/Drag: Not An Immediate Limit
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Inlet Temperature, Aerostability, and Hot Structure Considerations
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Engineering/Flight Qualification Required
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- Equivalent Airspeed Beyond 500 KEAS
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Engineering/Flight Qualification Required
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Demonstrated Integration
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- Lockheed Skunk Works Has Demonstrated Highly Successful Systems
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Engineering/Integration On The SR-71
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Optical Film Cameras (Visual and IR)
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Imaging Radar Systems
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ELINT
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Air-to-Ground Data Linking
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Analog and Digital Recording Devices
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Design of Real-Time Satellite Data Link
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Design of a Global Position System (GPS)
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Captive Test Of Radar For Reentry Vehicle
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Laser Communication
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Successful Tests and Demonstrations
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- Overland Sonic Boom Characterization
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- Shuttle Re-Entry Flight Path Emulation
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- Extended High-Heat Profile
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- Digital Automatic Flight/Inlet Control Development
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- Advanced Sensor/EW Interoperability
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- High-Altitude Turbulence Characterization
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- High-Temperature Structure And Thermal Protection Materials
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Other RDT&E Testing Potential
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- CFD Code Validation
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- Laminar Flow Control Experiments
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- Upper Atmosphere Characterization
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- Inlet/Engine Compatibility
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- Sonic Boom Evaluation/Propagation
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- High-Speed Civil Transport (HSCT) Component Evaluation
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- Sensor/Processor Experiments
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- Endothermic Fuel Testing
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Msg#:19737 *AVIATION*
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01/28/92 16:27:52 (Read 0 Times)
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From: ALBERT DOBYNS
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To: DEAN ADAMS
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Subj: REPLY TO MSG# 18489 (SR-71 DATA)
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Great stuff!! Is there more?
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Msg#:19165 *AVIATION*
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01/25/92 23:19:00 (Read 0 Times)
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From: DEAN ADAMS
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To: ALBERT DOBYNS
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Subj: RE: NASA'S NEW NUMBERS
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AD> to take a trip west: gotta get pictures of them with their new numbers!
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I just noticed a nice picture in the Jan 13 AW&ST (page 56), of the new
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NASA #831 SR-71B refueling from KC-135 #53135 right over Edwards...
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Msg#: 9492 *AVIATION*
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02/01/92 23:46:00 (Read 0 Times)
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From: DEAN ADAMS
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To: ALBERT DOBYNS
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Subj: REPLY TO MSG# 4841 (SR-71 DATA)
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AD> Great stuff!! Is there more?
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Yea, I picked up the second half of this data.
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Lockheed SR-71
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Supersonic / Hypersonic Research Facility
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Researcher's Handbook
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Volume I Executive Summary <con't>
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Internal Payload Provisions:
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- Large Payload Compartments/Bays
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Abundant Electrical Power: 60KVA, 115/220V, 400Hz
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Abundant Cooling Air: More Than 30 Pounds Per Minute, 35 Deg F Air
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More than 150 Liters LN2 Available
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Accessible Through Large Doors/Hatches
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Existing Payload Upload/Download Provisions
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Payload Bay Capacities:
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Payload Vol (Cu ft) Typical payload Max Dims in Bay (inches)
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Bay Each Bay Weight (Each Bay) - Typical Mounting
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A (Nose) 23 550 lbs 30 X 30 X 75
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C 7.2 150 lbs 24 X 24 X 16
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D 12 230 lbs 11 X 17 X 80
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K & L 29.2/Bay 900 lbs 16 X 17 X 92
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M & N 21.7/Bay 200 lbs 18 X 18 X 49
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P & Q 32.0/Bay 340 lbs 18 X 18 X 90
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S & T 22.7/Bay 400 lbs 18 X 18 X 62
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Internal Payload Deployment:
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- High Altitude, High Mach Missile Launch
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Demonstrated GAR-9 (Phoenix Type) Launches
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Altitudes from 65,000 to 76,000 feet
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Target Aircraft Was From 500 To 40,000 Feet
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Internal Carriage
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Piston Eject
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All But One Of 7 Launches Successful
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(Failure Caused By Missile Gyro Failure)
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Modification Potential:
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- Aircraft Can Be Modified To Accomplish:
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Internal Carriage: Free Flight Deployment
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External Carriage: Captive Experiments
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External Carriage: Free Flight Deployment
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External Carriage - Captive:
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- Experiments Designed For SR-71 Integration
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Suggest Potential Of Aircraft For Future
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Experimental Payloads
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Reentry Vehicle Sensor On Half Body
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High-Altitude/High-Mach Air Particulate Sampler
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Full Scale Supersonic Nacelle
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Air Particulate Sampler:
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W1 W2 Filter Approach
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Flow Rate Inlet Exit Velocity - Maximum
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SCFM Width Width FPS
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708 5.43 1.00 177
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1000 7.68 1.71 258
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Upper Surface Flow Field
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Local Flow Conditions Are Uniform
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Within A Large Region In The Expansion
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Dominated Flow Above The Aircraft
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External payload Deployments
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- D-21 Supersonic Drone. 5 Successfully Launched At Mach 3.
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- Advanced Concepts - Hypersonic Research Vehicle. Studied But Not Developed
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- Upper Or Lower Deployment Possible
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Msg#:11067 *AVIATION*
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02/04/92 21:50:00 (Read 1 Times)
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From: DEAN ADAMS
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To: ALL
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Subj: NASA SR-71/YF-12 DATA (1/2)
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Here is a four page fact sheet I recently picked up at the Dryden PA office.
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It has a lot of interesting information about current and past Blackbird
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activities at NASA Ames-Dryden...
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---------------------------------------------------------------------
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NASA Facts
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Ames Research Center
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Dryden Flight Research Facility
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SR-71
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"The Blackbird"
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Three SR-71 aircraft have been loaned to NASA by the U.S. Air Force as
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testbeds for high speed, high altitude aeronautical research. The aircraft,
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two SR-71A's and the only SR-71B pilot trainer aircraft in operation, are
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based at NASA's Dryden Flight Research Facility, Edwards, Calif.
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Developed for the U.S. Air Force as a reconnaissance aircraft more than
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27 years ago, SR-71's are still the world's fastest and highest-flying
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production aircraft.
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The aircraft can fly more than 2200 mph (Mach 3+ or more than three times
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the speed of sound) and at altitudes of over 85,000 feet. This operating
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environment makes the aircraft excellent platforms to carry out research
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and experiments in a variety of areas -- aerodynamics, propulsion,
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structures, thermal protection materials, high-speed and high-temperature
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instrumentation, and sonic boom characterization.
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Data from the SR-71 high speed research program will be used to aid
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designers of future supersonic/hypersonic aircraft and propulsion
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systems. Beneficiaries of this data include a future high speed civil
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transport and the National Aero-Space Plane (NASP) program.
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Program Management
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The SR-71 program at Dryden is part of NASA's overall high speed aeronautical
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research program, and is expected to involve many NASA research centers, and
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other government agencies.
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Project manager at Dryden is David P. Lux
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NASA Flight Crews
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Each NASA crew consists of a pilot and a flight engineer.
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Currently assigned as SR-71 project pilots at Dryden are Stephen D. Ishmael
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and Roger E. Smith. Flight engineers are Robert E. Meyer and Marta Bohn-
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Meyer. The Meyers are the first husband-wife team of aeronautical engineers
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on flight status at Dryden.
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Both pilot-engineer crews have trained for many hours in the SR-71 flight
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simulator at Dryden to become thoroughly acquainted with aircraft systems
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and operational procedures. The simulator is the same unit used by Air
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Force personnel at Beale AFB, Calif., before the SR-71s were retired from
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military service in 1990.
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As military aircraft, SR-71's had a crew of two -- a pilot and a
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reconnaissance systems officer.
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Mach 3 at Dryden
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Dryden has a decade of experience at sustained speeds above Mach 3.
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Two YF-12 aircraft were flown at the facility between December 1969 and
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November 1979 in a joint NASA/Air Force program to learn more about the
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capabilities and limitations of high speed, high altitude flight.
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The YF-12s were prototypes of a planned interceptor aircraft based on a
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design that later evolved into the SR-71 reconnaissance aircraft.
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Research information from the YF-12 program was used to validate analytical
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theories and wind tunnel test techniques to help improve the design and
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performance of future military and civil aircraft. The then-developing
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American supersonic transport project would have benefited greatly from
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YF-12 research data.
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The aircraft were a YF-12A (serial 935) and a YF-12C (serial 937). They
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logged a combined total of 242 flights during the program. A third aircraft,
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a YF-12A (serial 936), was flown by Air Force crews early in the program.
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It was lost because of an inflight fire in June 1971. The crew was not hurt.
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The YF-12s were used for a wide range of experiments and research. Among the
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areas investigated were aerodynamic loads, aerodynamic drag and skin
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friction, heat transfer, thermal stresses, airframe and propulsion system
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interactions, inlet control systems, high altitude turbulence, boundary layer
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flow, landing gear dynamics, measurement of engine effluents for pollution
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studies, noise measurements, and evaluation of a maintenance monitoring and
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recording system.
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On many YF-12 flights medical researchers obtained information on the
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physiological and biomedical aspects of crews flying at sustained high
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speeds.
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From February 1972 until July 1973, the YF-12A was used for heat loads testing
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in Dryden's High Temperature Loads Laboratory (now the Thermostructures
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Research Facility). The data helped improve theoretical prediction methods
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and computer models of that era dealing with structural loads, materials, and
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heat distribution at up to 800 degrees (F), the same surface temperatures
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reached during sustained speeds of Mach 3.
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SR-71 Specifications & Performance
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The SR-71 is a delta-wing aircraft designed and built by Lockheed. They
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are powered by two Pratt and Whitney J-58 axial-flow turbojets with
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afterburners, each producing 32,500 pounds of thrust.
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Speed of the aircraft is announced at Mach 3.2 -- more than 2000 mph. They
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have a range of more than 2000 miles and fly at altitudes of over 85,000 ft.
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As research platforms, the aircraft can cruise at Mach 3 for more than one
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hour. For thermal experiments, this can produce heat soak temperatures of
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more than 600 degrees (F).
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The aircraft are 107.4 feet long, have a wing span of 55.6 feet, and are
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18.5 feet high (ground to top of rudders when parked).
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Gross takeoff weight is about 140,000 pounds, including a fuel weight of
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80,000 pounds.
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The airframes are built almost entirely of titanium and titanium alloys to
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withstand heat generated by sustained Mach 3 flight.
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Aerodynamic control surfaces consist of all-moving vertical tail surfaces
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above each engine nacelle, ailerons on the outer wings, and elevators on
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the trailing edges between the engine exhaust nozzles.
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The three SR-71's at Dryden have been assigned the following NASA tail numbers:
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NASA 831 (B model), military serial 64-17956, manufactured in September 1965;
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NASA 832 (A model), military serial 64-17971, manufactured in October 1966;
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NASA 844 (A model), military serial 64-17980, manufactured in July 1967.
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Development History
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The SR-71 was designed by a team of Lockheed personnel led by Clarence
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"Kelly" Johnson, at that time vice president of the company's Advanced
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Development Projects. The Advanced Development Projects is commonly
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referred to as the "Skunk Works".
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The basic design of the SR-71 and YF-12 aircraft originated in secrecy in the
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late 1950s with the aircraft designation of A-11. Its existence was publicly
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announced by President Lyndon Johnson on Feb. 29, 1964, when he announced that
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an A-11 had flown at sustained speeds of over 2000 mph during tests at
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Edwards, Calif.
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Development of the SR-71's from the A-11 design, as strategic reconnaissance
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aircraft, began in February 1963. First flights of an SR-71 was on Dec. 22,
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1964.
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The YF-12's were experimental long-range interceptor versions of the same
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airframe and were first displayed publicly at Edwards on Sept. 30, 1964.
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-nasa-
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December 1991
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