General Arrangement (X-15A-2) [Fig. 3-1, 3-2]

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Figure 3-1


  1. Movable Horizontal Stabilizer (2)
  2. Wing
  3. Upper Speed Brake
  4. Movable Upper Vertical Stabilizer
  5. Ammonia Tank (internal)
  6. 29-Inch Fuselage Extension
  7. Liquid Oxygen Tank
  8. APU Exhaust Pipe (2)
  9. Canopy
  10. Elliptical Window (2)
  11. Ejection Seat
  12. Astronaut-Pilot
  13. Main Instrument Panel
  14. Engine Timer
  15. Static Pitot Tube
  16. Ballistic Control System Rocket (8)
  17. Ball Nose
  18. Nose Gear
  19. Nose Gear Door
  20. Nose Gear Scoop Door
  21. Ram-Air Door (aft of nose gear door)
  22. Vane Antenna
  23. Radar Antenna
  24. Forward Support
  25. Vane Antenna
  26. External Canopy Emergency Jettison Handle Access Door
  27. Side Fairing (2)
  28. Left External Drop Tank (liquid oxygen)
  29. Right External Drop Tank (ammonia)
  30. External Tank Forward Attach Point and Ejector (2)
  31. External Tank Rocket Thruster (2)
  32. External Tank Attachment Fairing (2)
  33. External Tank Aft Attachment Point, Ejector and Sway Brace (2)
  34. Lower Speed Brake
  35. Main Landing Gear (2)
  36. Skylight Hatch
  37. Eyelid
  38. Retractable Pitot Tube





Figure 3-2


  1. XLR-99 Engine
  2. Engine Turbopump Exhaust Pipe
  3. Engine Drains
  4. Liquid Oxygen Prime Drain
  5. Liquid Oxygen Jettison Pipe
  6. APU and BCS Hydrogen Peroxide Jettison Pipe
  7. Ammonia Vent
  8. Ammonia Jettison Pipe
  9. Ammonia Prime Drain
  10. Engine Turbopump Hydrogen Peroxide Jettison Pipe
  11. Helium Tank
  12. Wing Flap (2)
  13. Ammonia Tank Filler
  14. External Tank Dump Valve (2) and Explosive Cartridges (4)
  15. Liquid Oxygen Vent
  16. Skylight Hatch
  17. Star Tracker Experiment Equipment
  18. Movable Lower Vertical Stabilizer (Jettisonable)
  19. Dummy Ramjet


Note: The liquid oxygen tank filler is on the topside of the wing fairing tunnel forward of the left wing root leading edge (not shown).