Trevor Brown
  • Member for 4 years, 5 months
  • Last seen more than 4 years ago
Reasons why liquid anhydrous ammonia fuel chosen for the X-15? Has it been used in other rocket engines?
8 votes

Chiming in as a long-time member of the NH3 Fuel Association. First, a small correction. "Cryogenic" refers to gases that liquefy below -150 degrees C. As you state, ammonia liquefies at -33 degrees ....

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