Reaction Motors XLR-99 Rocket Nozzle no longer for sale
Rare X-15 Program Artifact
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Update: Sold
The Reaction Motors XLR-99 rocket engine nozzle sold for the buy it now price on eBay. The XLR-99 engine propelled the North American X-15 rocket plane in the 1960s. This is a museum piece that deserves a good home where it will be displayed to the public. It is 43 inches tall, 30 inches in diameter, and weighs about 200 pounds.
The XLR-99 was a 57,000-pound thrust rocket that could be throttled by the X-15 pilot.
XLR-99s powered the X-15s to speeds over 4,500 miles per hour and altitudes above 60 miles.
Liquid Oxygen and Anhydrous Ammonia fuel were circulated through the tubes surrounding the engine to cool the nozzle and preheat the propellants.
The nozzle is about 43 inches tall.
The nozzle is about 30 inches in diameter.
The nozzle weighs about 200 pounds.
Due to tolerances being out of spec, this particular nozzle was never incorporated into a complete engine.
This complete XLR-99 engine is displayed at the Air Force Flight Test Center Museum at Edwards Air Force Base.
The North American X-15-1 56-6670 is prepared for an early XLR-99 flight in 1961. NASA Photo e881302.
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