Reaction Motors XLR11
E95173
The Reaction Motors XLR11 was an early liquid-fueled rocket engine used in pioneering U.S. experimental aircraft, notably enabling the Bell X-1 to break the sound barrier.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
liquid-fueled rocket engine
→
|
| application |
experimental research aircraft
→
supersonic flight research → |
| combustionCycle |
pressure-fed cycle
→
|
| coolingMethod |
regenerative cooling
→
|
| countryOfOrigin |
United States
→
|
| designFeature |
four independently selectable chambers
→
|
| developmentPurpose |
high-speed high-altitude research
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|
| era |
1940s
→
1950s → |
| firstSupersonicAircraftPowered |
Bell X-1
NERFINISHED
→
|
| fuel |
alcohol
→
ethyl alcohol → |
| fuelFeedSystem |
pressurized tanks
→
|
| ignitionSystem |
pyrotechnic ignition
→
|
| manufacturer |
Reaction Motors Inc.
→
|
| museumDisplay |
examples displayed at the Smithsonian National Air and Space Museum
→
examples displayed at various aviation museums in the United States → |
| notableAchievement |
powered Bell X-1 past the speed of sound in level flight
→
|
| notableFlight |
Bell X-1 flight on 14 October 1947
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|
| numberOfCombustionChambers |
4
→
|
| oxidizer |
liquid oxygen
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|
| pilotAssociated |
Chuck Yeager
→
|
| program |
U.S. X-plane program
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|
| propellantType |
liquid propellant
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|
| propulsionType |
rocket propulsion
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|
| status |
retired
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|
| successor |
Reaction Motors XLR99
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|
| throttleCapability |
stepwise by chamber selection
→
|
| thrustVacuum |
about 27 kilonewtons
→
about 6,000 pounds-force → |
| usedByAgency |
NACA
→
U.S. Air Force NERFINISHED → U.S. Navy NERFINISHED → |
| usedForRecord |
early altitude and speed records in U.S. X-plane program
→
|
| usedInVehicle |
Bell X-1
→
Bell X-1A NERFINISHED → Bell X-1B NERFINISHED → Bell X-1E NERFINISHED → Bell X-5 (test use) → Douglas D-558-2 Skyrocket NERFINISHED → Northrop X-4 Bantam (testbed use) → early X-15 test flights (as interim engine) → |
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Bell X-1
→
|
engineModel |