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engine using a tap-off cycle. According to Blue Origin, the cycle is particularly suited to human spaceflight due to its simplicity, with only one combustion chamber and a less stressful engine shutdown process. However, engine startup is more complicated, and due to the hot gas fed from the main
50:). Since fuel is exhausted, the tap-off cycle is considered an open-cycle engine. The cycle is comparable to a gas-generator cycle engine with turbines driven by main combustion chamber exhaust rather than a separate gas generator or preburner.
77:
combustion chamber into the turbopumps, the turbine must be built to withstand higher-than-normal temperatures. In contrast, the upper-stage variant of the BE-3, the
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464:
23:
Diagram of the open-cycle combustion tap-off rocket cycle. A small portion of exhaust from the combustion chamber is tapped off to power the turbine(s).
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rocket engine, a cancelled engine developed by NASA, used the combustion tap-off cycle and was first successfully tested in 1969.
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uses a tap-off cycle. It first flew in
September 2021 then made it to orbit on its second attempt in October 2022.
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38:. The cycle takes a small portion of hot exhaust gas from the rocket engine's
242:"Tour Firefly Aerospace's Factory and Test Site With Their CEO, Tom Markusic"
86:
43:
264:"Firefly Aerospace's maiden flight of Alpha launch vehicle ends in failure"
93:
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to power the turbopump, and will be used on the upper stage of the
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18:
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turbines to pump fuel before being exhausted (similar to the
175:"Altitude Developmental Testing of the J-2S Rocket Engine"
231:, Blue Origin, 10 August 2018, accessed 15 August 2018].
153:. American Institute of Aeronautics & Astronautics.
184:. Defense Technical Information Center. Archived from
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151:History of Liquid Propellant Rocket Engines
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1010:
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616:
477:
330:
316:
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292:"Firefly succeeds on second Alpha flight"
742:Atmosphere-breathing electric propulsion
1194:Homogeneous charge compression ignition
141:
7:
208:Aviation Week & Space Technology
182:Defense Technical Information Center
647:Field-emission electric propulsion
14:
721:Microwave electrothermal thruster
290:Trevor, Sesnic (1 October 2022).
68:launch vehicle, had successfully
993:
262:Neal, Mihir (2 September 2021).
149:Sutton, George (November 2005).
202:Norris, Guy (9 December 2013).
851:Pulsed nuclear thermal rocket‎
747:High Power Electric Propulsion
204:"Blue Origin Tests New Engine"
1:
706:Helicon double-layer thruster
675:Electrodeless plasma thruster
670:Magnetoplasmadynamic thruster
1099:Stirling (pseudo/adiabatic)
1370:
991:
665:Pulsed inductive thruster
16:Rocket engine power cycle
839:Nuclear pulse propulsion
598:Electric-pump-fed engine
498:Hybrid-propellant rocket
488:Liquid-propellant rocket
29:combustion tap-off cycle
1344:Rocket engines by cycle
895:Beam-powered propulsion
868:Fission-fragment rocket
823:Nuclear photonic rocket
791:Nuclear electric rocket
557:Staged combustion cycle
493:Solid-propellant rocket
125:Staged combustion cycle
946:Non-rocket spacelaunch
796:Nuclear thermal rocket
696:Pulsed plasma thruster
42:and routes it through
31:is a power cycle of a
24:
1349:Spacecraft propulsion
612:Electrical propulsion
339:Spacecraft propulsion
22:
1354:Thermodynamic cycles
1283:Regenerative cooling
1161:combustion / thermal
1060:Without phase change
1051:combustion / thermal
1041:Thermodynamic cycles
844:Antimatter-catalyzed
642:Hall-effect thruster
455:Solar thermal rocket
191:on January 16, 2017.
786:Direct Fusion Drive
701:Vacuum arc thruster
588:Pressure-fed engine
567:Gas-generator cycle
474:Chemical propulsion
411:Physical propulsion
130:Gas-generator cycle
115:Pressure-fed engine
48:gas-generator cycle
33:bipropellant rocket
1000:Spaceflight portal
966:Reactionless drive
931:Aerogravity assist
771:Nuclear propulsion
40:combustion chamber
25:
1321:
1320:
1298:Vapor-compression
1224:Staged combustion
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1152:
1118:With phase change
1007:
1006:
961:Atmospheric entry
916:Orbital mechanics
883:
882:
765:
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716:Resistojet rocket
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605:
581:Intake mechanisms
514:Liquid propellant
418:Cold gas thruster
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1293:Vapor absorption
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981:Alcubierre drive
971:Field propulsion
921:Orbital maneuver
909:Related concepts
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627:Colloid thruster
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380:Specific impulse
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229:BE-3 test update
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89:launch vehicle.
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658:Electromagnetic
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397:Rocket equation
363:Reaction engine
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297:NASASpaceFlight
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269:NASASpaceFlight
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160:978-1563476495
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572:Tap-off cycle
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541:Tripropellant
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460:Photon rocket
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450:Magnetic sail
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445:Electric sail
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368:Reaction mass
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358:Rocket engine
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98:Firefly Alpha
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70:flight-tested
67:
64:, with their
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51:
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37:
34:
30:
21:
1145:Regenerative
1074:Bell Coleman
998:
941:Space launch
873:Fission sail
801:Radioisotope
632:Ion thruster
571:
550:Power cycles
536:Bipropellant
428:Steam rocket
423:Water rocket
295:
285:
273:. Retrieved
267:
257:
245:. Retrieved
236:
224:
212:. Retrieved
207:
197:
186:the original
181:
169:
150:
144:
91:
59:
52:
28:
26:
1313:Ionocaloric
1308:Vuilleumier
1130:Hygroscopic
956:Aerocapture
951:Aerobraking
832:Open system
816:"Lightbulb"
757:Mass driver
507:Propellants
438:Diffractive
66:New Shepard
62:Blue Origin
1334:Combustion
1328:Categories
1278:Pulse tube
1250:Mixed/dual
976:Warp drive
806:Salt-water
524:Hypergolic
433:Solar sail
275:12 October
247:12 October
214:3 February
136:References
96:engine in
81:, uses an
1273:Kleemenko
1159:Internal
519:Cryogenic
87:New Glenn
60:By 2013,
44:turbopump
1240:Combined
1199:Humphrey
1184:Expander
1169:Atkinson
1104:Stoddard
1094:Stirling
1089:Ericsson
1049:External
811:Gas core
346:Concepts
210:. Penton
104:See also
94:Reaver 1
1303:Siemens
1219:Scuderi
1135:Rankine
900:Tethers
752:MagBeam
637:Gridded
392:Staging
385:Delta-v
1209:Miller
1204:Lenoir
1179:Diesel
1125:Kalina
1109:Manson
1084:Carnot
726:VASIMR
375:Thrust
353:Rocket
157:
36:engine
1233:Mixed
735:Other
481:State
189:(PDF)
178:(PDF)
79:BE-3U
1245:HEHC
1214:Otto
465:WINE
277:2021
249:2021
216:2016
155:ISBN
92:The
74:BE-3
72:the
55:J-2S
53:The
27:The
1330::
294:.
266:.
206:.
180:.
1141:)
1137:(
1066:)
1062:(
1033:e
1026:t
1019:v
331:e
324:t
317:v
300:.
279:.
251:.
218:.
163:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
