253:. The same day, the Neutron page on Rocket Lab's website was updated specifying the thrust of the nine Archimedes engines used on the first stage as 5,960 kN (1,340,000 lbf) at sea level and a maximum thrust of 7,530 kN (1,690,000 lbf) and the upper stage's single vacuum optimized Archimedes at 1,110 kN (250,000 lbf). It was expected to have its first hot-fire test during May 2024. In an interview published on the CNBC website, Beck stated that Archimedes would be manufactured in New Zealand and its very simple design had "all the things you want when you have to build an engine that can be reused over and over again."
1996:
1624:
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cycle change from the original gas generator was that they could not get the performance they needed through all the throttle points that a reusable rocket needs, without pushing the turbine temperature and other factors beyond their preset limits. By changing to the higher performing cycle but with lower performance requirements, they were able to lower temperatures and other stress factors and increase margins everywhere, making reusability more attainable.
2116:
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2126:
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Meanwhile, the vacuum optimized version would have a maximum thrust of 890 kN (200,000 lbf), a specific impulse of 367 s and the same throttling capabilities of 50% of maximum thrust. It was also implied, but not confirmed, that the engine would be built in the
Virginia, USA factory.
277:
Archimedes is presented as a highly reusable liquid-propellant engine using methane and liquid oxygen in an oxidizer-rich staged combustion cycle. There are both sea-level and vacuum variants. The engine is mostly 3D printed, with some of the biggest 3D printers in the world. The rationale for the
537:"With Senior Advisor to Californian Governor Gavin Newsom, Dee Dee Myers and Rocket Lab 's Peter Beck at Rocket Lab's Long Beach facility. Had a thorough discussion about more opportunities for business between New Zealand and California & how much better we are working together"
268:
for development testing. They expected to start preburner testing in that or the following quarter, hopefully starting full engine testing at
Stennis before the end of 2023, and hoped to be able to launch by mid 2025.
260:. The presentation stated that the sea level version would have a maximum thrust of 730 kN (160,000 lbf) with a specific impulse of 329 seconds and would be able to throttle to 50% of maximum thrust.
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In the
September 21st, 2022 Investor Day Presentation, the engine design had changed to an oxidizer-rich
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engine using liquid oxygen (LOX) and methane as propellant, a departure from the company's previous
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8:
2119:
2013:
1945:
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249:. He then stated that it had a thrust of 1 MN (220,000 lbf) and 320 seconds of
453:
2018:
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222:
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2025:
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482:"Neutron switches to methane/oxygen, 1 Meganewton Archimedes engine revealed"
323:
233:
Archimedes was presented on
December 2, 2021, in a webcast by Rocket Lab CEO
206:
202:
1295:
1262:
1921:* Different versions of the engine use different propellant combinations
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1982:
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1059:
1007:
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875:
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781:
758:
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690:
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1518:
1310:
1146:
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511:
1821:
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399:Rocket Lab 2022 Investor Day & Neutron Update
381:
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1953:
573:
417:
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2161:Rocket engines using the gas-generator cycle
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1960:
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580:
566:
455:Neutron Rocket - Major Development Update
479:
2156:Rocket engines using methane propellant
354:"2022 Inverstor Day and Neutron Update"
2143:
505:
217:. It is designed by aerospace company
1941:
561:
2125:
611:Comparison of orbital rocket engines
264:It was disclosed they would use the
266:Stennis Space Center A-3 Test stand
13:
2171:Space program of the United States
484:. NASA SpaceFlight. Archived from
14:
2182:
546:
2124:
2115:
2114:
1994:
1622:
288:
2166:Space programme of New Zealand
1967:
529:
506:Sheetz, Michael (2021-12-02).
480:Gebhardt, Chris (2021-12-02).
135:730 kN (165,000 lbf)
127:890 kN (200,000 lbf)
56:First- and second-stage engine
1:
1407:RD-0202 to 0206, 0208 to 0213
329:
319:Merlin (rocket engine family)
431:. 2021-12-02. Archived from
363:. 2022-09-21. Archived from
7:
281:
165:329 s (3.23 km/s)
154:365 s (3.58 km/s)
10:
2187:
309:Rutherford (rocket engine)
228:
2151:Rocket Lab rocket engines
2110:
2081:
2054:
2003:
1992:
1975:
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1250:
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639:
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619:
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553:Rocket Lab Neutron Rocket
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186:
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16:Liquid fuel rocket engine
1452:RD-250 to 252, 261, 262
258:staged combustion cycle
215:staged combustion cycle
1928:are under development
1316:YF-20, 21, 22, 24, 25
1095:RD-107, 108, 117, 118
314:Curie (rocket engine)
247:electrically pump fed
237:as a fully reusable,
508:"Neutron Rocket Lab"
425:"Neutron Rocket Lab"
213:in an oxidizer-rich
1417:RD-0216, 0217, 0235
1080:RD-0107, 0108, 0110
21:
304:Rocket Lab Neutron
296:Spaceflight portal
70:Liquid-fuel engine
19:
2138:
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2097:Venus Life Finder
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1987:
1935:
1934:
1877:Space Shuttle SRB
1618:
1617:
1556:
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968:
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458:(YouTube video).
402:(YouTube video).
193:
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132:Thrust, sea-level
100:staged combustion
25:Country of origin
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2010:Launch vehicles
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1393:along other LREs
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539:. 12 April 2024.
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514:. Archived from
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251:specific impulse
160:Specific impulse
149:Specific impulse
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1999:
1990:
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1913:
1634:
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1442:RD-0255 to 0257
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1412:RD-0207, 0214
1410:
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1391:Paektusan LRE
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1075:RD-0105, 0109
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593:solid motors
531:
520:. Retrieved
516:the original
501:
490:. Retrieved
486:the original
475:
464:. Retrieved
462:. 2021-12-02
454:
448:
437:. Retrieved
433:the original
419:
408:. Retrieved
406:. 2022-09-21
398:
372:. Retrieved
365:the original
276:
262:
255:
232:
195:
194:
45:Manufacturer
2130:WikiCommons
1924:Engines in
1571:RD-109, 119
1509:RD-864, 869
1494:RD-854, 861
1457:RD-253, 275
1105:RD-170, 171
245:, which is
200:liquid-fuel
162:, sea-level
119:Performance
53:Application
30:New Zealand
2145:Categories
2055:Facilities
2044:Archimedes
2039:Rutherford
1983:Peter Beck
1969:Rocket Lab
1311:YF-1, 2, 3
1259:Hypergolic
1231:Rutherford
950:Prometheus
912:Archimedes
522:2021-12-02
492:2021-12-02
466:2021-12-02
460:Rocket Lab
439:2021-12-02
429:Rocket Lab
410:2022-09-22
404:Rocket Lab
374:2022-09-22
361:Rocket Lab
330:References
243:Rutherford
235:Peter Beck
219:Rocket Lab
196:Archimedes
187:References
182:References
76:Propellant
48:Rocket Lab
39:Rocket Lab
20:Archimedes
1986:(founder)
1976:Personnel
1852:Castor 30
1732:Zefiro 40
1727:Zefiro 23
1668:SpaB-140C
1065:NK-33, 44
975:cryogenic
821:Methalox
640:Hydrolox
632:Cryogenic
2120:Category
2102:EscaPADE
2092:launches
2090:Electron
2082:Missions
2014:Electron
2004:Products
1867:Orbus-21
1722:Zefiro 9
1485:Ukraine
1263:Aerozine
1251:Storable
1143:Ukraine
1085:RD-0110R
982:Kerolox
282:See also
225:rocket.
221:for its
205:burning
151:, vacuum
35:Designer
2019:Neutron
1926:italics
1887:Star 48
1882:Star 37
1862:Orbus-6
1783:Israel
1717:Waxwing
1673:Europe
1665:SpaB-65
1567:Russia
1432:RD-0237
1427:RD-0236
1398:Russia
1377:Israel
1337:Europe
1181:Kestrel
1127:S1.5400
1090:RD-0124
1056:Russia
1049:SCE-200
945:Europe
938:RD-0169
933:Russia
859:Longyun
852:Lingyun
770:RD-0146
764:RD-0120
755:Russia
712:Vulcain
698:Europe
621:Liquid
597:orbital
229:History
223:Neutron
176:Neutron
170:Used in
143:50–100%
111:Chamber
2026:Photon
1842:AJ-60A
1807:KM-V2b
1798:Japan
1772:Salman
1738:India
1712:Topaze
1677:Mage 1
1642:China
1633:Solid
1540:TR-201
1504:RD-856
1499:RD-855
1489:RD-843
1479:S5.98M
1468:RD-270
1362:India
1356:Viking
1346:Astris
1341:Aestus
1331:YF-50D
1307:China
1216:RS-27A
1206:Merlin
1196:LR-105
1160:RD-810
1153:RD-801
1137:TEPREL
1133:Spain
1121:RD-193
1110:RD-180
1100:RD-120
1044:India
1037:Welkin
1030:YF-130
1024:YF-115
1019:YF-102
1014:YF-100
998:China
926:Aeon R
919:Aeon 1
906:Raptor
890:YF-215
883:YF-209
876:TQ-15A
840:China
733:Japan
722:CE-7.5
718:India
673:YF-75D
659:China
273:Design
61:Status
2034:Curie
1907:X-254
1902:X-248
1892:UA120
1872:Orion
1847:Algol
1832:SRB-A
1827:M-34c
1802:KM-V1
1792:RSA-3
1768:Iran
1702:P120C
1661:FG-47
1656:FG-46
1651:FG-36
1646:FG-02
1607:XLR81
1601:RS-88
1596:Curie
1586:Gamma
1561:Other
1545:XLR81
1534:RS-88
1529:LR-91
1524:LR-87
1474:S5.92
1402:17D61
1371:Vikas
1351:Vexin
1326:YF-40
1321:YF-23
1294:, or
1274:, or
1268:UH 25
1236:XLR50
1221:RS-56
1211:RS-27
1191:LR-89
1186:LR-79
1070:RD-58
1060:NK-15
1008:TH-12
1002:TH-11
973:Semi-
870:TQ-12
865:TQ-11
845:BF-20
810:RS-68
805:RS-25
782:BE-3U
727:CE-20
707:Vinci
691:YF-90
684:YF-79
678:YF-77
668:YF-75
663:YF-73
368:(PDF)
357:(PDF)
198:is a
95:Cycle
2073:(US)
2065:(NZ)
1897:SRMU
1822:M-34
1817:M-24
1812:M-14
1787:LK-1
1777:Rafe
1762:S200
1757:S139
1707:P230
1635:fuel
1519:AJ10
1381:LK-4
1276:UDMH
1226:S-3D
1147:RD-8
986:RP-1
957:M-10
901:BE-4
800:RL10
789:BE-7
748:LE-9
742:LE-7
737:LE-5
702:HM7B
623:fuel
595:for
591:and
512:CNBC
209:and
1857:GEM
1752:S12
1697:P80
1692:PAP
1687:P-6
1682:P-4
1582:UK
1366:PS4
1296:HNO
1292:MON
1272:MMH
1176:H-1
1171:F-1
990:LOX
832:LOX
795:J-2
651:LOX
80:LOX
2147::
1747:S9
1742:S7
1290:,
1279:/
1270:,
1265:,
988:/
830:/
825:CH
649:/
644:LH
510:.
427:.
383:^
359:.
337:^
85:CH
82:/
1961:e
1954:t
1947:v
1609:*
1603:*
1547:*
1536:*
1301:)
1298:3
1287:4
1285:O
1283:2
1281:N
1261:(
992:)
984:(
834:)
827:4
823:(
653:)
646:2
642:(
581:e
574:t
567:v
525:.
495:.
469:.
442:.
413:.
377:.
114:1
87:4
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