Knowledge (XXG)

YF-20

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While the basic engine was used multiple times, it was only used as a single engine for booster application. It is usually bundled into modules of multiple engines.
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propulsion module for second stages. New versions when used individually for booster applications are called
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cycle. It is a basic engine which when mounted in a four engine module forms the
1850: 1817: 1750: 1745: 1740: 942: 654: 519: 440: 439:: Upper stage version with enlarged nozzle are ratio. Flown originally on the 392: 369: 255: 71: 1885: 883: 26: 2346: 2341: 2261: 2246: 2231: 1935: 1639: 179: 2476:* Different versions of the engine use different propellant combinations 2441: 2266: 2241: 2236: 1996: 1991: 1986: 1981: 1976: 1971: 1966: 1961: 1905: 1681: 1644: 1634: 1629: 1603: 1492: 1379: 1324: 1318: 2396: 2130: 2125: 2094: 2063: 2058: 2053: 2048: 2043: 2033: 2022: 2016: 2011: 2006: 2001: 1945: 1895: 1770: 1714: 1707: 1691: 1675: 1669: 1664: 1659: 1654: 1649: 1584: 1578: 1568: 1444: 1437: 1276: 1227: 677:"Liquid Rocket Propellant Engines in the People's Republic of China" 755:
China's Space Program — From Conception to Manned Spaceflight
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The relevant modules for second stage application are:
757:. Springer Science & Business Media. p. 231. 609:: A module comprising an YF-22E and a YF-23E verniers. 603:: A module comprising an YF-22D and a YF-23D verniers. 597:: A module comprising an YF-22C and a YF-23C verniers. 591:: A module comprising an YF-22B and a YF-23B verniers. 585:: A module comprising an YF-22A and a YF-23A verniers. 511:
The relevant modules for first stage application are:
1089:
LM-3A Series Launch Vehicle User's Manual. Issue 2011
560:: A module comprising four YF-20E. Improved version. 554:: A module comprising four YF-20D. Improved version. 548:: A module comprising four YF-20C. Improved version. 532:: A module comprising four YF-20A. Improved version. 2186: 2115: 1812: 1805: 1536: 1527: 1375: 1194: 1185: 1174: 295: 290: 249: 241: 233: 228: 218: 210: 199: 188: 177: 169: 161: 156: 148: 140: 135: 125: 104: 97: 89: 64: 54: 46: 36: 1002:"Chapter 2 — General Description to LM-2E". 968:"Chapter 2 — General Description to LM-3B". 1081: 1079: 997: 995: 963: 961: 959: 908: 906: 904: 902: 900: 59:Academy of Aerospace Liquid Propulsion Technology 849: 847: 845: 843: 372:rocket and has been the main propulsion of the 789:"Asian space-rocket liquid-propellant engines" 341:. The high altitude variation is known as the 1128: 720:The Militarization and Weaponization of Space 8: 2513:Rocket engines using the gas-generator cycle 19: 941:. Encyclopedia Astronautica. Archived from 882:. Encyclopedia Astronautica. Archived from 681:History of Liquid Propellant Rocket Engines 653:. Encyclopedia Astronautica. Archived from 2508:Rocket engines using hypergolic propellant 1809: 1533: 1191: 1182: 1135: 1121: 1113: 645: 643: 443:second stage with no verniers, and on the 415:): Core engine, also used on the boosters. 25: 433:: Core engine, also used on the boosters. 427:: Core engine, also used on the boosters. 421:: Core engine, also used on the boosters. 368:The basic engine has been used since the 286:, boosters, first stage and second stage. 1086:"2.3 LM-3B and LM-3BE Launch Vehicles". 618: 391:: Core engine. Flown originally on the 66: 18: 1035:"Propulsion CZ-3, CZ-3A CZ-3B, CZ-3C" 675:Sutton, George Paul (November 2005). 571:: A module comprising an YF-22 and a 7: 1166:Comparison of orbital rocket engines 751:"Launch Centers Rockets and Engines" 224:±10° (when integrated on the YF-21B) 14: 2177: 1060:"Propulsion CZ-4A, CZ-4B, CZ-4C" 173:731.5 kN (164,400 lbf) 165:816.3 kN (183,500 lbf) 1005:LM-2E User's Manual. Issue 1999 971:LM-3B User's Manual. Issue 1999 915:"Propulsion CZ-2, CZ-2C, CZ-2D" 722:. Lexington Books. p. 90. 716:"Chinas Military Space Program" 447:with the YF-23 verniers as the 1: 1962:RD-0202 to 0206, 0208 to 0213 629:. Rocket and Space Technology 245:712.5 kg (1,571 lb) 184:7.1 MPa (1,030 psi) 575:vernier. First flown on the 345:is normally paired with the 206:259 seconds (2.54 km/s) 195:289 seconds (2.83 km/s) 714:Mowthorpe, Matthew (2004). 237:84 centimetres (33 in) 2529: 819:"YF rocket engine history" 2472: 2175: 1161: 254: 24: 491:: Booster stage version. 2503:Rocket engines of China 2007:RD-250 to 252, 261, 262 467:): Upper stage version. 749:Harvey, Brian (2004). 505: 485:: Upper stage version. 479:: Upper stage version. 473:: Upper stage version. 457:: Upper stage version. 2483:are under development 1871:YF-20, 21, 22, 24, 25 1650:RD-107, 108, 117, 118 1099:. 2011. pp. 2–16 503: 16:Chinese rocket engine 1972:RD-0216, 0217, 0235 1635:RD-0107, 0108, 0110 21: 506: 99:Liquid-fuel engine 2490: 2489: 2432:Space Shuttle SRB 2173: 2172: 2111: 2110: 1801: 1800: 1523: 1522: 1015:. 1999. p. 2 981:. 1999. p. 2 856:"Propulsion FB-1" 302: 301: 170:Thrust, sea-level 37:Country of origin 2520: 2181: 2180: 2017:RD-263, 268, 273 1948:along other LREs 1810: 1670:RD-191, 151, 181 1534: 1192: 1183: 1137: 1130: 1123: 1114: 1108: 1107: 1105: 1104: 1094: 1083: 1074: 1073: 1071: 1070: 1058:Norbert Bgügge. 1055: 1049: 1048: 1046: 1045: 1033:Norbert Bgügge. 1030: 1024: 1023: 1021: 1020: 1010: 999: 990: 989: 987: 986: 976: 965: 954: 953: 951: 950: 935: 929: 928: 926: 925: 913:Norbert Bgügge. 910: 895: 894: 892: 891: 876: 870: 869: 867: 866: 854:Norbert Bgügge. 851: 838: 837: 835: 834: 825:. Archived from 817:Norbert Bgügge. 814: 808: 807: 805: 804: 795:. Archived from 787:Norbert Bgügge. 784: 775: 774: 772: 771: 746: 740: 739: 737: 736: 711: 705: 704: 702: 701: 672: 666: 665: 663: 662: 647: 638: 637: 635: 634: 623: 258:first stage and 201:Specific impulse 190:Specific impulse 68: 29: 22: 2528: 2527: 2523: 2522: 2521: 2519: 2518: 2517: 2493: 2492: 2491: 2486: 2468: 2189: 2182: 2178: 2169: 2107: 1997:RD-0255 to 0257 1992:RD-0243 to 0245 1854: 1843: 1839: 1833: 1821: 1797: 1538: 1529: 1519: 1383: 1377: 1371: 1202: 1196: 1177: 1170: 1157: 1155:launch vehicles 1141: 1111: 1102: 1100: 1092: 1085: 1084: 1077: 1068: 1066: 1057: 1056: 1052: 1043: 1041: 1032: 1031: 1027: 1018: 1016: 1008: 1001: 1000: 993: 984: 982: 974: 967: 966: 957: 948: 946: 937: 936: 932: 923: 921: 912: 911: 898: 889: 887: 878: 877: 873: 864: 862: 853: 852: 841: 832: 830: 816: 815: 811: 802: 800: 786: 785: 778: 769: 767: 765: 748: 747: 743: 734: 732: 730: 713: 712: 708: 699: 697: 695: 687:. p. 873. 674: 673: 669: 660: 658: 649: 648: 641: 632: 630: 625: 624: 620: 616: 504:A YF-24B engine 498: 366: 327: 323: 116: 112: 32: 31:A YF-20K engine 17: 12: 11: 5: 2526: 2524: 2516: 2515: 2510: 2505: 2495: 2494: 2488: 2487: 2485: 2484: 2477: 2473: 2470: 2469: 2467: 2466: 2465: 2464: 2459: 2454: 2449: 2444: 2439: 2434: 2429: 2424: 2419: 2414: 2409: 2404: 2399: 2393:United States 2391: 2390: 2389: 2384: 2379: 2374: 2369: 2364: 2359: 2351: 2350: 2349: 2344: 2336: 2335: 2334: 2329: 2321: 2320: 2319: 2314: 2309: 2304: 2299: 2291: 2290: 2289: 2284: 2279: 2274: 2269: 2264: 2259: 2254: 2249: 2244: 2239: 2234: 2226: 2225: 2224: 2221: 2218: 2213: 2208: 2203: 2194: 2192: 2184: 2183: 2176: 2174: 2171: 2170: 2168: 2167: 2166: 2165: 2159: 2153: 2147:United States 2145: 2144: 2143: 2135: 2134: 2133: 2128: 2119: 2117: 2113: 2112: 2109: 2108: 2106: 2105: 2104: 2103: 2097: 2092: 2086: 2081: 2076: 2070:United States 2068: 2067: 2066: 2061: 2056: 2051: 2046: 2038: 2037: 2036: 2031: 2026: 2019: 2014: 2009: 2004: 1999: 1994: 1989: 1984: 1979: 1974: 1969: 1964: 1959: 1951: 1950: 1949: 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1225: 1220: 1211: 1209: 1200: 1189: 1180: 1172: 1171: 1169: 1168: 1162: 1159: 1158: 1144:Rocket engines 1142: 1140: 1139: 1132: 1125: 1117: 1110: 1109: 1075: 1050: 1025: 991: 955: 930: 896: 871: 839: 809: 776: 764:978-1852335663 763: 741: 729:978-0739107133 728: 706: 694:978-1563476495 693: 667: 639: 617: 615: 612: 611: 610: 604: 598: 592: 586: 580: 562: 561: 555: 549: 543: 533: 527: 497: 494: 493: 492: 486: 480: 474: 468: 458: 452: 434: 428: 422: 416: 406: 405:: Core engine. 400: 365: 362: 325: 321: 300: 299: 297: 293: 292: 288: 287: 252: 251: 247: 246: 243: 239: 238: 235: 231: 230: 226: 225: 222: 216: 215: 212: 208: 207: 204: 197: 196: 193: 186: 185: 182: 175: 174: 171: 167: 166: 163: 162:Thrust, vacuum 159: 158: 154: 153: 150: 146: 145: 142: 138: 137: 133: 132: 127: 123: 122: 114: 110: 106: 102: 101: 95: 94: 91: 87: 86: 69: 62: 61: 56: 52: 51: 48: 44: 43: 38: 34: 33: 30: 15: 13: 10: 9: 6: 4: 3: 2: 2525: 2514: 2511: 2509: 2506: 2504: 2501: 2500: 2498: 2482: 2478: 2475: 2474: 2471: 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Retrieved 627:"Long March" 621: 606: 600: 594: 588: 582: 568: 563: 557: 551: 545: 539: 535: 529: 515: 510: 507: 488: 482: 476: 470: 464: 460: 454: 448: 436: 430: 424: 418: 412: 408: 402: 388: 382:Long March 4 378:Long March 3 374:Long March 2 367: 357: 353: 352:to form the 342: 338: 305: 303: 272:Long March 3 220:Gimbal range 149:Nozzle ratio 84:Long March 4 80:Long March 3 76:Long March 2 47:First flight 2479:Engines in 2126:RD-109, 119 2064:RD-864, 869 2049:RD-854, 861 2012:RD-253, 275 1660:RD-170, 171 313:liquid-fuel 203:, sea-level 157:Performance 65:Associated 2497:Categories 1866:YF-1, 2, 3 1814:Hypergolic 1786:Rutherford 1505:Prometheus 1467:Archimedes 1103:2015-07-08 1069:2015-07-15 1044:2015-07-15 1019:2015-07-08 985:2015-07-08 949:2015-07-15 924:2015-07-15 890:2015-07-15 865:2015-07-15 833:2015-07-15 803:2015-07-15 770:2015-07-15 735:2015-07-15 700:2015-07-15 661:2015-07-15 633:2015-07-08 614:References 520:Feng Bao 1 441:Feng Bao 1 393:Feng Bao 1 384:families. 370:Feng Bao 1 296:References 291:References 256:Feng Bao 1 229:Dimensions 105:Propellant 72:Feng Bao 1 50:1995-06-01 2407:Castor 30 2287:Zefiro 40 2282:Zefiro 23 2223:SpaB-140C 1620:NK-33, 44 1530:cryogenic 1376:Methalox 1195:Hydrolox 1187:Cryogenic 1064:B14643.DE 1039:B14643.DE 919:B14643.DE 860:B14643.DE 823:B14643.DE 793:B14643.DE 211:Burn time 2422:Orbus-21 2277:Zefiro 9 2040:Ukraine 1818:Aerozine 1806:Storable 1698:Ukraine 1640:RD-0110R 1537:Kerolox 939:"YF-20A" 651:"YF-20B" 538:(a.k.a. 465:DaFY20-1 463:(a.k.a. 411:(a.k.a. 364:Versions 318:burning 242:Dry mass 234:Diameter 192:, vacuum 180:pressure 178:Chamber 55:Designer 2481:italics 2442:Star 48 2437:Star 37 2417:Orbus-6 2338:Israel 2272:Waxwing 2228:Europe 2220:SpaB-65 2122:Russia 1987:RD-0237 1982:RD-0236 1953:Russia 1932:Israel 1892:Europe 1736:Kestrel 1682:S1.5400 1645:RD-0124 1611:Russia 1604:SCE-200 1500:Europe 1493:RD-0169 1488:Russia 1414:Longyun 1407:Lingyun 1325:RD-0146 1319:RD-0120 1310:Russia 1267:Vulcain 1253:Europe 1176:Liquid 1152:orbital 880:"YF-20" 540:DaFY6-2 496:Modules 413:DaFY5-1 350:vernier 310:Chinese 250:Used in 141:Chamber 2397:AJ-60A 2362:KM-V2b 2353:Japan 2327:Salman 2293:India 2267:Topaze 2232:Mage 1 2197:China 2188:Solid 2095:TR-201 2059:RD-856 2054:RD-855 2044:RD-843 2034:S5.98M 2023:RD-270 1917:India 1911:Viking 1901:Astris 1896:Aestus 1886:YF-50D 1862:China 1771:RS-27A 1761:Merlin 1751:LR-105 1715:RD-810 1708:RD-801 1692:TEPREL 1688:Spain 1676:RD-193 1665:RD-180 1655:RD-120 1599:India 1592:Welkin 1585:YF-130 1579:YF-115 1574:YF-102 1569:YF-100 1553:China 1481:Aeon R 1474:Aeon 1 1461:Raptor 1445:YF-215 1438:YF-209 1431:TQ-15A 1395:China 1288:Japan 1277:CE-7.5 1273:India 1228:YF-75D 1214:China 761:  726:  691:  607:YF-24E 601:YF-24D 595:YF-24C 589:YF-24B 583:YF-24A 558:YF-21E 552:YF-21D 546:YF-21C 536:YF-21B 530:YF-21A 483:YF-22E 477:YF-22D 471:YF-22C 461:YF-22B 455:YF-22A 431:YF-20E 425:YF-20D 419:YF-20C 409:YF-20B 403:YF-20A 90:Status 2462:X-254 2457:X-248 2447:UA120 2427:Orion 2402:Algol 2387:SRB-A 2382:M-34c 2357:KM-V1 2347:RSA-3 2323:Iran 2216:FG-47 2211:FG-46 2206:FG-36 2201:FG-02 2162:XLR81 2156:RS-88 2151:Curie 2141:Gamma 2116:Other 2100:XLR81 2089:RS-88 2084:LR-91 2079:LR-87 2029:S5.92 1957:17D61 1926:Vikas 1906:Vexin 1881:YF-40 1876:YF-23 1849:, or 1829:, or 1823:UH 25 1791:XLR50 1776:RS-56 1766:RS-27 1746:LR-89 1741:LR-79 1625:RD-58 1615:NK-15 1563:TH-12 1557:TH-11 1528:Semi- 1425:TQ-12 1420:TQ-11 1400:BF-20 1365:RS-68 1360:RS-25 1337:BE-3U 1282:CE-20 1262:Vinci 1246:YF-90 1239:YF-79 1233:YF-77 1223:YF-75 1218:YF-73 1093:(PDF) 1009:(PDF) 975:(PDF) 573:YF-23 569:YF-24 516:YF-21 489:YF-25 449:YF-24 437:YF-22 389:YF-20 358:YF-25 354:YF-24 347:YF-23 343:YF-22 339:YF-21 333:in a 308:is a 306:YF-20 152:12.69 126:Cycle 41:China 20:YF-20 2452:SRMU 2377:M-34 2372:M-24 2367:M-14 2342:LK-1 2332:Rafe 2317:S200 2312:S139 2262:P230 2257:P120 2190:fuel 2074:AJ10 1936:LK-4 1831:UDMH 1781:S-3D 1702:RD-8 1541:RP-1 1512:M-10 1456:BE-4 1355:RL10 1344:BE-7 1303:LE-9 1297:LE-7 1292:LE-5 1257:HM7B 1178:fuel 1150:for 1146:and 1097:CASC 1013:CASC 979:CASC 759:ISBN 724:ISBN 689:ISBN 685:AIAA 522:and 395:and 380:and 331:UDMH 329:and 304:The 282:and 214:160s 120:UDMH 82:and 2412:GEM 2307:S12 2252:P80 2247:PAP 2242:P-6 2237:P-4 2137:UK 1921:PS4 1851:HNO 1847:MON 1827:MMH 1731:H-1 1726:F-1 1545:LOX 1387:LOX 1350:J-2 1206:LOX 2499:: 2302:S9 2297:S7 1845:, 1834:/ 1825:, 1820:, 1543:/ 1385:/ 1380:CH 1204:/ 1199:LH 1095:. 1078:^ 1062:. 1037:. 1011:. 994:^ 977:. 958:^ 917:. 899:^ 858:. 842:^ 821:. 791:. 779:^ 753:. 718:. 683:. 679:. 642:^ 376:, 360:. 278:, 274:, 270:, 266:, 262:, 118:/ 78:, 74:, 67:LV 2164:* 2158:* 2102:* 2091:* 1856:) 1853:3 1842:4 1840:O 1838:2 1836:N 1816:( 1547:) 1539:( 1389:) 1382:4 1378:( 1208:) 1201:2 1197:( 1136:e 1129:t 1122:v 1106:. 1072:. 1047:. 1022:. 988:. 952:. 927:. 893:. 868:. 836:. 806:. 773:. 738:. 703:. 664:. 636:. 579:. 526:. 451:. 399:. 326:4 324:O 322:2 320:N 144:1 115:4 113:O 111:2 109:N

Index


China
Academy of Aerospace Liquid Propulsion Technology
Feng Bao 1
Long March 2
Long March 3
Long March 4
Liquid-fuel engine
N2O4
UDMH
Gas Generator
pressure
Specific impulse
Specific impulse
Gimbal range
Feng Bao 1
Long March 2C
Long March 2D
Long March 2E
Long March 3
Long March 3A
Long March 3B
Long March 4A
Chinese
liquid-fuel
rocket engine
N2O4
UDMH
gas generator
YF-23

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