Knowledge (XXG)

Armstrong Siddeley Cheetah

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The basic design of the Cheetah remained unchanged from its introduction in 1935 to the last examples built in 1948. It was the first engine of its type to be certified for 1,200 hours of operational
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of the Lynx. Initially only direct-drive variants were produced with later engines being made available with propeller reduction gear of various
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345 hp (257 kW) at 2,425 rpm, Cheetah XV uprated to 475 hp (355 kW) at 2,700 rpm, modified constant-speed unit.
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introduced in 1935 and produced until 1948. Early variants of the Cheetah were initially known as the
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As of October 2008 at least four Cheetah engines remained airworthy. Two Cheetah 17s power the
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Preserved Armstrong Siddeley Cheetah engines are on public display at the following museums:
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were also available for later variants, both geared and directly driven by the
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magazine, 19 May 1939 - Introduction of the Cheetah X - Flightglobal.com
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The Cheetah was developed from the earlier Lynx using the increased
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385 hp (287 kW) at 2,425 rpm, carburettor modified for aerobatics.
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and another pair of Cheetah 17s are fitted to Avro Nineteen,
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345 hp (257 kW) at 2,425 rpm, geared version of Cheetah X.
1094:. Cambridge, England. Patrick Stephens Limited, 2006. 1038:. Cambridge, England. Patrick Stephens Limited, 1989. 1052:. Marlborough, Wiltshire: Airlife Publishing, 2003. 1338: 1307: 1276: 1160: 917:. Marlborough, UK: Airlife Publishing. p. 75. 280:
Similar to Mk X, adapted for target drone aircraft.
733:345 hp (257 kW) at 2,425 rpm at 7,875 ft (2,400 m) 593:Seven-cylinder single-row supercharged air-cooled 131:is a seven-cylinder British air-cooled aircraft 983:"Aviation Heritage Museum | Bull Creek, Perth" 872: 870: 1135: 8: 506:Aviation Heritage Museum (Western Australia) 146:The Cheetah was used to power many British 1142: 1128: 1120: 1392:Aircraft air-cooled radial piston engines 1050:British Piston Engines and their Aircraft 915:British Piston Engines and their Aircraft 1074:Jane's fighting aircraft of World War II 730:338 hp (252 kW) at 2,100 rpm for takeoff 558:, Adelaide. Two Mk9 Operational Displays 246:1936, as Mk VI but with Mk IX cylinders. 201:(TBO), with over 37,200 examples built. 866: 533:Albion Park, New South Wales, Australia 531:Historical Aircraft Restoration Society 31: 7: 27:1930s British piston aircraft engine 1397:Armstrong Siddeley aircraft engines 292:1948, 385 hp (287 kW) at 2,425 rpm. 268:1938, 375 hp (280 kW) at 2,300 rpm. 262:1937, 345 hp (257 kW) at 2,425 rpm. 240:1935, 307 hp (229 kW) at 2,425 rpm. 234:1935, 285 hp (212 kW) at 2,425 rpm. 228:1935, 270 hp (201 kW) at 2,100 rpm. 1092:Development of Piston Aero Engines 1036:World Encyclopedia of Aero Engines 501:Arkansas Air & Military Museum 25: 766:0.24–0.45 oz/hp/hr (9–17 g/kW/hr) 556:South Australian Aviation Museum 442:Marinens Flyvebaatfabrikk M.F.10 40: 1001:City of Norwich Aviation Museum 903:Cheetah variants start at Mk V. 833:Pratt & Whitney Wasp Junior 516:City of Norwich Aviation Museum 437:Marinens Flyvebaatfabrikk M.F.8 551:Royal Air Force Museum Cosford 546:South African Air Force Museum 432:Lancashire Aircraft Prospector 78:Armstrong Siddeley Motors Ltd. 1: 1387:1930s aircraft piston engines 664:-actuated valves per cylinder 392:Bristol Bulldog TM (type 124) 286:420 hp (313 kW) at 2,425 rpm. 18:Armstrong Siddeley Cheetah 27 571:Cheetah engine fitted to an 447:Percival Provost (prototype) 304:355 hp (265 kW) at 2,425 rpm 178:but the engine retained the 972:Retrieved: 15 February 2009 950:Retrieved: 15 February 2009 760:0.45 lb/hp/hr (271 g/kW/hr) 563:Specifications (Cheetah IX) 1413: 796:Armstrong Siddeley Panther 742:0.41 hp/cu in (18.83 kW/L) 484:but normally based at the 176:Armstrong Siddeley Panther 129:Armstrong Siddeley Cheetah 1072:Bridgman, L, ed. (1998). 756:Specific fuel consumption 520:Horsham St Faith, Norfolk 48: 39: 34: 850:List of aircraft engines 894:Lumsden 2003, pp.74-76. 791:Armstrong Siddeley Lynx 775:0.54 hp/lb (0.89 kW/kg) 585:General characteristics 486:Shuttleworth Collection 135:of 834 cu in (13.65 L) 120:Armstrong Siddeley Lynx 968:5 October 2015 at the 946:6 October 2015 at the 913:Lumsden, Alec (2003). 576: 575:undergoing restoration 402:de Havilland Hawk Moth 336: 322:1948, 385 hp (287 kW). 255: 222:1930, 230 hp (171 kW). 199:time between overhauls 166:Design and development 771:Power-to-weight ratio 570: 537:Malta Aviation Museum 334: 253: 828:Piaggio Stella P.VII 526:Fleet Air Arm Museum 422:Kingsford Smith PL.7 407:Handley Page H.P.R.2 1020:Lumsden 2003, p.75. 885:Gunston 1989, p.18. 876:Lumsden 2003, p.74. 785:Related development 623:834 cu in (13.65 L) 362:Airspeed Queen Wasp 254:Preserved Cheetah X 219:Lynx V (Lynx Major) 174:cylinders from the 1151:Armstrong Siddeley 802:Comparable engines 635:47.6 in (1,210 mm) 629:52.8 in (1,342 mm) 577: 492:Engines on display 397:CASA C-201 Alcotán 337: 256: 93:Major applications 1374: 1373: 1083:978-0-517-67964-7 747:Compression ratio 676:, 5.4:1 reduction 511:Brooklands Museum 474:Classic Air Force 387:Blackburn Lincock 125: 124: 16:(Redirected from 1404: 1144: 1137: 1130: 1121: 1087: 1021: 1018: 1012: 1011: 1009: 1007: 993: 987: 986: 979: 973: 957: 951: 935: 929: 928: 910: 904: 901: 895: 892: 886: 883: 877: 874: 764:Oil consumption: 605:5.25 in (133 mm) 472:operated by the 427:Koolhoven F.K.51 367:Airspeed Viceroy 347:Airspeed Courier 335:Avro 626 Prefect 316:385 hp (287 kW). 148:trainer aircraft 116: 106: 94: 66: 44: 32: 21: 1412: 1411: 1407: 1406: 1405: 1403: 1402: 1401: 1377: 1376: 1375: 1370: 1334: 1303: 1272: 1156: 1148: 1108: 1090:Gunston, Bill. 1084: 1071: 1068: 1066:Further reading 1063: 1048:Lumsden, Alec. 1034:Gunston, Bill. 1030: 1025: 1024: 1019: 1015: 1005: 1003: 995: 994: 990: 981: 980: 976: 970:Wayback Machine 960:CAA - G-INFO - 958: 954: 948:Wayback Machine 938:CAA - G-INFO - 936: 932: 925: 912: 911: 907: 902: 898: 893: 889: 884: 880: 875: 868: 863: 858: 813:Bristol Neptune 782: 727: 721: 703:Cooling system: 651: 644:637 lb (289 kg) 614:5.5 in (140 mm) 587: 573:Airspeed Oxford 565: 494: 466: 461: 357:Airspeed Oxford 342:Airspeed Consul 329: 207: 168: 160:Airspeed Oxford 114: 104: 98:Airspeed Oxford 92: 69:United Kingdom 65:National origin 64: 28: 23: 22: 15: 12: 11: 5: 1410: 1408: 1400: 1399: 1394: 1389: 1379: 1378: 1372: 1371: 1369: 1368: 1363: 1358: 1353: 1348: 1342: 1340: 1339:Rocket engines 1336: 1335: 1333: 1332: 1327: 1322: 1317: 1311: 1309: 1305: 1304: 1302: 1301: 1296: 1291: 1286: 1280: 1278: 1274: 1273: 1271: 1270: 1265: 1263:Tiger (Radial) 1260: 1255: 1250: 1245: 1240: 1235: 1230: 1225: 1220: 1215: 1210: 1205: 1200: 1195: 1190: 1185: 1180: 1175: 1170: 1164: 1162: 1161:Piston engines 1158: 1157: 1149: 1147: 1146: 1139: 1132: 1124: 1118: 1117: 1107: 1106:External links 1104: 1103: 1102: 1088: 1082: 1067: 1064: 1062: 1061: 1046: 1031: 1029: 1026: 1023: 1022: 1013: 997:"Engines List" 988: 974: 952: 930: 923: 905: 896: 887: 878: 865: 864: 862: 859: 857: 854: 853: 852: 841: 840: 835: 830: 825: 820: 818:Gnome-Rhône 7K 815: 810: 799: 798: 793: 781: 778: 777: 776: 767: 761: 752: 743: 738:Specific power 734: 731: 728: 720: 717: 716: 715: 710:Reduction gear 706: 700: 688: 683:Claudel-Hobson 677: 665: 650: 647: 646: 645: 636: 630: 624: 615: 606: 597: 586: 583: 564: 561: 560: 559: 553: 548: 544:branch of the 542:Port Elizabeth 539: 534: 528: 523: 513: 508: 503: 493: 490: 480:registered to 465: 462: 460: 459: 454: 449: 444: 439: 434: 429: 424: 419: 414: 409: 404: 399: 394: 389: 384: 379: 374: 369: 364: 359: 354: 352:Airspeed Envoy 349: 344: 338: 328: 325: 324: 323: 320: 317: 314: 311: 308: 305: 302: 299: 296: 293: 290: 287: 284: 281: 278: 275: 272: 269: 266: 263: 260: 248: 247: 244: 241: 238: 235: 232: 229: 226: 223: 220: 206: 203: 167: 164: 154:including the 123: 122: 117: 115:Developed from 111: 110: 107: 101: 100: 95: 89: 88: 85: 81: 80: 75: 71: 70: 67: 61: 60: 55: 51: 50: 46: 45: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1409: 1398: 1395: 1393: 1390: 1388: 1385: 1384: 1382: 1367: 1364: 1362: 1359: 1357: 1354: 1352: 1349: 1347: 1344: 1343: 1341: 1337: 1331: 1328: 1326: 1323: 1321: 1318: 1316: 1313: 1312: 1310: 1306: 1300: 1297: 1295: 1292: 1290: 1287: 1285: 1282: 1281: 1279: 1275: 1269: 1266: 1264: 1261: 1259: 1256: 1254: 1251: 1249: 1246: 1244: 1241: 1239: 1236: 1234: 1231: 1229: 1226: 1224: 1221: 1219: 1216: 1214: 1211: 1209: 1206: 1204: 1201: 1199: 1196: 1194: 1191: 1189: 1186: 1184: 1181: 1179: 1176: 1174: 1171: 1169: 1166: 1165: 1163: 1159: 1155: 1152: 1145: 1140: 1138: 1133: 1131: 1126: 1125: 1122: 1116: 1114: 1110: 1109: 1105: 1101: 1100:0-7509-4478-1 1097: 1093: 1089: 1085: 1079: 1075: 1070: 1069: 1065: 1059: 1058:1-85310-294-6 1055: 1051: 1047: 1045: 1044:1-85260-163-9 1041: 1037: 1033: 1032: 1027: 1017: 1014: 1002: 998: 992: 989: 984: 978: 975: 971: 967: 964: 963: 956: 953: 949: 945: 942: 941: 934: 931: 926: 924:1-85310-294-6 920: 916: 909: 906: 900: 897: 891: 888: 882: 879: 873: 871: 867: 860: 855: 851: 848: 847: 846: 845: 844:Related lists 839: 836: 834: 831: 829: 826: 824: 821: 819: 816: 814: 811: 809: 806: 805: 804: 803: 797: 794: 792: 789: 788: 787: 786: 779: 774: 772: 768: 765: 762: 759: 757: 753: 750: 748: 744: 741: 739: 735: 732: 729: 726: 725:Power output: 723: 722: 718: 713: 711: 707: 704: 701: 699: 696: 695:octane rating 692: 689: 687: 684: 681: 678: 675: 672: 670: 666: 663: 659: 657: 653: 652: 648: 643: 641: 637: 634: 631: 628: 625: 622: 620: 616: 613: 611: 607: 604: 602: 598: 596: 595:radial engine 592: 589: 588: 584: 582: 581: 574: 569: 562: 557: 554: 552: 549: 547: 543: 540: 538: 535: 532: 529: 527: 524: 521: 517: 514: 512: 509: 507: 504: 502: 499: 498: 497: 491: 489: 487: 483: 479: 475: 471: 463: 458: 455: 453: 450: 448: 445: 443: 440: 438: 435: 433: 430: 428: 425: 423: 420: 418: 415: 413: 412:Hispano HS-42 410: 408: 405: 403: 400: 398: 395: 393: 390: 388: 385: 383: 380: 378: 375: 373: 370: 368: 365: 363: 360: 358: 355: 353: 350: 348: 345: 343: 340: 339: 333: 326: 321: 318: 315: 312: 309: 306: 303: 300: 297: 295:Cheetah XVIII 294: 291: 288: 285: 282: 279: 276: 273: 270: 267: 264: 261: 258: 257: 252: 245: 242: 239: 236: 233: 230: 227: 224: 221: 218: 217: 216: 215: 211: 204: 202: 200: 195: 193: 189: 188:Superchargers 185: 181: 177: 173: 165: 163: 161: 157: 153: 149: 144: 142: 138: 134: 133:radial engine 130: 121: 118: 113: 112: 108: 103: 102: 99: 96: 91: 90: 86: 83: 82: 79: 76: 74:Manufacturer 73: 72: 68: 63: 62: 59: 58:Radial engine 56: 53: 52: 47: 43: 38: 33: 30: 19: 1320:Double Mamba 1227: 1213:Jaguar Major 1172: 1154:aero engines 1112: 1091: 1076:. Crescent. 1073: 1049: 1035: 1028:Bibliography 1016: 1004:. 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Index

Armstrong Siddeley Cheetah 27

Radial engine
Armstrong Siddeley Motors Ltd.
Airspeed Oxford
Armstrong Siddeley Lynx
radial engine
capacity
trainer aircraft
World War II
Avro Anson
Airspeed Oxford
bore
Armstrong Siddeley Panther
stroke
ratios
Superchargers
crankshaft
time between overhauls


Airspeed Consul
Airspeed Courier
Airspeed Envoy
Airspeed Oxford
Airspeed Queen Wasp
Airspeed Viceroy
Avro 626
Avro 652
Avro Anson

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