37:
180:
Certified 21 July 1944. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 251 lb (114 kg) with SR4L-8 or N-8 magnetos, 245 lb (111 kg) with N-20 or N-21
173:
Certified 27 July 1942. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 251 lb (114 kg) with SR4L-8 or N-8 magnetos, 245 lb (111 kg) with N-20 or N-21
223:
Certified 30 September 1954. 135 hp (101 kW) at 2600 rpm continuous, 140 hp (104 kW) at 2800 rpm for 5 minutes, 7.0:1 compression ratio, dry weight 236 lb (107 kg).
205:
Certified 13 December 1949. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 230 lb (104 kg).
217:
Certified 20 April 1953. 135 hp (101 kW) at 2600 rpm continuous, 140 hp (104 kW) at 2800 rpm for 5 minutes, 7.5:1 compression ratio, dry weight 236 lb (107 kg).
193:
Certified 22 January 1943. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 238 lb (108 kg).
187:
Certified 22 January 1943. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 247 lb (112 kg).
229:
Certified 8 May 1961. 135 hp (101 kW) at 2600 rpm continuous, 140 hp (104 kW) at 2800 rpm for 5 minutes, 7.0:1 compression ratio, dry weight 235 lb (107 kg).
211:
Certified 1 May 1952. 135 hp (101 kW) at 2600 rpm continuous, 140 hp (104 kW) at 2800 rpm for 5 minutes, 7.5:1 compression ratio, dry weight 233 lb (106 kg).
199:
Certified 21 July 1944. 125 hp (93 kW) at 2600 rpm continuous, 130 hp (97 kW) at 2800 rpm for 5 minutes, 6.5:1 compression ratio, dry weight 238 lb (108 kg).
1040:
1053:
724:
640:
1763:
1033:
1518:
685:
Operator's Manual, Textron
Lycoming Aircraft Engines, Series O-235 & O-290 60297-9, 4th Edition January 1988, Pages 2-2 & 2-4, Textron Lycoming.
1026:
1563:
1799:
167:
Base model engine certified 27 July 1942. 125 hp (93 kW) at 2450 rpm, 6.25:1 compression ratio, dry weight 244 lb (111 kg)
1768:
1583:
1598:
1488:
1558:
1548:
1049:
36:
1789:
1553:
717:
338:
1533:
1007:
792:
665:
636:
438:
1503:
710:
146:
A common variant of the type is the O-290-G, a single ignition model which was designed to drive a generator as part of a
1588:
992:
1578:
1373:
1096:
1091:
1018:
283:
1758:
1742:
1573:
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1593:
1433:
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589:
1528:
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1478:
1463:
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1413:
881:
554:
423:
244:
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137:
96:
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1147:
973:
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308:
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236:
147:
100:
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824:
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72:
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140:
50:
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328:
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120:
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954:
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560:
475:
133:
62:
17:
1722:
1704:
1699:
1636:
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1210:
1172:
949:
398:
348:
343:
1192:
1182:
965:
744:
468:
418:
408:
353:
333:
303:
235:
Non-certified, single ignition model intended for use driving a generator in a
1448:
1418:
1403:
1393:
931:
532:
518:
502:
403:
383:
927:
702:
1732:
1714:
1691:
1613:
1111:
1061:
899:
853:
523:
288:
143:. It was first run in 1939, and entered production three years later.
47:
1022:
706:
454:
Operator's Manual, Textron
Lycoming Aircraft Engines.
239:, 125 hp (93 kW). Has been widely used in
1731:
1713:
1690:
1612:
1364:
1191:
1138:
1110:
1060:
1000:
982:
963:
926:
898:
880:
848:
743:
666:"Van Grunsven RV-3 Prototype – Specifications"
1034:
718:
8:
1041:
1027:
1019:
1008:AlliedSignal Aerospace/Honeywell Aerospace
725:
711:
703:
641:"Type Certificate Data Sheet NO. E-229"
631:
629:
627:
625:
601:
623:
621:
619:
617:
615:
613:
611:
609:
607:
605:
26:
7:
1764:US military gas turbine aeroengines
698:. Wellingborough: Patrick Stephens.
553:140 hp (104 kW) at 2,800
696:World Encyclopedia of Aero Engines
339:Mustang Aeronautics Midget Mustang
25:
498:289 cu in (4.74 L)
35:
637:Federal Aviation Administration
664:EAA AirVenture Museum (2010).
439:Williams-Cangie WC-1 Sundancer
1:
1800:1930s aircraft piston engines
480:4.875 in (123.8 mm)
136:, four-cylinder, air-cooled,
1769:Piston engine configurations
489:3.875 in (98.4 mm)
110:1942–1975 out of production
507:264 lb (119.7 kg)
1816:
446:Specifications (O-290-D2A)
284:Adkisson SJ-1 Head Skinner
243:, including the prototype
1790:Lycoming aircraft engines
1751:
34:
29:
590:List of aircraft engines
272:Identical to the O-290-D
266:Identical to the O-290-C
260:Identical to the O-290-B
1735:W-configuration inline)
1064:H-configuration inline)
1052:piston aircraft engine
964:Aero-derivative marine
882:Aircraft diesel engines
459:General characteristics
1715:VG (inverted-V inline)
1140:L (single-bank inline)
1112:IV (inverted-V inline)
1050:United States military
745:Opposed piston engines
694:Gunston, Bill (1986).
565:0.48 hp/in (22.2 kW/L)
471:piston aircraft engine
467:4-cylinder air-cooled
1692:V (inverted-V inline)
359:Piper PA-18 Super Cub
93:Taylorcraft Auster IV
18:Avco Lycoming O-290-a
1614:V (upright-V inline)
469:horizontally opposed
429:Warner Revolution II
369:Piper PA-22 TriPacer
138:horizontally opposed
97:Taylorcraft Auster V
989:Pratt & Whitney
424:Van's Aircraft RV-3
324:Flying K Sky Raider
314:Falconar F11 Sporty
245:Van's Aircraft RV-3
1054:designation system
309:Chrislea Super Ace
294:Aero Commander 100
241:homebuilt aircraft
88:Major applications
1777:
1776:
1016:
1015:
983:Joint development
796:
570:Compression ratio
364:Piper PA-20 Pacer
334:Isaacs Fury Mk II
299:Aquaflight Aqua I
237:ground power unit
148:ground power unit
126:
125:
101:Ground Power Unit
16:(Redirected from
1807:
1043:
1036:
1029:
1020:
987:Avco (Lycoming)/
790:
737:aircraft engines
727:
720:
713:
704:
699:
686:
683:
677:
676:
674:
672:
661:
655:
654:
652:
650:
645:
633:
526:-actuated valves
434:Warner Sportster
414:VanGrunsven RV-1
394:Stolp Starduster
389:Smyth Sidewinder
374:Rogers Sportaire
117:
89:
73:Lycoming Engines
59:
39:
27:
21:
1815:
1814:
1810:
1809:
1808:
1806:
1805:
1804:
1780:
1779:
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1773:
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1734:
1727:
1709:
1686:
1608:
1360:
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1134:
1106:
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1017:
1012:
996:
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922:
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844:
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658:
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603:
598:
581:
547:
538:Cooling system:
514:
461:
448:
443:
279:
254:
252:Military models
161:
156:
141:aircraft engine
115:
99:
95:
87:
58:National origin
57:
51:aircraft engine
23:
22:
15:
12:
11:
5:
1813:
1811:
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1802:
1797:
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1772:
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1766:
1761:
1752:
1749:
1748:
1746:
1745:
1739:
1737:
1733:W (three-bank
1729:
1728:
1726:
1725:
1719:
1717:
1711:
1710:
1708:
1707:
1702:
1696:
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1521:
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1511:
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1501:
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1481:
1476:
1471:
1466:
1461:
1456:
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1426:
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1416:
1411:
1406:
1401:
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1318:
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1248:
1243:
1238:
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1197:
1195:
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1127:
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1105:
1104:
1099:
1094:
1089:
1084:
1079:
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1058:
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1046:
1045:
1038:
1031:
1023:
1014:
1013:
1011:
1010:
1004:
1002:
998:
997:
986:
984:
980:
979:
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947:
942:
936:
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902:
896:
895:
893:
892:
886:
884:
878:
877:
875:
874:
869:
864:
858:
856:
850:Radial engines
846:
845:
843:
842:
837:
832:
827:
822:
817:
812:
807:
802:
797:
793:O-360 variants
785:
780:
775:
770:
765:
760:
755:
749:
747:
741:
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732:
730:
729:
722:
715:
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688:
687:
678:
656:
600:
599:
597:
594:
593:
592:
580:
577:
576:
575:
566:
561:Specific power
557:
546:
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541:
535:
527:
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508:
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431:
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396:
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376:
371:
366:
361:
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351:
346:
341:
336:
331:
329:Grumman Kitten
326:
321:
319:Firestone XR-9
316:
311:
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178:
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171:
168:
165:
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157:
155:
152:
130:Lycoming O-290
124:
123:
121:Lycoming O-435
118:
116:Developed into
112:
111:
108:
104:
103:
90:
84:
83:
80:
76:
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66:
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60:
54:
53:
45:
41:
40:
32:
31:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1812:
1801:
1798:
1796:
1795:Boxer engines
1793:
1791:
1788:
1787:
1785:
1770:
1767:
1765:
1762:
1760:
1757:
1754:
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1597:
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1510:
1507:
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1497:
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1480:
1477:
1475:
1472:
1470:
1467:
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1452:
1450:
1447:
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1437:
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1427:
1425:
1422:
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1417:
1415:
1412:
1410:
1407:
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1402:
1400:
1397:
1395:
1392:
1390:
1387:
1385:
1382:
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1377:
1375:
1372:
1371:
1369:
1367:
1363:
1357:
1354:
1352:
1349:
1347:
1344:
1342:
1339:
1337:
1334:
1332:
1329:
1327:
1324:
1322:
1319:
1317:
1314:
1312:
1309:
1307:
1304:
1302:
1299:
1297:
1294:
1292:
1289:
1287:
1284:
1282:
1279:
1277:
1274:
1272:
1269:
1267:
1264:
1262:
1259:
1257:
1254:
1252:
1249:
1247:
1244:
1242:
1239:
1237:
1234:
1232:
1229:
1227:
1224:
1222:
1219:
1217:
1214:
1212:
1209:
1207:
1204:
1202:
1199:
1198:
1196:
1194:
1190:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1164:
1161:
1159:
1156:
1154:
1151:
1149:
1146:
1145:
1143:
1141:
1137:
1131:
1128:
1126:
1123:
1121:
1118:
1117:
1115:
1113:
1109:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1069:
1067:
1065:
1062:H (four-bank
1059:
1055:
1051:
1044:
1039:
1037:
1032:
1030:
1025:
1024:
1021:
1009:
1006:
1005:
1003:
999:
994:
990:
985:
981:
975:
972:
971:
969:
967:
962:
956:
953:
951:
948:
946:
945:LTS101/LTP101
943:
941:
938:
937:
935:
933:
929:
925:
919:
916:
914:
913:ALF 502/YF102
911:
909:
906:
905:
903:
901:
897:
891:
888:
887:
885:
883:
879:
873:
870:
868:
865:
863:
860:
859:
857:
855:
851:
847:
841:
838:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
794:
789:
786:
784:
781:
779:
776:
774:
771:
769:
766:
764:
761:
759:
756:
754:
751:
750:
748:
746:
742:
738:
735:
728:
723:
721:
716:
714:
709:
708:
705:
697:
692:
691:
682:
679:
667:
660:
657:
642:
639:(June 1963).
638:
632:
630:
628:
626:
624:
622:
620:
618:
616:
614:
612:
610:
608:
606:
602:
595:
591:
588:
587:
586:
585:
584:Related lists
578:
573:
571:
567:
564:
562:
558:
556:
552:
551:Power output:
549:
548:
544:
539:
536:
534:
531:
528:
525:
522:
520:
516:
515:
511:
506:
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497:
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415:
412:
410:
407:
405:
402:
400:
397:
395:
392:
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387:
385:
382:
380:
379:Sea Teziutlán
377:
375:
372:
370:
367:
365:
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360:
357:
355:
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142:
139:
135:
134:dual ignition
131:
122:
119:
114:
113:
109:
106:
105:
102:
98:
94:
91:
86:
85:
81:
78:
77:
74:
71:
69:Manufacturer
68:
67:
64:
63:United States
61:
56:
55:
52:
49:
46:
43:
42:
38:
33:
28:
19:
1755:
1275:
995:(Turboshaft)
966:gas turbines
772:
695:
681:
669:. Retrieved
659:
647:. Retrieved
583:
582:
568:
559:
550:
537:
530:Fuel system:
529:
517:
501:
494:Displacement
492:
483:
474:
464:
453:
450:
449:
399:Stout Skycar
349:Pazmany PL-2
344:Pazmany PL-1
277:Applications
159:Civil models
145:
129:
127:
1193:O (opposed)
932:Turboshafts
671:7 September
649:7 September
545:Performance
419:Van Lith VI
409:Toyo T-T.10
354:Piper PA-12
304:Aydlett A-1
1784:Categories
1705:V-1650 (L)
1667:V-1650 (P)
1389:R-370 (LB)
1366:R (radial)
928:Turboprops
596:References
540:Air-cooled
533:Carburetor
519:Valvetrain
512:Components
503:Dry weight
404:Thorp T-18
384:Seibel S-4
79:First run
1756:See also:
1419:R-540 (K)
1414:R-540 (W)
1394:R-370 (K)
1336:O-540 (L)
1331:O-540 (F)
1296:O-360 (L)
1291:O-360 (C)
1261:O-200 (F)
1256:O-200 (C)
900:Turbofans
854:H engines
451:Data from
226:O-290-D2C
220:O-290-D2B
214:O-290-D2A
181:magnetos.
174:magnetos.
107:Produced
1001:See also
993:T800-APW
734:Lycoming
579:See also
269:O-290-11
208:O-290-D2
196:O-290-CP
177:O-290-AP
154:Variants
1723:VG-1410
1604:XR-7755
1130:IV-2220
1125:IV-2040
1120:IV-1430
1097:XH-3730
1092:XH-3130
1087:XH-2600
1082:XH-2470
1077:XH-2240
940:AGT1500
890:DEL-120
872:XH-2470
867:XR-7755
825:GSO-580
820:TIO-541
524:Pushrod
289:Aerocar
263:O-290-3
257:O-290-1
232:O-290-G
202:O-290-D
190:O-290-C
184:O-290-B
170:O-290-A
1759:X-1800
1743:W-2779
1682:V-3420
1677:V-1950
1672:V-1710
1662:V-1570
1657:V-1560
1652:V-1510
1647:V-1460
1642:V-1440
1637:V-1400
1632:V-1237
1627:V-1150
1599:R-4360
1594:R-4090
1589:R-3350
1584:R-2800
1579:R-2600
1574:R-2180
1569:R-2160
1564:R-2060
1559:R-2000
1554:R-1860
1549:R-1830
1544:R-1820
1539:R-1750
1534:R-1690
1529:R-1670
1524:R-1640
1519:R-1535
1514:R-1510
1509:R-1454
1504:R-1340
1499:R-1300
1494:R-1044
1484:DR-980
1356:O-1230
1102:H-4070
1072:H-1640
918:LF 507
840:O-1230
835:IO-720
830:IO-580
800:IO-390
763:IO-233
485:Stroke
48:Piston
30:O-290
1700:V-770
1622:V-720
1489:R-985
1479:R-975
1474:R-915
1469:R-830
1464:R-790
1459:R-760
1454:R-755
1449:R-720
1444:R-680
1439:R-670
1434:R-600
1429:R-550
1424:R-545
1409:R-500
1404:R-440
1399:R-420
1384:R-270
1379:R-265
1374:R-250
1351:O-805
1346:O-580
1341:O-550
1326:O-520
1321:O-480
1316:O-470
1311:O-435
1306:O-425
1301:O-405
1286:O-335
1281:O-300
1276:O-290
1271:O-235
1266:O-205
1251:O-190
1246:O-180
1241:O-175
1236:O-170
1231:O-150
1226:O-145
1221:O-100
1183:L-825
1178:L-510
1173:L-440
1168:L-410
1163:L-390
1158:L-375
1153:L-365
1148:L-330
974:TF-40
862:R-680
815:O-540
810:O-480
805:O-435
788:O-360
783:O-340
778:O-320
773:O-290
768:O-235
758:O-233
753:O-145
644:(PDF)
574:7.5:1
465:Type:
164:O-290
132:is a
82:1939
44:Type
1216:O-90
1211:O-45
1206:O-40
1201:O-15
908:PLF1
852:and
673:2010
651:2010
476:Bore
128:The
955:T55
950:T53
555:rpm
1786::
991::
604:^
150:.
1042:e
1035:t
1028:v
930:/
795:)
791:(
726:e
719:t
712:v
675:.
653:.
572::
563::
521::
505::
496::
487::
478::
247:.
20:)
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