26:
169:
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
162:
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
212:
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).
194:
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).
206:
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).
182:
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).
176:
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).
218:
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).
200:
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).
188:
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).
1362:
1731:
1029:
629:
1630:
1042:
674:
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.
1194:
1113:
1412:
1209:
1156:
1640:
1620:
1472:
1204:
1090:
1645:
1635:
1372:
1166:
1151:
896:
1189:
1136:
962:
713:
156:
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)
1752:
1482:
1377:
1367:
1022:
1507:
1552:
1015:
1788:
654:
1757:
1572:
1587:
1477:
135:
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
1547:
1537:
1038:
1778:
1542:
706:
327:
1522:
1007:
996:
781:
625:
1492:
427:
699:
25:
1577:
981:
1567:
1085:
1080:
272:
1747:
1562:
1075:
1065:
1582:
1422:
1146:
578:
1517:
1502:
1487:
1783:
1467:
1452:
1447:
1402:
870:
543:
412:
233:
1655:
1557:
1532:
1527:
928:
347:
81:
417:
357:
126:
85:
8:
1108:
482:
312:
302:
1665:
1329:
1279:
977:
297:
282:
229:
1427:
1314:
1304:
1254:
1244:
1239:
1224:
558:
352:
287:
225:
136:
89:
1037:
1592:
1334:
1118:
1070:
906:
901:
878:
860:
855:
813:
808:
722:
422:
402:
382:
377:
362:
61:
367:
1610:
1344:
1128:
933:
828:
823:
818:
788:
751:
725:
473:
129:
39:
1670:
1660:
1650:
1512:
1497:
1432:
1339:
1324:
1319:
1309:
1299:
1294:
1289:
1284:
1274:
1269:
1259:
1249:
1234:
1229:
1219:
1214:
1141:
1060:
850:
803:
798:
793:
776:
771:
766:
756:
746:
741:
317:
307:
224:
Non-certified, single ignition model intended for use driving a generator in a
109:
1772:
1417:
1397:
1387:
1354:
943:
838:
549:
464:
122:
51:
691:
1711:
1693:
1688:
1625:
1615:
1462:
1457:
1442:
1199:
1161:
938:
387:
337:
332:
1181:
1171:
954:
733:
457:
407:
397:
342:
322:
292:
1437:
1407:
1392:
1382:
920:
521:
507:
491:
392:
372:
132:. It was first run in 1939, and entered production three years later.
916:
1721:
1703:
1680:
1602:
1100:
1050:
888:
842:
512:
277:
624:
36:
652:
443:
Operator's Manual, Textron
Lycoming Aircraft Engines.
228:, 125 hp (93 kW). Has been widely used in
1770:
655:"Van Grunsven RV-3 Prototype – Specifications"
1023:
721:
707:
434:
1030:
1016:
997:AlliedSignal Aerospace/Honeywell Aerospace
714:
700:
447:
682:
630:"Type Certificate Data Sheet NO. E-229"
620:
618:
616:
614:
1771:
612:
610:
608:
606:
604:
602:
600:
598:
596:
594:
1011:
695:
1753:US military gas turbine aeroengines
687:. Wellingborough: Patrick Stephens.
591:
542:140 hp (104 kW) at 2,800
13:
685:World Encyclopedia of Aero Engines
646:
328:Mustang Aeronautics Midget Mustang
240:
14:
1800:
487:289 cu in (4.74 L)
24:
626:Federal Aviation Administration
265:
147:
668:
653:EAA AirVenture Museum (2010).
533:
428:Williams-Cangie WC-1 Sundancer
1:
1789:1930s aircraft piston engines
584:
500:
469:4.875 in (123.8 mm)
125:, four-cylinder, air-cooled,
1758:Piston engine configurations
478:3.875 in (98.4 mm)
99:1942–1975 out of production
7:
567:
496:264 lb (119.7 kg)
142:
10:
1805:
435:Specifications (O-290-D2A)
273:Adkisson SJ-1 Head Skinner
232:, including the prototype
1779:Lycoming aircraft engines
1740:
1720:
1702:
1679:
1601:
1353:
1180:
1127:
1099:
1049:
989:
971:
952:
915:
887:
869:
837:
732:
23:
18:
579:List of aircraft engines
261:Identical to the O-290-D
255:Identical to the O-290-C
249:Identical to the O-290-B
1724:W-configuration inline)
1053:H-configuration inline)
1041:piston aircraft engine
953:Aero-derivative marine
871:Aircraft diesel engines
448:General characteristics
1704:VG (inverted-V inline)
1129:L (single-bank inline)
1101:IV (inverted-V inline)
1039:United States military
734:Opposed piston engines
683:Gunston, Bill (1986).
554:0.48 hp/in (22.2 kW/L)
460:piston aircraft engine
456:4-cylinder air-cooled
1681:V (inverted-V inline)
348:Piper PA-18 Super Cub
82:Taylorcraft Auster IV
1603:V (upright-V inline)
458:horizontally opposed
418:Warner Revolution II
358:Piper PA-22 TriPacer
127:horizontally opposed
86:Taylorcraft Auster V
978:Pratt & Whitney
413:Van's Aircraft RV-3
313:Flying K Sky Raider
303:Falconar F11 Sporty
234:Van's Aircraft RV-3
1043:designation system
298:Chrislea Super Ace
283:Aero Commander 100
230:homebuilt aircraft
77:Major applications
1766:
1765:
1005:
1004:
972:Joint development
785:
559:Compression ratio
353:Piper PA-20 Pacer
323:Isaacs Fury Mk II
288:Aquaflight Aqua I
226:ground power unit
137:ground power unit
115:
114:
90:Ground Power Unit
1796:
1032:
1025:
1018:
1009:
1008:
976:Avco (Lycoming)/
779:
726:aircraft engines
716:
709:
702:
693:
692:
688:
675:
672:
666:
665:
663:
661:
650:
644:
643:
641:
639:
634:
622:
515:-actuated valves
423:Warner Sportster
403:VanGrunsven RV-1
383:Stolp Starduster
378:Smyth Sidewinder
363:Rogers Sportaire
106:
78:
62:Lycoming Engines
48:
28:
16:
15:
1804:
1803:
1799:
1798:
1797:
1795:
1794:
1793:
1769:
1768:
1767:
1762:
1736:
1723:
1716:
1698:
1675:
1597:
1349:
1176:
1123:
1095:
1052:
1045:
1036:
1006:
1001:
985:
967:
948:
911:
883:
865:
833:
728:
720:
679:
678:
673:
669:
659:
657:
651:
647:
637:
635:
632:
623:
592:
587:
570:
536:
527:Cooling system:
503:
450:
437:
432:
268:
243:
241:Military models
150:
145:
130:aircraft engine
104:
88:
84:
76:
47:National origin
46:
40:aircraft engine
12:
11:
5:
1802:
1792:
1791:
1786:
1781:
1764:
1763:
1761:
1760:
1755:
1750:
1741:
1738:
1737:
1735:
1734:
1728:
1726:
1722:W (three-bank
1718:
1717:
1715:
1714:
1708:
1706:
1700:
1699:
1697:
1696:
1691:
1685:
1683:
1677:
1676:
1674:
1673:
1668:
1663:
1658:
1653:
1648:
1643:
1638:
1633:
1628:
1623:
1618:
1613:
1607:
1605:
1599:
1598:
1596:
1595:
1590:
1585:
1580:
1575:
1570:
1565:
1560:
1555:
1550:
1545:
1540:
1535:
1530:
1525:
1520:
1515:
1510:
1505:
1500:
1495:
1490:
1485:
1480:
1475:
1470:
1465:
1460:
1455:
1450:
1445:
1440:
1435:
1430:
1425:
1420:
1415:
1410:
1405:
1400:
1395:
1390:
1385:
1380:
1375:
1370:
1365:
1359:
1357:
1351:
1350:
1348:
1347:
1342:
1337:
1332:
1327:
1322:
1317:
1312:
1307:
1302:
1297:
1292:
1287:
1282:
1277:
1272:
1267:
1262:
1257:
1252:
1247:
1242:
1237:
1232:
1227:
1222:
1217:
1212:
1207:
1202:
1197:
1192:
1186:
1184:
1178:
1177:
1175:
1174:
1169:
1164:
1159:
1154:
1149:
1144:
1139:
1133:
1131:
1125:
1124:
1122:
1121:
1116:
1111:
1105:
1103:
1097:
1096:
1094:
1093:
1088:
1083:
1078:
1073:
1068:
1063:
1057:
1055:
1047:
1046:
1035:
1034:
1027:
1020:
1012:
1003:
1002:
1000:
999:
993:
991:
987:
986:
975:
973:
969:
968:
966:
965:
959:
957:
950:
949:
947:
946:
941:
936:
931:
925:
923:
913:
912:
910:
909:
904:
899:
893:
891:
885:
884:
882:
881:
875:
873:
867:
866:
864:
863:
858:
853:
847:
845:
839:Radial engines
835:
834:
832:
831:
826:
821:
816:
811:
806:
801:
796:
791:
786:
782:O-360 variants
774:
769:
764:
759:
754:
749:
744:
738:
736:
730:
729:
719:
718:
711:
704:
696:
690:
689:
677:
676:
667:
645:
589:
588:
586:
583:
582:
581:
569:
566:
565:
564:
555:
550:Specific power
546:
535:
532:
531:
530:
524:
516:
502:
499:
498:
497:
488:
479:
470:
461:
449:
446:
436:
433:
431:
430:
425:
420:
415:
410:
405:
400:
395:
390:
385:
380:
375:
370:
365:
360:
355:
350:
345:
340:
335:
330:
325:
320:
318:Grumman Kitten
315:
310:
308:Firestone XR-9
305:
300:
295:
290:
285:
280:
275:
269:
267:
264:
263:
262:
259:
256:
253:
250:
247:
242:
239:
238:
237:
222:
219:
216:
213:
210:
207:
204:
201:
198:
195:
192:
189:
186:
183:
180:
177:
174:
171:
167:
164:
160:
157:
154:
149:
146:
144:
141:
119:Lycoming O-290
113:
112:
110:Lycoming O-435
107:
105:Developed into
101:
100:
97:
93:
92:
79:
73:
72:
69:
65:
64:
59:
55:
54:
49:
43:
42:
34:
30:
29:
21:
20:
9:
6:
4:
3:
2:
1801:
1790:
1787:
1785:
1784:Boxer engines
1782:
1780:
1777:
1776:
1774:
1759:
1756:
1754:
1751:
1749:
1746:
1743:
1742:
1739:
1733:
1730:
1729:
1727:
1725:
1719:
1713:
1710:
1709:
1707:
1705:
1701:
1695:
1692:
1690:
1687:
1686:
1684:
1682:
1678:
1672:
1669:
1667:
1664:
1662:
1659:
1657:
1654:
1652:
1649:
1647:
1644:
1642:
1639:
1637:
1634:
1632:
1629:
1627:
1624:
1622:
1619:
1617:
1614:
1612:
1609:
1608:
1606:
1604:
1600:
1594:
1591:
1589:
1586:
1584:
1581:
1579:
1576:
1574:
1571:
1569:
1566:
1564:
1561:
1559:
1556:
1554:
1551:
1549:
1546:
1544:
1541:
1539:
1536:
1534:
1531:
1529:
1526:
1524:
1521:
1519:
1516:
1514:
1511:
1509:
1506:
1504:
1501:
1499:
1496:
1494:
1491:
1489:
1486:
1484:
1481:
1479:
1476:
1474:
1471:
1469:
1466:
1464:
1461:
1459:
1456:
1454:
1451:
1449:
1446:
1444:
1441:
1439:
1436:
1434:
1431:
1429:
1426:
1424:
1421:
1419:
1416:
1414:
1411:
1409:
1406:
1404:
1401:
1399:
1396:
1394:
1391:
1389:
1386:
1384:
1381:
1379:
1376:
1374:
1371:
1369:
1366:
1364:
1361:
1360:
1358:
1356:
1352:
1346:
1343:
1341:
1338:
1336:
1333:
1331:
1328:
1326:
1323:
1321:
1318:
1316:
1313:
1311:
1308:
1306:
1303:
1301:
1298:
1296:
1293:
1291:
1288:
1286:
1283:
1281:
1278:
1276:
1273:
1271:
1268:
1266:
1263:
1261:
1258:
1256:
1253:
1251:
1248:
1246:
1243:
1241:
1238:
1236:
1233:
1231:
1228:
1226:
1223:
1221:
1218:
1216:
1213:
1211:
1208:
1206:
1203:
1201:
1198:
1196:
1193:
1191:
1188:
1187:
1185:
1183:
1179:
1173:
1170:
1168:
1165:
1163:
1160:
1158:
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1138:
1135:
1134:
1132:
1130:
1126:
1120:
1117:
1115:
1112:
1110:
1107:
1106:
1104:
1102:
1098:
1092:
1089:
1087:
1084:
1082:
1079:
1077:
1074:
1072:
1069:
1067:
1064:
1062:
1059:
1058:
1056:
1054:
1051:H (four-bank
1048:
1044:
1040:
1033:
1028:
1026:
1021:
1019:
1014:
1013:
1010:
998:
995:
994:
992:
988:
983:
979:
974:
970:
964:
961:
960:
958:
956:
951:
945:
942:
940:
937:
935:
934:LTS101/LTP101
932:
930:
927:
926:
924:
922:
918:
914:
908:
905:
903:
902:ALF 502/YF102
900:
898:
895:
894:
892:
890:
886:
880:
877:
876:
874:
872:
868:
862:
859:
857:
854:
852:
849:
848:
846:
844:
840:
836:
830:
827:
825:
822:
820:
817:
815:
812:
810:
807:
805:
802:
800:
797:
795:
792:
790:
787:
783:
778:
775:
773:
770:
768:
765:
763:
760:
758:
755:
753:
750:
748:
745:
743:
740:
739:
737:
735:
731:
727:
724:
717:
712:
710:
705:
703:
698:
697:
694:
686:
681:
680:
671:
656:
649:
631:
628:(June 1963).
627:
621:
619:
617:
615:
613:
611:
609:
607:
605:
603:
601:
599:
597:
595:
590:
580:
577:
576:
575:
574:
573:Related lists
562:
560:
556:
553:
551:
547:
545:
541:
540:Power output:
538:
537:
528:
525:
523:
520:
517:
514:
511:
509:
505:
504:
495:
493:
489:
486:
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480:
477:
475:
471:
468:
466:
462:
459:
455:
452:
451:
445:
444:
441:
429:
426:
424:
421:
419:
416:
414:
411:
409:
406:
404:
401:
399:
396:
394:
391:
389:
386:
384:
381:
379:
376:
374:
371:
369:
368:Sea Teziutlán
366:
364:
361:
359:
356:
354:
351:
349:
346:
344:
341:
339:
336:
334:
331:
329:
326:
324:
321:
319:
316:
314:
311:
309:
306:
304:
301:
299:
296:
294:
291:
289:
286:
284:
281:
279:
276:
274:
271:
270:
260:
257:
254:
251:
248:
245:
244:
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231:
227:
223:
220:
217:
214:
211:
208:
205:
202:
199:
196:
193:
190:
187:
184:
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178:
175:
172:
168:
165:
161:
158:
155:
152:
151:
140:
138:
133:
131:
128:
124:
123:dual ignition
120:
111:
108:
103:
102:
98:
95:
94:
91:
87:
83:
80:
75:
74:
70:
67:
66:
63:
60:
58:Manufacturer
57:
56:
53:
52:United States
50:
45:
44:
41:
38:
35:
32:
31:
27:
22:
17:
1744:
1264:
984:(Turboshaft)
955:gas turbines
761:
684:
670:
658:. Retrieved
648:
636:. Retrieved
572:
571:
557:
548:
539:
526:
519:Fuel system:
518:
506:
490:
483:Displacement
481:
472:
463:
453:
442:
439:
438:
388:Stout Skycar
338:Pazmany PL-2
333:Pazmany PL-1
266:Applications
148:Civil models
134:
118:
116:
1182:O (opposed)
921:Turboshafts
660:7 September
638:7 September
534:Performance
408:Van Lith VI
398:Toyo T-T.10
343:Piper PA-12
293:Aydlett A-1
1773:Categories
1694:V-1650 (L)
1656:V-1650 (P)
1378:R-370 (LB)
1355:R (radial)
917:Turboprops
585:References
529:Air-cooled
522:Carburetor
508:Valvetrain
501:Components
492:Dry weight
393:Thorp T-18
373:Seibel S-4
68:First run
1745:See also:
1408:R-540 (K)
1403:R-540 (W)
1383:R-370 (K)
1325:O-540 (L)
1320:O-540 (F)
1285:O-360 (L)
1280:O-360 (C)
1250:O-200 (F)
1245:O-200 (C)
889:Turbofans
843:H engines
440:Data from
215:O-290-D2C
209:O-290-D2B
203:O-290-D2A
170:magnetos.
163:magnetos.
96:Produced
990:See also
982:T800-APW
723:Lycoming
568:See also
258:O-290-11
197:O-290-D2
185:O-290-CP
166:O-290-AP
143:Variants
1712:VG-1410
1593:XR-7755
1119:IV-2220
1114:IV-2040
1109:IV-1430
1086:XH-3730
1081:XH-3130
1076:XH-2600
1071:XH-2470
1066:XH-2240
929:AGT1500
879:DEL-120
861:XH-2470
856:XR-7755
814:GSO-580
809:TIO-541
513:Pushrod
278:Aerocar
252:O-290-3
246:O-290-1
221:O-290-G
191:O-290-D
179:O-290-C
173:O-290-B
159:O-290-A
1748:X-1800
1732:W-2779
1671:V-3420
1666:V-1950
1661:V-1710
1651:V-1570
1646:V-1560
1641:V-1510
1636:V-1460
1631:V-1440
1626:V-1400
1621:V-1237
1616:V-1150
1588:R-4360
1583:R-4090
1578:R-3350
1573:R-2800
1568:R-2600
1563:R-2180
1558:R-2160
1553:R-2060
1548:R-2000
1543:R-1860
1538:R-1830
1533:R-1820
1528:R-1750
1523:R-1690
1518:R-1670
1513:R-1640
1508:R-1535
1503:R-1510
1498:R-1454
1493:R-1340
1488:R-1300
1483:R-1044
1473:DR-980
1345:O-1230
1091:H-4070
1061:H-1640
907:LF 507
829:O-1230
824:IO-720
819:IO-580
789:IO-390
752:IO-233
474:Stroke
37:Piston
19:O-290
1689:V-770
1611:V-720
1478:R-985
1468:R-975
1463:R-915
1458:R-830
1453:R-790
1448:R-760
1443:R-755
1438:R-720
1433:R-680
1428:R-670
1423:R-600
1418:R-550
1413:R-545
1398:R-500
1393:R-440
1388:R-420
1373:R-270
1368:R-265
1363:R-250
1340:O-805
1335:O-580
1330:O-550
1315:O-520
1310:O-480
1305:O-470
1300:O-435
1295:O-425
1290:O-405
1275:O-335
1270:O-300
1265:O-290
1260:O-235
1255:O-205
1240:O-190
1235:O-180
1230:O-175
1225:O-170
1220:O-150
1215:O-145
1210:O-100
1172:L-825
1167:L-510
1162:L-440
1157:L-410
1152:L-390
1147:L-375
1142:L-365
1137:L-330
963:TF-40
851:R-680
804:O-540
799:O-480
794:O-435
777:O-360
772:O-340
767:O-320
762:O-290
757:O-235
747:O-233
742:O-145
633:(PDF)
563:7.5:1
454:Type:
153:O-290
121:is a
71:1939
33:Type
1205:O-90
1200:O-45
1195:O-40
1190:O-15
897:PLF1
841:and
662:2010
640:2010
465:Bore
117:The
944:T55
939:T53
544:rpm
1775::
980::
593:^
139:.
1031:e
1024:t
1017:v
919:/
784:)
780:(
715:e
708:t
701:v
664:.
642:.
561::
552::
510::
494::
485::
476::
467::
236:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
