37:
203:
limit. The even more powerful R-760E-2 of 1935 could reach 350 hp (261 kW) for takeoff due to increased supercharging and an even higher RPM limit. On the other hand, the R-760E-T, designed for trainer aircraft, had the R-760E-1's high-compression pistons, but the supercharger was removed,
190:
Over time, Wright refined the R-760, using suffix letters to indicate successive versions. The original R-760 (or J-6-7) was rated for 225 hp (168 kW), while the R-760E of 1931 could do 250 hp (186 kW) thanks to an improved
195:
design. Wright later added another suffix to show different power levels. The R-760E-1, introduced the same year as the R-760E, had a takeoff power rating of 300 hp (224 kW) thanks to
231:. The last of these was produced in large numbers, with most of the engines built under license by the Naval Aircraft Factory. Trainers usually had the unsupercharged R-760E-T engine.
2084:
2453:
1751:
1311:
2352:
1052:. This personal collection of museum aircraft engine photos includes a photo of the museum's R-760E-2 under the section for the Evergreen Aviation Museum.
1764:
307:: 320 hp (239 kW) at 2,200 RPM, 350 hp (261 kW) at 2,400 RPM for takeoff. Increased supercharging, slightly higher compression ratio.
2505:
1916:
1835:
1255:
1237:
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Production of the R-760 continued until 1945, with about 1400 examples being built by Wright, and more under licence by foreign manufacturers such as
2134:
1931:
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2342:
2194:
1926:
1812:
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The R-760 was a direct replacement for the R-790, with similar displacement and power. The U.S. Navy used it as the powerplant for several biplane
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series. The J-6 family included varieties with five, seven, and nine cylinders. The seven-cylinder version was originally known as the
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1134:
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988:. Transcribed from Wright Aeronautical documents by Robert J. Neal T; available from the Aircraft Engine Historical Society's
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301:: 285 hp (213 kW) at 2,100 RPM, 300 hp (224 kW) at 2,250 RPM for takeoff. Higher compression ratio.
1088:
1075:
378:
179:
was expanded to 5.0 in (12.7 cm) from the R-790's bore of 4.5 in (11.4 cm). While the R-790 was
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73:
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Like all the members of the J-6 Whirlwind family, the R-760 had larger cylinders than the R-790. The piston
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313:: 235 hp (175 kW) at 2,000 RPM. Naturally aspirated version of R-760E-1 for trainer aircraft.
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Wright R-760 engines on display are uncommon, but there is an R-760E-2 exhibited at the
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2001:
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213:
44:
Female mechanic working on the R-760 engine of a U.S. Navy N3N trainer in
October 1942
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of 756 in³ (12.4 L) and power ratings of 225-350 hp (168-261 kW).
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320 hp (239 kW) at 2,200 RPM at sea level; 350 hp (261 kW) at 2,400 RPM for takeoff
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295:: 250 hp (186 kW) at 2,000 RPM. Higher power from improved cylinder head.
235:
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266:. These aircraft generally used the various supercharged versions of the R-760.
152:
Wright introduced the J-6 Whirlwind family in 1928 to replace the nine-cylinder
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327:: 235 hp (175 kW) at 2,000 RPM. U.S. Navy versions of R-760E-T.
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data sheet for the R-760E-2; dimensions from
Curtiss-Wright (1983).
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403:
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274:
243:
175:
of 5.5 in (14.0 cm) was unchanged, but the cylinder
168:; Wright later adopted this and dropped the J-6 nomenclature.
183:, the R-760, like the other J-6 engines, had a gear-driven
1158:. Available from the Aircraft Engine Historical Society's
1122:. Available from the Aircraft Engine Historical Society's
448:
1319:
466:
7-cylinder supercharged air-cooled radial piston engine
1070:. Cambridge, England. Patrick Stephens Limited, 1989.
1174:
164:
for short. The U.S. government designated it as the
414:
Waco CUC, DQC-6, EQC-6, DGC-7 & 8, EGC-7 & 8
2492:
974:Summary of Wright Engine Shipments: 1920 to 1963
238:also used the R-760, including models built by
1129:
1093:
1745:
1305:
1106:, pp. 11, 13, 14, 16, 17, archived from
616:Specifications for different R-760 variants
440:
204:thus giving just 235 hp (175 kW).
1752:
1738:
1312:
1298:
1173:data sheets, all available from the FAA's
1136:Historical Engine Summary (Beginning 1930)
944:
942:
457:
125:was a series of seven-cylinder air-cooled
2506:Aircraft air-cooled radial piston engines
916:
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289:: 225 hp (168 kW) at 2,000 RPM.
147:
1081:Jane's Fighting Aircraft of World War II
958:
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363:Curtiss-Wright CW-A-14D Sportsman Deluxe
1020:AEHS List: Engines in Museums Worldwide
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14:
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1279:Engine Data Sheets: US Aero Engines —
962:FAA Type Certificate Data Sheet TC 126
936:FAA Type Certificate Data Sheet TC 155
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882:FAA Type Certificate Data Sheet ATC 26
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715:235 hp (175 kW) at 2,000 RPM
695:350 hp (261 kW) at 2,400 RPM
692:320 hp (239 kW) at 2,200 RPM
672:300 hp (224 kW) at 2,250 RPM
669:285 hp (213 kW) at 2,100 RPM
647:250 hp (186 kW) at 2,000 RPM
207:
1733:
1293:
1083:. London. Studio Editions Ltd, 1989.
951:
908:FAA Type Certificate Data Sheet TC 94
431:Evergreen Aviation & Space Museum
424:
1008:FAA Type Certificate Data Sheet 5E-6
923:
871:
409:Waco CJC, CJC-S, DJC, DJC-S, and DJS
2475:US military gas turbine aeroengines
897:
831:
24:
1239:Type Certificate Data Sheet TC 126
1221:Type Certificate Data Sheet TC 155
1185:Type Certificate Data Sheet ATC 26
1068:World Encyclopedia of Aero Engines
25:
2522:
1273:
1203:Type Certificate Data Sheet TC 94
1100:Wright Engines - Past and Present
379:Naval Aircraft Factory N3N Canary
1257:Type Certificate Data Sheet 5E-6
35:
1175:Regulatory and Guidance Library
1168:Federal Aviation Administration
1059:
1033:
1011:
1002:
965:
389:Stearman C3R Business Speedster
331:
97:Various civil utility aircraft
74:Wright Aeronautical Corporation
810:
575:
13:
1:
2501:1920s aircraft piston engines
798:
518:
2480:Piston engine configurations
948:Curtiss-Wright (1940), p. 16
920:Curtiss-Wright (1940), p. 17
894:Curtiss-Wright (1940), p. 14
868:Curtiss-Wright (1940), p. 13
828:Curtiss-Wright (1940), p. 11
7:
1142:, p. 1, archived from
856:Curtiss-Wright (1983), p. 1
735:
280:
271:Fábrica Nacional de Motores
187:to boost its power output.
10:
2527:
776:Armstrong Siddeley Cheetah
729:540 lb (245 kg)
707:570 lb (259 kg)
684:565 lb (256 kg)
661:530 lb (240 kg)
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593:0.42 hp/cu-in (19.3 kW/L)
441:Specifications (R-760E-2)
93:U.S. Navy primary trainer
43:
34:
29:
803:
793:List of aircraft engines
95:Other U.S. Navy trainers
2511:Wright aircraft engines
2446:W-configuration inline)
1775:H-configuration inline)
1763:piston aircraft engine
633:Supercharger gear ratio
611:0.56 hp/lb (0.92 kW/kg)
458:General characteristics
358:Curtiss N2C-2 Fledgling
2426:VG (inverted-V inline)
1851:L (single-bank inline)
1823:IV (inverted-V inline)
1761:United States military
343:Beechcraft Staggerwing
226:Naval Aircraft Factory
199:pistons and a greater
148:Design and development
140:. These engines had a
123:Wright R-760 Whirlwind
78:Naval Aircraft Factory
52:Air-cooled 7-cylinder
2403:V (inverted-V inline)
607:Power-to-weight ratio
222:Curtiss N2C Fledgling
2325:V (upright-V inline)
1113:on February 15, 2010
816:Gunston 1989, p.181.
547:gear-driven, 9.17:1
54:radial piston engine
1149:on October 31, 2010
748:Related development
617:
499:42.44 in (107.8 cm)
435:McMinnville, Oregon
338:Abrams P-1 Explorer
234:A variety of civil
208:Operational history
181:naturally aspirated
158:J-6 Whirlwind Seven
134:Wright Aeronautical
1765:designation system
995:2010-02-04 at the
770:Comparable engines
764:Wright J-6-9/R-975
759:Wright J-6-5/R-540
615:
505:45.0 in (114.3 cm)
425:Engines on display
368:Fairchild Model 45
348:Cessna DC-6B Scout
197:higher-compression
86:Major applications
2488:
2487:
1727:
1726:
1640:
1639:
1285:second R-760 page
1253:R-760-2, -4, -8:
733:
732:
630:Compression ratio
624:Power, continuous
598:Compression ratio
353:Consolidated NY-3
119:
118:
16:(Redirected from
2518:
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1466:Whirlwind family
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1328:aircraft engines
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1281:first R-760 page
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1042:Aircraft Engines
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754:Wright J-5/R-790
742:Wright Whirlwind
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493:756 in³ (12.4 L)
452:type certificate
404:Waco CSO and CTO
384:St. Louis YPT-15
236:utility aircraft
216:, including the
214:primary trainers
130:aircraft engines
112:
87:
80:(under license)
62:
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30:R-760 Whirlwind
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514:570 lb (259 kg)
484:5.5 in (140 mm)
475:5.0 in (127 mm)
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218:Consolidated NY
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1541:Cyclone family
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1274:External links
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1166:The following
1164:
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1160:reference page
1131:Curtiss-Wright
1127:
1124:reference page
1095:Curtiss-Wright
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990:reference page
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589:Specific power
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567:Reduction gear
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65:United States
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2432:
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2423:
2417:
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2394:
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2328:
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2316:
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2301:
2298:
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2256:
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2208:
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2203:
2201:
2198:
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2191:
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2183:
2181:
2178:
2176:
2173:
2171:
2168:
2166:
2163:
2161:
2158:
2156:
2153:
2151:
2148:
2146:
2143:
2141:
2138:
2136:
2133:
2131:
2128:
2126:
2123:
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2118:
2116:
2113:
2111:
2108:
2106:
2103:
2101:
2098:
2096:
2093:
2091:
2088:
2086:
2083:
2082:
2080:
2078:
2074:
2068:
2065:
2063:
2060:
2058:
2055:
2053:
2050:
2048:
2045:
2043:
2040:
2038:
2035:
2033:
2030:
2028:
2025:
2023:
2020:
2018:
2015:
2013:
2010:
2008:
2005:
2003:
2000:
1998:
1995:
1993:
1990:
1988:
1985:
1983:
1980:
1978:
1975:
1973:
1970:
1968:
1965:
1963:
1960:
1958:
1955:
1953:
1950:
1948:
1945:
1943:
1940:
1938:
1935:
1933:
1930:
1928:
1925:
1923:
1920:
1918:
1915:
1913:
1910:
1909:
1907:
1905:
1901:
1895:
1892:
1890:
1887:
1885:
1882:
1880:
1877:
1875:
1872:
1870:
1867:
1865:
1862:
1860:
1857:
1856:
1854:
1852:
1848:
1842:
1839:
1837:
1834:
1832:
1829:
1828:
1826:
1824:
1820:
1814:
1811:
1809:
1806:
1804:
1801:
1799:
1796:
1794:
1791:
1789:
1786:
1784:
1781:
1780:
1778:
1776:
1773:H (four-bank
1770:
1766:
1762:
1755:
1750:
1748:
1743:
1741:
1736:
1735:
1732:
1720:
1717:
1715:
1712:
1711:
1709:
1707:
1703:
1697:
1694:
1692:
1689:
1688:
1686:
1684:
1680:
1676:
1670:
1667:
1665:
1662:
1660:
1657:
1655:
1652:
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1649:
1647:
1643:
1633:
1630:
1628:
1625:
1623:
1620:
1619:
1617:
1613:
1607:
1604:
1602:
1599:
1597:
1594:
1592:
1589:
1587:
1584:
1582:
1579:
1578:
1575:
1572:
1570:
1567:
1565:
1562:
1560:
1557:
1555:
1552:
1550:
1547:
1546:
1544:
1542:
1538:
1532:
1529:
1527:
1524:
1522:
1519:
1517:
1514:
1512:
1509:
1507:
1504:
1503:
1500:
1497:
1495:
1492:
1490:
1487:
1485:
1482:
1480:
1477:
1475:
1472:
1471:
1469:
1467:
1463:
1460:
1456:
1450:
1447:
1445:
1442:
1440:
1437:
1435:
1432:
1430:
1427:
1425:
1422:
1420:
1417:
1415:
1412:
1410:
1407:
1406:
1404:
1402:
1397:
1391:
1388:
1386:
1383:
1381:
1378:
1376:
1373:
1371:
1368:
1366:
1363:
1361:
1358:
1356:
1353:
1351:
1348:
1346:
1343:
1342:
1340:
1338:
1333:
1329:
1326:
1322:
1315:
1310:
1308:
1303:
1301:
1296:
1295:
1292:
1286:
1282:
1278:
1277:
1259:
1258:
1252:
1241:
1240:
1234:
1223:
1222:
1216:
1205:
1204:
1198:
1187:
1186:
1180:
1179:
1178:
1176:
1172:
1169:
1161:
1145:
1138:
1137:
1132:
1128:
1125:
1109:
1102:
1101:
1096:
1092:
1090:
1089:0-517-67964-7
1086:
1082:
1079:
1077:
1076:1-85260-163-9
1073:
1069:
1065:
1064:
1044:
1043:
1036:
1022:
1021:
1014:
1005:
998:
994:
991:
976:
975:
968:
959:
957:
955:
945:
943:
933:
931:
929:
927:
917:
915:
905:
903:
901:
891:
889:
879:
877:
875:
865:
863:
853:
851:
849:
847:
845:
843:
841:
839:
837:
835:
825:
823:
813:
809:
794:
791:
790:
789:
788:
787:Related lists
782:
779:
777:
774:
773:
772:
771:
765:
762:
760:
757:
755:
752:
751:
750:
749:
743:
740:
739:
728:
725:
722:
719:
717:
714:
711:
710:
706:
703:
700:
697:
694:
691:
688:
687:
683:
680:
677:
674:
671:
668:
665:
664:
660:
657:
654:
651:
649:
646:
643:
642:
638:
636:Octane rating
635:
632:
629:
626:
623:
620:
619:
610:
608:
604:
601:
599:
595:
592:
590:
586:
583:
582:Power output:
580:
579:
570:
568:
564:
562:
558:
555:
553:
550:
546:
544:
540:
537:
533:
529:
527:
523:
522:
513:
511:
507:
504:
501:
498:
495:
492:
490:
486:
483:
481:
477:
474:
472:
468:
465:
462:
461:
455:
453:
450:
447:
438:
436:
432:
420:
417:
415:
412:
410:
407:
405:
402:
400:
397:
395:
392:
390:
387:
385:
382:
380:
377:
374:
371:
369:
366:
364:
361:
359:
356:
354:
351:
349:
346:
344:
341:
339:
336:
335:
326:
322:
318:
315:
312:
309:
306:
303:
300:
297:
294:
291:
288:
287:J-6-7 (R-760)
285:
284:
278:
276:
272:
267:
265:
261:
257:
253:
249:
245:
241:
237:
232:
230:
227:
223:
219:
215:
205:
202:
198:
194:
193:cylinder head
188:
186:
182:
178:
174:
169:
167:
163:
159:
155:
145:
143:
139:
135:
132:built by the
131:
128:
124:
114:
109:
108:
104:
101:
100:
92:
89:
84:
83:
79:
75:
72:
70:Manufacturer
69:
68:
64:
59:
58:
55:
51:
48:
47:
42:
38:
33:
28:
19:
2466:
2169:
1564:Twin Cyclone
1510:
1493:
1263:December 12,
1261:, retrieved
1256:
1245:December 12,
1243:, retrieved
1238:
1227:December 12,
1225:, retrieved
1220:
1209:December 12,
1207:, retrieved
1202:
1191:December 12,
1189:, retrieved
1184:
1165:
1153:December 12,
1151:, retrieved
1144:the original
1135:
1117:December 12,
1115:, retrieved
1108:the original
1099:
1080:
1067:
1060:Bibliography
1046:, retrieved
1041:
1035:
1024:, retrieved
1019:
1013:
1004:
983:December 10,
981:, retrieved
973:
967:
812:
786:
785:
781:Jacobs R-755
769:
768:
747:
746:
605:
596:
587:
581:
571:Direct drive
565:
556:
543:Supercharger
541:
524:
508:
502:
496:
489:Displacement
487:
478:
469:
463:
445:
444:
428:
373:Howard DGA-8
332:Applications
324:
320:
316:
310:
304:
298:
292:
286:
268:
252:Howard DGA-8
233:
211:
189:
185:supercharger
170:
165:
161:
157:
151:
142:displacement
136:division of
122:
120:
115:around 1400
111:Number built
18:Wright R-760
1904:O (opposed)
1683:turboshafts
1370:T-4 Tornado
1365:T-3 Tornado
1360:T-2 Tornado
1355:T-1 Tornado
1350:Gipsy L-320
639:Dry weight
576:Performance
375:and DGA-15W
2495:Categories
2416:V-1650 (L)
2378:V-1650 (P)
2100:R-370 (LB)
2077:R (radial)
1679:Turboprops
1574:Cyclone 22
1235:R-760E-T:
1217:R-760E-2:
1199:R-760E-1:
1048:2009-12-13
1026:2009-12-13
799:References
557:Fuel type:
552:gear ratio
526:Valvetrain
519:Components
510:Dry weight
240:Beechcraft
229:N3N Canary
224:, and the
105:1929-1945
91:N3N Canary
2467:See also:
2130:R-540 (K)
2125:R-540 (W)
2105:R-370 (K)
2047:O-540 (L)
2042:O-540 (F)
2007:O-360 (L)
2002:O-360 (C)
1972:O-200 (F)
1967:O-200 (C)
1646:Turbojets
1554:Cyclone 9
1549:Cyclone 7
1399:Lawrance
712:R-760E-T
689:R-760E-2
666:R-760E-1
538:-actuated
503:Diameter:
446:Data from
102:Produced
1622:L-3 Gale
1325:Lawrance
1181:R-760E:
1133:(1983),
1097:(1940),
993:Archived
736:See also
549:impeller
419:Waco CRG
311:R-760E-T
305:R-760E-2
299:R-760E-1
281:Variants
256:Stearman
2434:VG-1410
2315:XR-7755
1841:IV-2220
1836:IV-2040
1831:IV-1430
1808:XH-3730
1803:XH-3130
1798:XH-2600
1793:XH-2470
1788:XH-2240
1706:Ramjets
1559:Cyclone
1401:radials
1385:IV-1560
1380:IV-1460
1335:Wright
644:R-760E
536:pushrod
497:Length:
317:R-760-2
260:Stinson
2470:X-1800
2454:W-2779
2393:V-3420
2388:V-1950
2383:V-1710
2373:V-1570
2368:V-1560
2363:V-1510
2358:V-1460
2353:V-1440
2348:V-1400
2343:V-1237
2338:V-1150
2310:R-4360
2305:R-4090
2300:R-3350
2295:R-2800
2290:R-2600
2285:R-2180
2280:R-2160
2275:R-2060
2270:R-2000
2265:R-1860
2260:R-1830
2255:R-1820
2250:R-1750
2245:R-1690
2240:R-1670
2235:R-1640
2230:R-1535
2225:R-1510
2220:R-1454
2215:R-1340
2210:R-1300
2205:R-1044
2195:DR-980
2067:O-1230
1813:H-4070
1783:H-1640
1627:R-1200
1615:Others
1606:R-4090
1601:R-3350
1596:R-2600
1591:R-1820
1586:R-1750
1581:R-1300
1531:R-1670
1526:R-1510
1390:V-1950
1321:Wright
1087:
1074:
701:9.17:1
678:7.05:1
655:7.05:1
621:Engine
561:octane
532:valves
480:Stroke
293:R-760E
275:Brazil
262:, and
244:Cessna
220:, the
173:stroke
127:radial
2411:V-770
2333:V-720
2200:R-985
2190:R-975
2185:R-915
2180:R-830
2175:R-790
2170:R-760
2165:R-755
2160:R-720
2155:R-680
2150:R-670
2145:R-600
2140:R-550
2135:R-545
2120:R-500
2115:R-440
2110:R-420
2095:R-270
2090:R-265
2085:R-250
2062:O-805
2057:O-580
2052:O-550
2037:O-520
2032:O-480
2027:O-470
2022:O-435
2017:O-425
2012:O-405
1997:O-335
1992:O-300
1987:O-290
1982:O-235
1977:O-205
1962:O-190
1957:O-180
1952:O-175
1947:O-170
1942:O-150
1937:O-145
1932:O-100
1894:L-825
1889:L-510
1884:L-440
1879:L-410
1874:L-390
1869:L-375
1864:L-365
1859:L-330
1521:R-975
1516:R-790
1511:R-760
1506:R-540
1499:J-6-9
1494:J-6-7
1489:J-6-5
1375:V-720
1147:(PDF)
1140:(PDF)
1111:(PDF)
1104:(PDF)
978:(PDF)
804:Notes
720:6.1:1
698:6.3:1
675:6.1:1
652:5.1:1
602:6.3:1
464:Type:
166:R-760
162:J-6-7
160:, or
154:R-790
49:Type
1927:O-90
1922:O-45
1917:O-40
1912:O-15
1719:RJ55
1714:RJ47
1323:and
1265:2009
1247:2009
1229:2009
1211:2009
1193:2009
1155:2009
1119:2009
1085:ISBN
1072:ISBN
985:2009
723:none
471:Bore
264:Waco
177:bore
121:The
1696:T49
1691:T35
1669:J67
1664:J65
1659:J61
1654:J59
1484:J-5
1479:J-4
1474:J-3
1449:L-5
1444:L-4
1439:L-3
1434:L-2
1429:L-1
1424:J-2
1419:J-1
1414:C-2
1409:A-3
559:80
449:FAA
433:in
273:in
201:RPM
2497::
1283:,
1177::
953:^
941:^
925:^
913:^
899:^
887:^
873:^
861:^
833:^
821:^
726:73
704:80
681:73
658:73
530:2
437:.
325:-8
323:,
321:-4
319:,
277:.
258:,
254:,
250:,
246:,
242:,
1753:e
1746:t
1739:v
1681:/
1345:E
1313:e
1306:t
1299:v
1268:.
1250:.
1232:.
1214:.
1196:.
1162:.
1126:.
1030:.
999:.
609::
600::
591::
569::
545::
528::
512::
491::
482::
473::
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
