368:
40:
128:
gradually increased power output until reliability problems due to overheating and coolant leaks became apparent. Military funding for further development of the
Conqueror was cut in 1932, efforts by Curtiss to market the engine for civil
1213:
1582:
880:
1481:
893:
1045:
964:
1263:
1060:
1007:
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1323:
1055:
941:
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1223:
1017:
1002:
1040:
987:
736:
1603:
1333:
1228:
1218:
873:
1358:
120:
of 1,570 cubic inches (26 L). The engine featured open-ended cylinder liners (advanced technology for the period) and pressurized
1403:
866:
1634:
1608:
1423:
1438:
1328:
1398:
1388:
889:
745:
514:
Inlet and exhaust overhead camshafts operating two exhaust and two inlet valves per cylinder, via 'T' head cam followers.
72:
1393:
1629:
729:
701:
17:
1373:
858:
582:
1343:
536:
1639:
48:
1428:
722:
756:
1418:
936:
931:
1598:
1413:
926:
916:
121:
116:, initially named the Conqueror, it was later given the military designation of V-1570 based on its
1433:
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997:
842:
837:
794:
779:
642:
1368:
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1303:
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1383:
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62:
8:
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266:
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117:
1516:
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337:
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1278:
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573:
355:
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888:
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921:
327:
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101:
1461:
1195:
979:
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418:
367:
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1511:
1363:
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1283:
1190:
1175:
1170:
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1125:
1120:
1115:
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1100:
1085:
1080:
1070:
1065:
992:
911:
847:
620:
332:
271:
1623:
1268:
1248:
1238:
1205:
829:
564:
396:
322:
302:
296:
230:
1562:
1544:
1539:
1476:
1466:
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1050:
1012:
804:
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784:
714:
630:
608:
342:
317:
312:
307:
251:
235:
125:
113:
97:
96:
liquid-cooled aircraft engine. Representing a more powerful version of the
1032:
1022:
819:
809:
774:
769:
246:
1288:
1258:
1243:
1233:
509:
493:
93:
59:
39:
799:
1572:
1554:
1531:
1453:
951:
901:
130:
710:
London, England. Sampson Low, Marston & Company
Limited
362:
696:. Cambridge, England. Patrick Stephens Limited, 1989.
560:
600 hp (450 kW) at 2,400 rpm (direct-drive)
133:failed and the line was dropped from production.
1621:
526:Dry sump, pressure feed and spray with scavenge.
112:Designed in 1924 as a military successor to the
874:
730:
744:
665:
663:
881:
867:
737:
723:
547:One Scintilla magneto and two distributors
383:
532:Liquid-cooled (water or chemical coolant)
392:V-12 liquid-cooled aircraft piston engine
107:
660:
366:
593:0.02 lb/(hp⋅h) (0.012 kg/kWh)
14:
1622:
587:0.53 lb/(hp⋅h) (0.32 kg/kWh)
358:(custom Bonneville salt flat race car)
124:. Developments including the use of a
862:
718:
445:1,570.4 cu in (25.7 L)
349:
708:Jane's all the World's Aircraft 1931
363:Specifications (V-1570 direct drive)
1604:US military gas turbine aeroengines
100:, the engine entered production in
73:Curtiss Aeroplane and Motor Company
24:
694:World Encyclopedia of Aero Engines
25:
1651:
520:Two Stromberg NA-Y6-O carburetors
38:
685:
223:
104:and flew in numerous aircraft.
27:American piston aircraft engine
672:
551:
13:
1:
1635:1920s aircraft piston engines
648:
502:
49:National Air and Space Museum
1609:Piston engine configurations
7:
597:
136:
10:
1656:
451:64 in (1,600 mm)
1591:
1571:
1553:
1530:
1452:
1204:
1031:
978:
950:
900:
828:
755:
583:Specific fuel consumption
498:835 lb (379 kg)
46:
37:
32:
1630:Curtiss aircraft engines
653:
643:List of aircraft engines
90:Curtiss V-1570 Conqueror
1575:W-configuration inline)
904:H-configuration inline)
892:piston aircraft engine
569:0.43 hp/in³ (19.6 kW/L)
384:General characteristics
1555:VG (inverted-V inline)
980:L (single-bank inline)
952:IV (inverted-V inline)
890:United States military
489: in (992 mm)
470: in (668 mm)
436: in (161 mm)
414: in (130 mm)
372:
371:Side view of V-1570-53
108:Design and development
1532:V (inverted-V inline)
370:
1640:V12 aircraft engines
1454:V (upright-V inline)
669:Gunston 1989, p. 46.
603:Related development
267:Consolidated Y1P-25
242:Berliner-Joyce P-16
47:A V-1570-53 at the
894:designation system
615:Comparable engines
373:
350:Other applications
338:Thomas-Morse YO-23
277:Curtiss B-2 Condor
1617:
1616:
856:
855:
678:Grey 1931, p. 72.
626:Hispano-Suiza 12Y
574:Compression ratio
545:Ignition system:
379:Grey and Gunston.
356:Mormon Meteor III
282:Curtiss CO Condor
262:Consolidated P-30
257:Consolidated A-11
86:
85:
18:Curtiss Conqueror
16:(Redirected from
1647:
883:
876:
869:
860:
859:
749:aircraft engines
739:
732:
725:
716:
715:
679:
676:
670:
667:
591:Oil consumption:
488:
487:
483:
480:
469:
468:
464:
461:
435:
434:
430:
427:
413:
412:
408:
405:
328:Huff-Daland XB-1
292:Curtiss P-6 Hawk
287:Curtiss P-1 Hawk
42:
30:
29:
21:
1655:
1654:
1650:
1649:
1648:
1646:
1645:
1644:
1620:
1619:
1618:
1613:
1587:
1574:
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1549:
1526:
1448:
1200:
1027:
974:
946:
903:
896:
887:
857:
852:
824:
751:
743:
713:
692:Gunston, Bill.
688:
683:
682:
677:
673:
668:
661:
656:
651:
600:
554:
530:Cooling system:
505:
485:
481:
478:
476:
466:
462:
459:
457:
432:
428:
425:
423:
410:
406:
403:
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386:
365:
352:
347:
226:
221:
139:
110:
28:
23:
22:
15:
12:
11:
5:
1653:
1643:
1642:
1637:
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1614:
1612:
1611:
1606:
1601:
1592:
1589:
1588:
1586:
1585:
1579:
1577:
1573:W (three-bank
1569:
1568:
1566:
1565:
1559:
1557:
1551:
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1548:
1547:
1542:
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850:
845:
840:
834:
832:
830:Radial engines
826:
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823:
822:
817:
812:
807:
802:
797:
792:
787:
782:
777:
772:
767:
761:
759:
757:Inline engines
753:
752:
742:
741:
734:
727:
719:
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704:
689:
687:
684:
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671:
658:
657:
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646:
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634:
633:
628:
623:
621:Allison V-1710
612:
611:
599:
596:
595:
594:
588:
579:
570:
565:Specific power
561:
553:
550:
549:
548:
542:
537:Reduction gear
533:
527:
521:
515:
504:
501:
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471:
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446:
437:
415:
393:
385:
382:
364:
361:
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345:
340:
335:
333:Lockheed YP-24
330:
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305:
300:
294:
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279:
274:
269:
264:
259:
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238:(1930 version)
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122:liquid cooling
109:
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84:
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53:
52:
44:
43:
35:
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1119:
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1112:
1109:
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1064:
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1059:
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1052:
1049:
1047:
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1039:
1038:
1036:
1034:
1030:
1024:
1021:
1019:
1016:
1014:
1011:
1009:
1006:
1004:
1001:
999:
996:
994:
991:
989:
986:
985:
983:
981:
977:
971:
968:
966:
963:
961:
958:
957:
955:
953:
949:
943:
940:
938:
935:
933:
930:
928:
925:
923:
920:
918:
915:
913:
910:
909:
907:
905:
902:H (four-bank
899:
895:
891:
884:
879:
877:
872:
870:
865:
864:
861:
849:
846:
844:
841:
839:
836:
835:
833:
831:
827:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
796:
793:
791:
788:
786:
783:
781:
778:
776:
773:
771:
768:
766:
763:
762:
760:
758:
754:
750:
747:
740:
735:
733:
728:
726:
721:
720:
717:
709:
705:
703:
702:1-85260-163-9
699:
695:
691:
690:
675:
666:
664:
659:
644:
641:
640:
639:
638:
637:Related lists
632:
629:
627:
624:
622:
619:
618:
617:
616:
610:
607:
606:
605:
604:
592:
589:
586:
584:
580:
577:
575:
571:
568:
566:
562:
559:
558:Power output:
556:
555:
546:
543:
540:
538:
534:
531:
528:
525:
522:
519:
516:
513:
511:
507:
506:
497:
495:
491:
475:
472:
456:
453:
450:
447:
444:
442:
438:
422:
420:
416:
400:
398:
394:
391:
388:
387:
381:
380:
377:
369:
357:
354:
353:
344:
341:
339:
336:
334:
331:
329:
326:
324:
323:Douglas Y1B-7
321:
319:
316:
314:
311:
309:
306:
304:
303:Curtiss XP-10
301:
298:
297:Curtiss XO-30
295:
293:
290:
288:
285:
283:
280:
278:
275:
273:
270:
268:
265:
263:
260:
258:
255:
253:
250:
248:
245:
243:
240:
237:
234:
232:
231:Atlantic XB-8
229:
228:
217:
214:
211:
208:
205:
202:
199:
196:
193:
190:
187:
184:
181:
178:
175:
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169:
166:
163:
160:
157:
154:
151:
148:
145:
142:
141:
134:
132:
127:
123:
119:
115:
105:
103:
99:
95:
91:
81:
78:
77:
74:
71:
69:Manufacturer
68:
67:
64:
63:piston engine
61:
58:
55:
54:
50:
45:
41:
36:
31:
19:
1595:
1501:
814:
707:
693:
686:Bibliography
674:
636:
635:
631:Klimov M-105
614:
613:
609:Curtiss D-12
602:
601:
590:
581:
572:
563:
557:
544:
541:Direct-drive
535:
529:
523:
518:Fuel system:
517:
508:
492:
473:
454:
448:
441:Displacement
439:
417:
395:
389:
378:
375:
374:
343:Tupolev TB-3
318:Douglas O-43
313:Douglas O-31
308:Dornier Do X
252:Boeing Y1B-9
236:Bellanca TES
224:Applications
126:supercharger
118:displacement
114:Curtiss D-12
111:
98:Curtiss D-12
89:
87:
1033:O (opposed)
706:Grey, C.G.
552:Performance
524:Oil system:
299:(not built)
272:Curtiss A-8
247:Boeing XP-9
209:GIV-1570-FM
1624:Categories
1545:V-1650 (L)
1507:V-1650 (P)
1229:R-370 (LB)
1206:R (radial)
780:Challenger
649:References
510:Valvetrain
503:Components
494:Dry weight
170:SV-1570-15
79:First run
1596:See also:
1259:R-540 (K)
1254:R-540 (W)
1234:R-370 (K)
1176:O-540 (L)
1171:O-540 (F)
1136:O-360 (L)
1131:O-360 (C)
1101:O-200 (F)
1096:O-200 (C)
376:Data from
218:GIV-1570C
206:V-1570-79
203:V-1570-61
200:V-1570-59
197:V-1570-57
194:V-1570-55
191:V-1570-53
188:V-1570-33
185:V-1570-29
182:V-1570-27
179:V-1570-25
176:V-1570-23
173:V-1570-17
167:V-1570-15
164:V-1570-13
161:V-1570-11
155:geared -7
152:GV-1570-7
131:airliners
598:See also
215:V-1570-F
212:V-1570-C
158:V-1570-9
149:V-1570-7
146:V-1570-5
143:V-1570-1
137:Variants
1563:VG-1410
1444:XR-7755
970:IV-2220
965:IV-2040
960:IV-1430
937:XH-3730
932:XH-3130
927:XH-2600
922:XH-2470
917:XH-2240
795:Model K
746:Curtiss
484:⁄
474:Height:
465:⁄
449:Length:
431:⁄
409:⁄
33:V-1570
1599:X-1800
1583:W-2779
1522:V-3420
1517:V-1950
1512:V-1710
1502:V-1570
1497:V-1560
1492:V-1510
1487:V-1460
1482:V-1440
1477:V-1400
1472:V-1237
1467:V-1150
1439:R-4360
1434:R-4090
1429:R-3350
1424:R-2800
1419:R-2600
1414:R-2180
1409:R-2160
1404:R-2060
1399:R-2000
1394:R-1860
1389:R-1830
1384:R-1820
1379:R-1750
1374:R-1690
1369:R-1670
1364:R-1640
1359:R-1535
1354:R-1510
1349:R-1454
1344:R-1340
1339:R-1300
1334:R-1044
1324:DR-980
1196:O-1230
942:H-4070
912:H-1640
848:R-1454
838:H-1640
815:V-1570
700:
455:Width:
419:Stroke
92:was a
1540:V-770
1462:V-720
1329:R-985
1319:R-975
1314:R-915
1309:R-830
1304:R-790
1299:R-760
1294:R-755
1289:R-720
1284:R-680
1279:R-670
1274:R-600
1269:R-550
1264:R-545
1249:R-500
1244:R-440
1239:R-420
1224:R-270
1219:R-265
1214:R-250
1191:O-805
1186:O-580
1181:O-550
1166:O-520
1161:O-480
1156:O-470
1151:O-435
1146:O-425
1141:O-405
1126:O-335
1121:O-300
1116:O-290
1111:O-235
1106:O-205
1091:O-190
1086:O-180
1081:O-175
1076:O-170
1071:O-150
1066:O-145
1061:O-100
1023:L-825
1018:L-510
1013:L-440
1008:L-410
1003:L-390
998:L-375
993:L-365
988:L-330
843:R-600
654:Notes
578:6.1:1
390:Type:
82:1926
56:Type
1056:O-90
1051:O-45
1046:O-40
1041:O-15
805:OX-5
790:K-12
785:D-12
698:ISBN
397:Bore
102:1926
88:The
820:V-2
810:OXX
775:C-6
770:B-8
765:A-2
94:V12
60:V12
1626::
662:^
486:16
477:39
467:16
458:26
433:32
429:11
51:.
882:e
875:t
868:v
800:O
738:e
731:t
724:v
585::
576::
567::
539::
512::
496::
482:1
479:+
463:5
460:+
443::
426:+
424:6
421::
411:8
407:1
404:+
402:5
399::
20:)
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