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is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States, production started in 1936.
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of 915 cu in (15 L). Take-off power was around 330 hp (250 kW). The engine features steel
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of 5.5 in × 5.5 in (140 mm × 140 mm), for a
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2 valves per cylinder (pushrod-actuated); sodium cooled exhaust valves
463:(8th ed.). London: Sir Isaac Pitman & Sons Ltd. p. 161.
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549:, Bomber Command Museum of Canada - Nanton Lancaster Society
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Radial aircraft engine manufactured in the United States
515:. Cambridge, England. Patrick Stephens Limited, 1989.
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85:The R-915 was effectively an enlargement of the
188:A preserved Jacobs R-915 is on display at the
130:Similar to the A1 but with Scintilla magnetoes
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222:7-cylinder air-cooled radial piston engine
1405:Aircraft air-cooled radial piston engines
339:330 hp (246 kW) at 2,200 RPM at sea level
89:with strengthened stressed parts. With a
526:Jane's Fighting Aircraft of World War II
553:FAA Type Data Certificate Sheet - R-915
474:Nanton Lancaster Society: Jacobs L-6 MB
442:
18:
528:. London. Studio Editions Ltd, 1989.
311:One pressure pump, two scavenge pumps
7:
1374:US military gas turbine aeroengines
486:The Canadian Museum of Flight - L-6
136:With a power take-off for autogyros
513:World Encyclopedia of Aero Engines
461:Aircraft engines of the World 1950
195:A Jacobs L-6 is on display at the
14:
326:Direct drive, right hand tractor
27:
121:Baseline variant; an enlarged
50:Jacobs Aircraft Engine Company
1:
1400:1930s aircraft piston engines
1379:Piston engine configurations
157:Beechcraft F-17D Staggerwing
459:Wilkinson, Paul H. (1950).
147:Avro Anson Mk II and Mk III
1426:
488:Retrieved: 31 January 2009
394:Armstrong Siddeley Cheetah
1361:
348:0.36 hp/cu-in (16.4 kW/L)
197:Canadian Museum of Flight
26:
21:
426:List of aircraft engines
203:Specifications (R-915A1)
190:Nanton Lancaster Society
1410:Jacobs aircraft engines
1345:W-configuration inline)
674:H-configuration inline)
662:piston aircraft engine
476:Retrieved: 23 July 2015
214:General characteristics
177:Waco AQC, AGC, ARE, AVN
1325:VG (inverted-V inline)
750:L (single-bank inline)
722:IV (inverted-V inline)
660:United States military
81:Design and development
1302:V (inverted-V inline)
362:Power-to-weight ratio
1224:V (upright-V inline)
409:Piaggio Stella P.VII
152:Beechcraft Model 18D
105:with aluminum-alloy
449:Gunston 1989, p.85.
376:Related development
366:0.6 hp/lb (1 kW/kg)
664:designation system
497:Janes 1989, p.305.
388:Comparable engines
261:45.5 in (1,160 mm)
183:Engines on display
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353:Compression ratio
296:NA-R7A carburetor
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255:40 in (1,030 mm)
249:915 cu in (15 L)
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270:555 lb (252 kg)
240:5.5 in (140 mm)
231:5.5 in (140 mm)
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541:External links
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547:Jacobs L-6 MB
545:
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534:0-517-67964-7
531:
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522:
521:1-85260-163-9
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420:Related lists
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337:Power output:
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46:Manufacturer
45:
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40:Radial engine
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525:
512:
505:Bibliography
493:
481:
469:
460:
454:
445:
419:
418:
414:Wright R-760
387:
386:
382:Jacobs R-755
375:
374:
360:
351:
342:
336:
320:
314:
308:
299:
290:Fuel system:
289:
280:
264:
258:
252:
245:Displacement
243:
234:
225:
219:
207:
206:
172:Kellett KD-1
141:Applications
99:displacement
84:
74:
71:Jacobs R-915
70:
68:
62:Jacobs R-755
803:O (opposed)
331:Performance
309:Oil system:
1394:Categories
1315:V-1650 (L)
1277:V-1650 (P)
999:R-370 (LB)
976:R (radial)
432:References
399:Avia Rk.17
317:Air-cooled
300:Fuel type:
282:Valvetrain
275:Components
266:Dry weight
75:Jacobs L-6
1366:See also:
1029:R-540 (K)
1024:R-540 (W)
1004:R-370 (K)
946:O-540 (L)
941:O-540 (F)
906:O-360 (L)
901:O-360 (C)
871:O-200 (F)
866:O-200 (C)
618:R-915/L-6
613:R-830/L-5
608:R-755/L-4
294:Stromberg
259:Diameter:
208:Data from
103:cylinders
371:See also
162:Fleet 50
113:Variants
1333:VG-1410
1214:XR-7755
740:IV-2220
735:IV-2040
730:IV-1430
707:XH-3730
702:XH-3130
697:XH-2600
692:XH-2470
687:XH-2240
292:Single
253:Length:
133:R-915A4
127:R-915A3
118:R-915A1
1369:X-1800
1353:W-2779
1292:V-3420
1287:V-1950
1282:V-1710
1272:V-1570
1267:V-1560
1262:V-1510
1257:V-1460
1252:V-1440
1247:V-1400
1242:V-1237
1237:V-1150
1209:R-4360
1204:R-4090
1199:R-3350
1194:R-2800
1189:R-2600
1184:R-2180
1179:R-2160
1174:R-2060
1169:R-2000
1164:R-1860
1159:R-1830
1154:R-1820
1149:R-1750
1144:R-1690
1139:R-1670
1134:R-1640
1129:R-1535
1124:R-1510
1119:R-1454
1114:R-1340
1109:R-1300
1104:R-1044
1094:DR-980
966:O-1230
712:H-4070
682:H-1640
589:Jacobs
532:
519:
304:octane
236:Stroke
210:Jane's
95:stroke
22:R-915
1310:V-770
1232:V-720
1099:R-985
1089:R-975
1084:R-915
1079:R-830
1074:R-790
1069:R-760
1064:R-755
1059:R-720
1054:R-680
1049:R-670
1044:R-600
1039:R-550
1034:R-545
1019:R-500
1014:R-440
1009:R-420
994:R-270
989:R-265
984:R-250
961:O-805
956:O-580
951:O-550
936:O-520
931:O-480
926:O-470
921:O-435
916:O-425
911:O-405
896:O-335
891:O-300
886:O-290
881:O-235
876:O-205
861:O-190
856:O-180
851:O-175
846:O-170
841:O-150
836:O-145
831:O-100
793:L-825
788:L-510
783:L-440
778:L-410
773:L-390
768:L-375
763:L-365
758:L-330
437:Notes
220:Type:
123:R-755
87:R-755
36:Type
826:O-90
821:O-45
816:O-40
811:O-15
530:ISBN
517:ISBN
227:Bore
93:and
91:bore
69:The
357:6:1
302:80
73:or
1396::
109:.
652:e
645:t
638:v
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364::
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324::
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192:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
