121:, the goal was to develop the Puma to produce its intended power output which Halford eventually achieved. The Nimbus was further developed into an air-cooled version known as the
470:
529:
425:
280:
534:
463:
54:
456:
369:
103:
33:
439:
320:
202:
149:
144:
139:
421:
311:
482:
193:
154:
106:
78:
357:
523:
340:
302:
240:
184:
114:
110:
90:
493:
479:
118:
352:
503:
448:
253:
229:
134:
74:
452:
180:
Six-cylinder, inline, liquid-cooled, upright piston engine
109:
that first ran in 1926. The Nimbus was developed from the
298:
305 hp (227 kW) at 1,450 rpm (takeoff power)
420:. Marlborough, Wiltshire: Airlife Publishing, 2003.
125:which did not enter production and was not flown.
464:
8:
471:
457:
449:
418:British Piston Engines and their Aircraft
258:1 inlet and 2 exhaust valve per cylinder
386:
20:
7:
16:1920s British piston aircraft engine
14:
285:Direct drive, right hand tractor
1:
530:1920s aircraft piston engines
307:0.26 hp/cu in (12 kW/L)
325:0.46 hp/lb (0.9 kW/kg)
551:
489:
119:Aircraft Disposal Company
55:Aircraft Disposal Company
23:
370:List of aircraft engines
207:1,150.3 cu in (18.85 L)
172:General characteristics
161:Specifications (Nimbus)
321:Power-to-weight ratio
225:44 in (1,118 mm)
219:17.5 in (444 mm)
213:70 in (1,778 mm)
535:ADC aircraft engines
402:Lumsden 2003, p.276.
393:Lumsden 2003, p. 55.
234:670 lb (304 kg)
198:7.5 in (190 mm)
189:6.0 in (152 mm)
440:Nimbus Martinsyde,
335:Related development
347:Comparable engines
145:de Havilland DH.50
140:de Havilland DH.37
70:Major applications
517:
516:
312:Compression ratio
150:Nimbus Martinsyde
96:
95:
542:
473:
466:
459:
450:
403:
400:
394:
391:
87:
71:
43:
21:
550:
549:
545:
544:
543:
541:
540:
539:
520:
519:
518:
513:
485:
477:
436:
431:
416:Lumsden, Alec.
412:
407:
406:
401:
397:
392:
388:
383:
378:
332:
292:
274:Cooling system:
249:
174:
163:
155:Vickers Vendace
131:
113:aero engine by
85:
79:Vickers Vendace
77:
69:
46:United Kingdom
42:National origin
41:
17:
12:
11:
5:
548:
546:
538:
537:
532:
522:
521:
515:
514:
512:
511:
506:
501:
496:
490:
487:
486:
480:ADC (Airdisco)
478:
476:
475:
468:
461:
453:
447:
446:
435:
434:External links
432:
430:
429:
413:
411:
408:
405:
404:
395:
385:
384:
382:
379:
377:
374:
373:
372:
361:
360:
358:Mercedes D.IVa
355:
344:
343:
331:
328:
327:
326:
317:
308:
303:Specific power
299:
291:
288:
287:
286:
281:Reduction gear
277:
271:
265:
259:
248:
245:
244:
243:
235:
226:
220:
214:
208:
199:
190:
181:
173:
170:
162:
159:
158:
157:
152:
147:
142:
137:
130:
127:
102:was a British
94:
93:
88:
86:Developed from
82:
81:
72:
66:
65:
62:
58:
57:
52:
48:
47:
44:
38:
37:
36:piston engine
32:Liquid-cooled
30:
26:
25:
15:
13:
10:
9:
6:
4:
3:
2:
547:
536:
533:
531:
528:
527:
525:
510:
507:
505:
502:
500:
497:
495:
492:
491:
488:
484:
481:
474:
469:
467:
462:
460:
455:
454:
451:
445:
443:
438:
437:
433:
427:
426:1-85310-294-6
423:
419:
415:
414:
409:
399:
396:
390:
387:
380:
375:
371:
368:
367:
366:
365:
364:Related lists
359:
356:
354:
351:
350:
349:
348:
342:
341:Siddeley Puma
339:
338:
337:
336:
329:
324:
322:
318:
315:
313:
309:
306:
304:
300:
297:
296:Power output:
294:
293:
289:
284:
282:
278:
275:
272:
269:
266:
263:
260:
257:
255:
251:
250:
246:
242:
241:Frank Halford
239:
236:
233:
231:
227:
224:
221:
218:
215:
212:
209:
206:
204:
200:
197:
195:
191:
188:
186:
182:
179:
176:
175:
171:
169:
167:
160:
156:
153:
151:
148:
146:
143:
141:
138:
136:
133:
132:
128:
126:
124:
120:
116:
115:Frank Halford
112:
111:Siddeley Puma
108:
105:
101:
92:
91:Siddeley Puma
89:
84:
83:
80:
76:
73:
68:
67:
63:
60:
59:
56:
53:
51:Manufacturer
50:
49:
45:
40:
39:
35:
31:
28:
27:
22:
19:
508:
498:
483:aero engines
441:
417:
410:Bibliography
398:
389:
363:
362:
346:
345:
334:
333:
319:
310:
301:
295:
279:
273:
267:
262:Fuel system:
261:
252:
237:
228:
222:
216:
210:
203:Displacement
201:
192:
183:
177:
165:
164:
129:Applications
122:
99:
97:
18:
444:, July 1928
353:Benz Bz.III
290:Performance
264:Carburettor
107:aero engine
524:Categories
376:References
276:Air-cooled
268:Fuel type:
254:Valvetrain
247:Components
230:Dry weight
135:Airco DH.9
123:ADC Airsix
100:ADC Nimbus
75:Airco DH.9
61:First run
270:74 octane
238:Designer:
166:Data from
494:Airdisco
330:See also
168:Lumsden
223:Height:
211:Length:
117:of the
24:Nimbus
509:Nimbus
504:Cirrus
499:Airsix
442:Flight
424:
217:Width:
194:Stroke
104:inline
34:inline
381:Notes
316:5.4:1
178:Type:
64:1926
29:Type
422:ISBN
185:Bore
98:The
526::
472:e
465:t
458:v
428:.
323::
314::
305::
283::
256::
232::
205::
196::
187::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.