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201:, 260 horsepower (194 kW). 29 built by Armstrong Whitworth, 260 built by Napier & Son.
521:
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207:
300 horsepower (224 kW) high compression version with high-lift
491:
306:
Overhead valve, both valves operated by a single pushrod
461:. Cambridge, England. Patrick Stephens Limited, 1989.
475:. Marlborough, Wiltshire: Airlife Publishing, 2003.
503:
159:but produced by the two British companies of
8:
334:260 hp (194 kW) at 1,750 rpm (takeoff power)
510:
496:
488:
254:12-cylinder, upright, 60-degree Vee engine
197:1914 - Main production variant, increased
473:British Piston Engines and their Aircraft
427:
18:
7:
459:World Encyclopaedia of Aero Engines
14:
27:
151:. Based on the eight–cylinder
1:
584:1910s aircraft piston engines
187:1914 - Prototype engine, 200
227:Royal Aircraft Factory R.E.7
175:version of the same engine.
139:is a British liquid-cooled,
94:Royal Aircraft Factory R.E.7
605:
343:0.25 hp/cu in (11.25 kW/L)
528:
36:RAF 3a on display at the
35:
26:
21:
411:List of aircraft engines
321:0.5:1, left-hand tractor
361:0.33 hp/lb (0.54 kW/kg)
281:1,049.4 cu in (17.24 L)
246:General characteristics
233:Specifications (RAF 3a)
155:it was designed by the
16:British aircraft engine
519:Royal Aircraft Factory
434:Gunston, 1989, p. 156.
157:Royal Aircraft Factory
74:Royal Aircraft Factory
38:Polish Aviation Museum
443:Lumsden 2003, p. 223.
357:Power-to-weight ratio
143:engine developed for
589:V12 aircraft engines
371:Related development
161:Armstrong Whitworth
399:Rolls-Royce Falcon
388:Comparable engines
89:Major applications
571:
570:
394:Rolls-Royce Eagle
348:Compression ratio
263:4.5 in (114.3 mm)
133:
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173:high compression
165:Napier & Son
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471:Lumsden, Alec.
457:Gunston, Bill.
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368:
328:
310:Cooling system:
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290:780 lb (354 kg)
272:5.5 in (140 mm)
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83:September 1914
65:United Kingdom
61:National origin
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467:1-85260-163-9
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405:Related lists
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312:Liquid-cooled
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216:Applications
168:
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101:Number built
326:Performance
149:World War I
147:use during
54:aero engine
578:Categories
417:References
302:Valvetrain
295:Components
286:Dry weight
222:Airco DH.4
189:horsepower
80:First run
238:Data from
209:camshafts
191:(150 kW).
366:See also
179:Variants
145:aircraft
241:Lumsden
479:
465:
268:Stroke
194:RAF 3a
171:was a
167:. The
51:inline
48:Piston
22:RAF 3
563:RAF 8
558:RAF 7
553:RAF 5
548:RAF 4
543:RAF 3
538:RAF 2
533:RAF 1
422:Notes
382:RAF 4
377:RAF 1
352:5.3:1
252:Type:
204:RAF 7
184:RAF 3
169:RAF 7
153:RAF 1
137:RAF 3
128:RAF 4
116:RAF 1
44:Type
477:ISBN
463:ISBN
259:Bore
199:bore
163:and
141:V-12
135:The
105:289
580::
511:e
504:t
497:v
483:.
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211:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
