205:
29:
156:. The 60 deg angle between two rows of 6-cylinders resulted in even firing intervals for smooth power delivery and gave the engine a narrower profile than Renault's 90 deg V8s thereby reducing aerodynamic drag.
193:
allowing it to turn at half engine speed. This method of gearing allowed the engine and propeller to be run close to their optimum speeds without the additional weight penalty of a
220:. The engine was offered at a price of 17,000 Francs (the 70 hp V8 model was priced at 12,500 Francs). By mid 1912 the engine had been fitted to aircraft manufactured by
650:
189:
Another feature inherited from earlier
Renault air-cooled V8 engines was the form of reduction gearing where the propeller was fixed to the end of the
167:. This arrangement also made the engine crankcase shorter than would have been the case if the "side by side" connecting rods (found on the earlier V8
360:
One exhaust valve and one inlet valve per cylinder. Both valves located in a lateral pocket with the exhaust on top and the intake on the bottom.
929:
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399:
0.5:1, left hand tractor (there is no reduction gear as such; The reduction was achieved by mounting the propeller on the camshaft).
194:
405:(looking end on at the propeller hub): Engine crankshaft, 1800 rpm counter-clockwise. Camshaft and propeller, 900 rpm clockwise.
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allowing corresponding cylinders in each row to be arranged directly opposite each other which improved
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aircraft used a cowl mounted air scoop to feed cooling air over the large finned cast iron cylinders.
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By 1911, V12 engines had already been built for boats and automobiles. As with other V12s and
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The
Renault 90 hp was first exhibited at the 1911 Salon de l’Aéronautique at the
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Eppelsheimer, Frederick (13 November 1915). "Twin-Six
Engines for Aeroplanes".
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engines, Renault's design had the inherent advantage of primary and secondary
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aircraft engine. The engine was developed in 1911 from
Renault’s earlier
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70:
564:"Les Moteurs d'aviation Renault" [Renault aircraft engines].
60:
208:
Renault aircraft engine advert c.1912 showing the 5 available models
197:
while the reverse rotation of the crankshaft and propeller reduced
159:
The 90 hp model was the first
Renault aero engine with articulated
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632:
174:
As with
Renault's V8 air-cooled models, engines intended for
550:. Dayton, Ohio, USA: The Otterbein Press. pp. 412–414.
427:
0.232 kW/kg (0.141 hp/lb) at nominal power output
366:
Carburetor mounted on the left side of the engine block.
290:Air–cooled, upright, 60-degree, V-12 piston engine
36:Renault 90 hp fitted to a Maurice Farman biplane
644:
599:"The Grand Prix of the Aero Club de France".
8:
235:The 90 hp engine was quickly followed by a
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317:10.66 L (650.76 cu in)
16:The world's first V12 aircraft engine
7:
516:[Renault aviation engines]
568:(in French). France. 18 June 1912.
14:
583:. United Kingdom. 4 January 1912.
418:90 hp (67 kW) - Nominal
182:while those engines intended for
514:"Les moteurs d'aviation Renault"
161:master-and-slave connecting rods
27:
621:. United Kingdom. 11 July 1912.
603:. United Kingdom. 20 June 1912.
201:improving aircraft handling.
1:
930:1910s aircraft piston engines
579:"Engines at the Paris Show".
323:1,585 mm (62.40 in)
617:"French Military Aviation".
547:Airplane Engine Encyclopedia
384:Wet sump. Internal oil pump.
178:aircraft were fitted with a
344:289.4 kg (638 lb)
335:710 mm (27.95 in)
329:803 mm (31.61 in)
951:
470:. Haynes. pp. 18–19.
308:140 mm (5.51 in)
136:engines and used the same
669:
512:Hartmann, Gerard (2005).
299:90 mm (3.54 in)
35:
26:
21:
925:Renault aircraft engines
544:Angle, Glenn D. (1921).
466:Ludvigsen, Karl (2005).
438:List of aircraft engines
128:, was the world’s first
282:General characteristics
239:in the summer of 1912.
209:
144:Design and development
423:Power-to-weight ratio
207:
935:V12 aircraft engines
496:Scientific American
210:
180:centrifugal blower
912:
911:
199:gyroscopic forces
171:) had been used.
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684:Renault 50/60 hp
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468:The V-12 Engine
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388:Cooling system:
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254:Breguet Type IV
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165:dynamic balance
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56:National origin
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265:Specifications
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154:engine balance
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113:Renault 100 hp
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108:Developed into
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96:Developed from
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22:Renault 90 hp
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619:The Aeroplane
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601:The Aeroplane
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581:The Aeroplane
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416:Power output:
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169:Renault 70 hp
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122:Renault 90 hp
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101:Renault 70 hp
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67:Manufacturer
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674:35-40 hp V-4
663:aero engines
618:
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522:. Retrieved
495:
467:
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364:Fuel system:
363:
354:
338:
332:
326:
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313:Displacement
311:
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287:
276:
272:
269:
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243:Applications
237:100 hp model
234:
214:Grand Palais
211:
188:
173:
158:
150:straight-six
147:
125:
121:
119:
86:Number built
734:265 hp V-12
729:200 hp V-12
724:190 hp V-12
714:120 hp V-12
709:100 hp V-12
524:10 December
520:(in French)
410:Performance
382:Oil system:
259:Farman MF.7
49:aero engine
44:Air-cooled
919:Categories
477:1844250040
444:References
390:Air-cooled
370:Fuel type:
356:Valvetrain
349:Components
340:Dry weight
138:air-cooled
77:First run
904:Bengali 6
899:Bengali 4
679:45 hp V-8
270:Data from
432:See also
403:Rotation
191:camshaft
140:design.
660:Renault
333:Height:
321:Length:
249:Astra C
230:Breguet
195:gearbox
184:tractor
71:Renault
719:160 hp
566:L'Aéro
474:
377:petrol
374:octane
372:40–50
327:Width:
304:Stroke
277:L'Aéro
226:Farman
176:pusher
61:France
704:90 hp
518:(PDF)
288:Type:
273:Angle
222:Astra
218:Paris
124:, or
80:1911
41:Type
849:12Fe
526:2023
472:ISBN
295:Bore
275:and
228:and
120:The
90:130
894:18J
889:12T
884:12S
879:12R
874:12N
869:12M
864:12K
859:12J
854:12H
844:12F
839:12E
834:12D
829:12A
764:626
759:468
754:456
749:454
744:446
739:438
216:in
130:V12
126:12A
46:V12
921::
824:9P
819:9C
814:9A
809:8G
804:8C
799:8B
794:8A
789:7A
784:6Q
779:6P
774:4P
769:4B
609:^
589:^
556:^
534:^
504:^
486:^
452:^
232:.
224:,
134:V8
652:e
645:t
638:v
528:.
480:.
425::
397::
358::
342::
315::
306::
297::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
