| 词条 | Bristol Neptune | |||||||||||||
| 释义 |
The Bristol Neptune was a seven-cylinder air-cooled radial engine developed in 1930. It had the same size cylinders as the earlier Mercury and Titan engines, 5.75 in (146 mm) x 6.5 in (165 mm) which gave a displacement of 1,182 cu in (19.3 L) and produced a maximum of 320 horsepower (239 kW). The Neptune was effectively a seven-cylinder version of the Titan.[1] Applications
Specifications (Neptune I){{pistonspecs||ref=Lumsden. [1] |type=7-cylinder air-cooled radial engine. |bore=5.75 in (146 mm) |stroke=6.5 in (165 mm) |displacement=1,182 cu in (19.3 L) |length= |diameter=48.4 in (1229.3 mm) |width= |height= |weight=630 lb (286 kg) |valvetrain=Overhead valve, Four valves per cylinder |supercharger= |turbocharger= |fuelsystem= |fueltype=73-77 octane petrol |oilsystem= |coolingsystem=Air-cooled |power=295 hp (220 kW) at 1,700 rpm (rated power), 320 hp (239 kW) at 1,870 rpm at sea level |specpower= |compression=5:1 |fuelcon= |specfuelcon= |oilcon= |power/weight=0.5 hp/lb (0.83 kW/kg) |designer=Roy Fedden |reduction_gear=Direct drive, left hand tractor |general_other= |components_other= |performance_other= }} See also{{aircontent|see also= |related=
|similar aircraft= |lists=
|similar engines=
}} References{{Commons category|Bristol piston engines}}Notes1. ^1 Lumsden 2003, p.103. Bibliography{{refbegin}}
3 : Radial engines|Bristol aircraft engines|Aircraft piston engines 1930–1939 |
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