Argus As 10 / As 401
The Argus As 10 is a German-designed and built, air-cooled 90º cylinder bank angle inverted V8 "low power" inline aircraft engine, used mainly in training aircraft such as the Arado Ar 66 and Focke-Wulf Fw 56 Stösser and other small short range reconnaissance and communications aircraft like the Fieseler Fi 156 Storch during and shortly after WWII. It was first built in 1928.
Approximately 28,700 were built.
Optional output version of the As 10C, delivered with either 240 hp (179 kW) or 270 hp (201 kW) rating (achieved by increasing maximum rpm).
Supercharged As 10 with rated output at 3,000 m (9,843 ft), also fitted with hydraulically actuated variable pitch airscrew.
Arado Ar 66
Arado Ar 76
Dornier Do 12
Fieseler Fi 156 Storch
Focke-Wulf Fw 56 Stösser
Focke-Wulf Fw 58
Gotha Go 145
Henschel Hs 121
Klemm Kl 151
Messerschmitt Bf 108 Taifun
Kayaba Ka-1 Imperial Japanese Army Observation autogiro
Argus As 10 C/3
Type: inverted V-8, air-cooled, 90° piston engine
Bore: 120 mm (4.72 in)
Stroke: 140 mm (5.51 in)
Displacement: 12.667 l (772.99 cu in)
Length: 1,105 mm (43.50 in)
Width: 880 mm (34.65 in)
Height: 936 mm (36.85 in)
Dry weight: 213 kg (470 lb) dry
Valvetrain: Two valves per cylinder.
Fuel system: Two Sun carburetors adapted for aerobatics
Fuel type: 80 octane
Oil system: Dry sump, one pressure pump and two scavenge pumps
Cooling system: Air
Power output: 179 kW (240.04 hp) at 2,000 rpm
Specific power: 14.8 kW/L (0.31 hp/in³)
Compression ratio: 5.9:1
Specific fuel consumption: 235 gr/(hp*h); 0.518 lb/(hp*h)
Oil consumption: 0.010 kg/kW/hr (0.0176 lb/hp/hr)
Power-to-weight ratio: 0.835 kW/kg (0.51 hp/lb)