Argus As 10

As 10
Argus As 10 installed in a Fieseler Storch at the Royal Air Force Museum Cosford
Type	Piston aircraft engine
Manufacturer	Argus Motoren
First run	1928
Major applications	Fieseler Fi 156 Focke-Wulf Fw 56
Number built	28,700

The Argus As 10 is a German-designed and built, air-cooled 90° 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.^[1]

Variants

As 10C

As 10C-1

As 10E

Optional output version of the As 10C, delivered with either 240 PS (177 kW) or 270 PS (199 kW) rating (achieved by increasing maximum rpm).

As 10E-2

The proposed powerplant of the Pilatus P-1 trainer project.^[2]

As 401

Supercharged As 10 with rated output at 3,000 m (9,843 ft), also fitted with hydraulically actuated variable-pitch propeller.

Salmson 8As-00

Postwar production of the Argus As 10 in France

Salmson 8As-04

Postwar production of the Argus As 10 in France

Applications

Argus As 10c engine in a Messerschmitt Bf 108 Taifun

• 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
• Kayaba Ka-1 Imperial Japanese Army Observation autogiro
• Klemm Kl 151
• Messerschmitt Bf 108 Taifun
• Rogozarski SIM-XIV-H
• Siebel Si 201

Specifications (Argus As 10 C)

Argus As 10 C, partially sectioned, showing some inner parts

Data from Jane's All the World's Aircraft 1938.^[3]

General characteristics

• Type: inverted V-8, air-cooled, 90° piston engine
• Bore: 120 mm (4.724 in)
• Stroke: 140 mm (5.512 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

Components

• 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

Performance

• Power output: 240 PS (176.52 kW) at 2,000 rpm (5-min. Startleistung)
• 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)

See also

Related lists

• List of aircraft engines

References

Notes

1. Gunston 1989, p.16.
2. Eichenberger, Roland (1989). Pilatus Flugzeuge: 1939–1989 (in German). Stans: Pilatus Flugzeugwerk.
3. Jane's All the World's Aircraft 1938. London: Sampson, Low & Martin company Limited. 1938.

Bibliography

• Eichenberger, Roland (1989). Pilatus Flugzeuge: 1939–1989 (in German). Stans: Pilatus Flugzeugwerk.
• Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
• Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7