Argus As 8
| As 8 | |
|---|---|
 | |
| Argus As 8 aircraft engine | |
| Type | Piston aircraft engine |
| Manufacturer | Argus Motoren |
The Argus As 8 was a four-cylinder, air-cooled, inverted inline aircraft engine produced in Germany by Argus Motoren in the 1930s.
Variants
- As 8A
- Initial production version 71 kW (95 hp) maximum for 5 minutes, 60 kW (80 hp) continuous.
- As 8B
- A more powerful variant developing 101 kW (135 hp) maximum for 5 minutes, 86 kW (115 hp) continuous.
- As 8R
- A variant produced for sport aircraft, particularly for competition use, developing 110 kW (150 hp) for take-off. Featuring:
- Increased compression ratio, from 5.36 to 5.8
- Improved cooling by increasing the numbers of cooling fins at the cylinder head and the cylinder body
- Increasing the heat dispersing area of the pistons
- Improved crankcase and oil cooling
- Improved cylinder charging
- Modified valve timing
Applications
- Albatros L 100
- Albatros Al 101
- Arado L II (As 8A)
- Arado L IIa (As 8R)
- BFW M.23
- BFW M.27
- BFW M.29
- Heinkel He 64
- Klemm L 25E
- Ruhrtaler Ru.3
Specifications (As 8B)
Data from [1]
General characteristics
- Type: 4-cylinder inverted air-cooled in-line piston engine
- Bore: 120 mm (4.72 in)
- Stroke: 140 mm (5.51 in)
- Displacement: 6.333 l (386.46 cu in)
- Length: 1,075 mm (42.3 in) without airscrew hub
- Width: 470 mm (18.5 in)
- Height: 731 mm (28.8 in)
- Dry weight: 116 kg (256 lb) empty
Components
- Valvetrain: Overhead valves operated by pushrods and rockers
- Fuel system: One down-draught carburretor
- Fuel type: Aviation gasoline
- Oil system: Pressure feed
- Cooling system: Air-cooled
Performance
- Power output: 101 kW (135 hp) maximum for 5 minutes at 2200 rpm, 86 kW (115 hp) continuous at 2090 rpm.
- Compression ratio: 5.36:1
- Specific fuel consumption: 212 g/PSh at maximum, 236 g/PSh at continuous
- Oil consumption: 1.2 kg (2.6 lb) / h
See also
- Comparable engines
- Alfa Romeo 110
- Blackburn Cirrus Major
- de Havilland Gipsy Major
- Elizalde Tigre IV
- Hirth HM 504
- Menasco C4
- Related lists
References
- ↑ "Argus AS-8 R:". he64.info. Retrieved 12 August 2014.
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Wikimedia Commons has media related to Argus As 8. |
Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 15.
- Das Virtuelle Luftfahrtmuseum
- Thomas Mildenberger. "Argus AS-8 R". Heinkel He 64. http://he64.com/. Retrieved 7 July 2011. External link in
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