Argus As 8 Explained

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 95abbr=onNaNabbr=on maximum for 5 minutes, 80abbr=onNaNabbr=on continuous.

As 8B:A more powerful variant developing 135abbr=onNaNabbr=on maximum for 5 minutes, 115abbr=onNaNabbr=on continuous.

As 8R:A variant produced for sport aircraft, particularly for competition use, developing 150abbr=onNaNabbr=on 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)
• Baumgärtl Heliofly III
• BFW M.23
• BFW M.27
• BFW M.29
• BFW M.35
• Blohm & Voss Ha 136
• Comte AC-12 Moskito
• Darmstadt D-22
• DFS 40
• Focke-Wulf Fw 44
• Heinkel He 64
• Heinkel He 72
• Klemm L 25E
• Klemm Kl 32
• Raab-Katzenstein RK.25/32
• Ruhrtaler Ru.3

Further reading

Book: Gunston, Bill . World Encyclopedia of Aero Engines . 1986 . Patrick Stephens . Wellingborough . 15 .

External links

• Das Virtuelle Luftfahrtmuseum