The Allen Aircraft Engine Co. of Compton, a suburb of Los Angeles California, developed an eight-cylinder horizontally opposed aircraft engine during 1928–1929.

O-675
Type Eight-cylinder horizontally opposed
National origin USA
Manufacturer Allen Aircraft Corporation
First run 1927
Produced 1928

Little is known about this engine, other than that it was never given a Type Certificate and that it was not used on any known aircraft.

Specifications (O-675)

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Data from Aeroengines

General characteristics

Components

Performance

  • Power output: 200 hp@1800 rpm

References

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  • Aeroengines
  • Aerofiles.com
  • Ricardo Miguel, VidalLos Motores Aeroespaciales A-Z, (Spanish), 2002, p. 157, ISBN 978-84-612-7903-6