OLD RHINEBECK AERODROME

ABC Wasp

Country: United Kingdom
Year: 1916
Horsepower: 170
R.P.M.: 1750
Weight: 290 lbs.
Displacement: 667 cu. in.
Configuration: 7 cylinder radial 
air-cooled
Used in: Westland Wagtail, 
Sopwith Snail
The ABC was one of the first large stationary air-cooled radials.  The tempermental engine had the best power-to-weight ratio of any engine to date.  This advanced stationary radial engine concept prompted the design of the larger 302 HP Dragonfly version which was a failure.

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