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Warner R-420 Scarab

The Engine  Specifications
Introduced in 1927, the Scarab gained quick acceptance when it came close to sweeping the 1928 U.S. National Air Races.

The U.S. military designation for the Warner Scarab was the R-420

Radial piston engine
Seven cylinders
Displacement: 422 cubic inches (6.9 liters)
Bore x stroke: 4 1/4 x 4 1/4 inches
 Models  Used by
Scarab: 125 hp (93 kW)
Davis D-1-W
Granville Gee Bee E Sportster
Waco RNF
 Related Pages
More about Warner

page updated 22 February 2008



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Kenneth W Shanaberger 2000 - 2010