Warner R-420 Scarab

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.

models

  • Scarab: 125 hp (93 kW)

specifications

  • Radial piston engine Seven cylinders
  • Displacement: 422 cubic inches (6.9 litres)
  • Bore x stroke: 4 1/4 x 4 1/4 inches

used by

  • Davis D-1-W