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Pratt & Whitney R-2180-A Twin Hornet
The
Pratt & Whitney
R-2180-A
Twin Hornet
was a
radial engine
developed in the
United States
by
Pratt
&
Whitney
. It had two rows of
seven
cylinders
each.
Applications
Douglas DC-4E
North American XB-21
Republic P-44 Rocket
Stearman XA-21
Specifications
(R-2180-A)