The Pratt & Whitney R-1830 Twin Wasp is an American air-cooled radial aircraft engine. It has 14 cylinders, arranged in two rings of seven. It displaces 1,830 cu in and its bore and stroke are both 5.
R-1830 on display at the Imperial War Museum Duxford
R-1830 mounted on the left wing of an ex-military Douglas C-47
RAF Dakota's Twin Wasp out for servicing
Pratt & Whitney R-1830 "Twin Wasp" (sectioned)
Grumman F4F Wildcat
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The Grumman F4F Wildcat is an American carrier-based fighter aircraft that entered service in 1940 with the United States Navy and the British Royal Navy. The British made the first use of the type in
Pratt & Whitney R-1830 Twin Wasp
…FFVS J 22 – "emergency fighter"; built in-house by the Swedish Air Force Grumman F4F Wildcat I.Ae. 24 Calquin…
F4F-3 in non-reflective blue-gray over light gray scheme from early 1942
The XF4F-3 in 1939; it was written off in a fatal accident on 16 December 1940
An early F4F-3 with prop spinner and cowling guns
A Fleet Air Arm Wildcat in 1944, showing "invasion stripes"