Waco F series
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The Waco F series is a series of American-built general aviation and military biplane trainers of the 1930s from the Waco Aircraft Company.
Ex-US Civilian Pilot Training Program 1941 Waco UPF-7
Waco RNF of 1931 displayed at the Pima Air Museum Tucson Arizona in 1991
Waco ZPF-6 three-seat executive aircraft built for Texaco Oil in 1936. Preserved airworthy at Sebring, Florida
UPF-7, built 1941, arrives at the 2014 Royal International Air Tattoo, England
Continental R-670
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The Continental R-670 was a seven-cylinder four-stroke radial aircraft engine produced by Continental displacing 668 cubic inches and a dry weight of 465 lb. Horsepower varied from 210 to 240 at 2,200
Waco F series
…Gross weight: 2,650 lb (1,202 kg) Powerplant: 1 × Continental W-670-6A seven cylinder radial , 220 hp (160 kW) Performance…
Continental W670 on display
An R-670 fitted to a Boeing Stearman at the Imperial War Museum Duxford