American Helicopter Museum - Aircraft Engines / 03 Curtiss Wright R1820
Bill Maloney
5/22/2008

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03 Curtiss Wright R1820

03 Curtiss Wright R1820 Radial Engine

Wright Cyclone R-1820 Radial Engine Specifications:

Number of Cylinders : 9
Displacement:
1,825 ci
Bore:
6.125 inches
Stroke:
6.875 inches
Compression Ratio:
6.8:1
Aspiraton:
Single Stage Two Speed Supercharger
Weight:
1,300lbs
Length:
47 inches
Diameter:
55 inches
Output: 1,525hp at 2,800rpm
First Flight : 1931
Airframes used on:
Grumman Trader, B-17, Douglas Dauntless, North American T-28 Trojan, Sikorsky UH-34 Seabat Helicopter
Cost: $