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R-4

This HFI model is part of the world's largest public display of scale model helicopters. It was built to 1/72 scale by Curator John Slattery in 1972.

Aircraft Specifications
First Flight:
1942
Main Rotor:
38 ft.
Engine:
 1 x 185 shp Warner R-550-1
Max Speed:
65 mph
Height:
12 ft., 1in.
Length:
48 ft., 1 in.
Gross Weight:
2,540 lbs.
Empty Weight:
 


The VS-316 (R-4) had twice the size and power of the VS-300. Cyclic pitch was obtained by means of a movable swash plate placed beneath the joints connecting the blades through to their shaft. A further control enabled the pitch of all the blades to be raised or lowered.

Works Referenced

R-4 | Page 21 of 39 | R-6