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F-28 | F-28 | Model 280 Shark
 
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Enstrom Helicopter Corp. F-28

This handsome Pewter Model F-28 is part of the Helicopter Foundation's archives.

Aircraft Specifications
First Flight:
 1960
Main Rotor:
 32 ft.
Engine:
 1 x 180 shp Lycoming HIO 360-A1A
Max Speed:
 115 mph
Height:
 9 ft., 1 in.
Length:
 28 ft.
Gross Weight:
 1,950 lbs.
Empty Weight:
 1,250 lbs.

About the Aircraft: The F-28's steel-tube structure later evolved into an aluminum composite tail boom..

Works Referenced

Enstrom Helicopter Corp. F-28

This HFI model is part of the world's largest public display of scale model helicopters.

Aircraft Specifications
First Flight:
 1960
Main Rotor:
 32 ft.
Engine:
 1 x 180 shp Lycoming HIO 360-A1A
Max Speed:
 115 mph
Height:
 9 ft., 1 in.
Length:
 28 ft.
Gross Weight:
 1,050 lbs.
Empty Weight:
 1,250 lbs.

About the Aircraft: The R.J. Enstrom Corporation was established in 1959 in Michigan to market a conventional helicopter at a competitive price. The first prototype flew in 1960. Originally a two-seater, it evolved into a three-seater with a fully-articulated three-blade rotor system.

Works Referenced

Enstrom Helicopter Corp. Model 280 Shark

This HFI model is part of the world's largest public display of scale model helicopters.

Aircraft Specifications
First Flight:
 1978
Main Rotor:
 34 ft.
Engine:
 1 x 250 shp Lycoming HIO-360
Max Speed:
 120 mph
Height:
 9 ft., 2in.
Length:
 32 ft., 4 in.
Gross Weight:
 2,600 lbs
Empty Weight:
 1,560 lbs.

About the Aircraft: The Model 280 (Shark) has a redesigned fuselage, a broad dorsal fin, horizontal tail surfaces and an increased fuel capacity.

Works Referenced