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Kellett KD-1

Kellett Autogiro Company · Autogyro · United States · Interwar (1919–1938)

Kellett KD-1 — Autogyro
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The Kellett KD-1 is a 1930s American autogyro built by the Kellett Autogiro Company. It had the distinction of being the first practical rotary-wing aircraft used by the United States Army and inaugurated the first scheduled air-mail service using a rotary-wing aircraft.

Specifications

Category
Rotorcraft
Sub-Category
Autogyro
Domain
Civil
Era
Interwar (1919–1938)
Country
United States
Manufacturer
Kellett Autogiro Company
Operator
United States Army Air Forces; Eastern Airlines
Service Entry
1934
Engine
Jacobs L-4MA
Thrust / Power
170 kW
Length (ft)
28
MTOW (lb)
2244
Service Ceiling (ft)
13999
Range (mi)
200
Max Speed (mph)
125