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HD 37, I-7

Heinkel · Fighter · Germany · Interwar (1919–1938)

HD 37, I-7 — Fighter
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The Heinkel HD 37 was a fighter aircraft, designed in Germany in the late 1920s, but produced in the USSR for Soviet Air Force service. It was a compact, single-bay biplane with staggered wings of unequal span, braced by N-type interplane struts. The pilot sat in an open cockpit, and the main units of the tailskid undercarriage were linked by a cross-axle.

Specifications

Category
Fixed Wing
Sub-Category
Fighter
Domain
Defence
Era
Interwar (1919–1938)
Country
Germany
Manufacturer
Heinkel
Co-Manufacturer
TsKB
Operator
Soviet Air Force
Service Entry
1928
Produced
132
Engine
Mikulin M-17F
Thrust / Power
730 hp
Length (ft)
23
Wingspan (ft)
33
Empty Weight (lb)
2857
MTOW (lb)
3812
Service Ceiling (ft)
23622
Range (mi)
435
Max Speed (mph)
180
Armament
Guns: 2× fixed, forward-firing PV-1 machine guns