Heinkel HD.37a
Heinkel HD.37a prototype. The HD.37c was licence-built for the Voyenno-Vozdushnye Sily (VVS): adapted by the TsKB (Tsentrahl'noye konstrooktorskoye byuro - central construction bureau) and produced by Polikarpov, with the designation I-7, powered by a Mikulin M-17F engine, armed with PV-1 machine guns and equipped with a Soviet radio
Picture No
13338562
Media ID
47768599
Size
5433px x 3409px
(2.5MB)
Credit
(c) The Peter Butt Aviation Collection / Mary Evans
Source
unattributed photographer - scanned from an archive print
Date
1928
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Bureau Designation Equipped Heinkel Licence-built Polikarpov Sily
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