| He 116 | |
|---|---|
 | |
| An He 116B-0 in service with the Luftwaffe | |
| Role | Mail plane / Reconnaissance aircraft |
| Manufacturer | Heinkel |
| Designer | Siegfried and Walter Günter |
| First flight | 9 December 1936 |
| Primary users | Deutsche Lufthansa Luftwaffe |
| Produced | 1937–1938 |
| Number built | 14 |
The Heinkel He 116 was an extremely long-range mail plane designed to deliver airmail between Germany and Japan. Several examples were built for this role, as well as a small batch to be used in the long-range reconnaissance role.
The design started in response to a 1936 request by Lufthansa, which planned a route over the Pamir Mountains in Afghanistan. This was the primary difficulty in producing an aircraft able to meet the range requirements, because the aircraft would have to lift its large fuel load to 7,600 m (24,900 ft) to clear the mountains. At the time there were simply no engines available with that sort of altitude performance, although Hirth was working on one in the 370 kW (500 hp) class. The Günter brothers proposed to adapt their basic He 70 Blitz airframe to carry four of these engines to provide enough power for the massive fuel load.
The He 116 would use a modified version of the He 70's two-spar elliptical planform, skinned (like the He 70) with plywood. The fuselage was all-new, consisting of a semi-monocoque duralumin body with watertight bulkheads in case the aircraft were forced down over water. The design shared enough construction with the He 70 that the first prototype He 116 V1 was completed in early 1937. The new engines were not ready at this point, so the prototype was instead fitted with the much smaller Hirth HM 508C of 180 kW (240 hp).
Germany 
Manchukuo Data from German aircraft of the Second World War, [1] Jane's all the World's Aircraft 1938 [2]
General characteristics
Performance
Related lists
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