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Heinkel He 5

Development of the basic design continued with the He 4 and He 5 reconnaissance seaplanes produced in 1926. Production figures for the He 5 are also unknown. It was fitted with the 335kW / 450-hp Napier Lion engine, and proved itself by gaining three world seaplane climb/payload records in September 1926.

A single-engined float seaplane, with three seats inline in separated open cockpits. A monoplane low wing braced underneath by 4 pairs of masts in N configuration uniting the two floats in the catamaran and the base of the fuselage. The cantilever horizontal stabilizer was directly on the back of the fuselage, two floats in catamaran. The He5 was constructed of wood, with a plywood wood coating for the fuselage.

The He 5 was licence-built in Sweden for the Navy by Svenska.

In the second-half of the 20's the Soviets decided to acquire an aircraft carrier. Realising that experience of design of catapults nor suitable aircraft was in the country, thel VVS turned to the German firm “Ernst Heinkel".
In 1927 the Soviets purchased two He.5 float monoplanes. Tests showed that the flight-performance data was considerably lower than declared by firm, but the aircraft was steady, and it possesses not bad maneuverability. These machines served for a while in 65-m squadron, which was in Nakhimova bay in Sevastopol.
Total production: 100

He 5
Engine Napier Lion II, 450 hp
Propeller two-bladed wooden fixed pitch
Wingspan: 16,80 m
Length: 12,19 m
Height: 4,23 m
Wung area: 49 sq.m
Empty weight: 1634 kg
MTOW: 2900 kg
Wing loading: 59 kg/sq.m
Power loading: 6,4 kg/hp
Max speed: 230 kmh
Ceiling: 6000 m
Range: 800 km
Armament: 2 x 7,92 mm mg

He 5b
Engine: Bristol-board Jupiter VIII, 480 hp

He 5c
Engine: Bristol Pegasus IIm3, 660 hp
Max speed: 280 kph
Ceiling: 7000 m




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