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| He 119 | |
|---|---|
 | |
| General information | |
| Type | Reconnaissancebomber |
| Manufacturer | Heinkel |
| Primary user | Luftwaffe |
| Number built | 8 |
| History | |
| First flight | July 1937 |
TheHeinkel He 119 was an experimental single-propellermonoplane with two coupled engines, developed inGermany. A private venture by Heinkel to test radical ideas by theGünter brothers, the He 119 was originally intended to act as an unarmedreconnaissancebomber capable of eluding allfighters due to its high performance.
Design was begun in the late summer of 1936. A prominent feature of the aircraft was the streamlinedfuselage, which had an extensively glazedcockpit immediately behind thepropeller. Two of the three-man crew sat one each side of a driveshaft, which ran aft to a coupled pair ofDaimler-BenzDB 601 engines mounted above the wing center-section, mounted together within a common mount (the starboard component engine having a "mirror-image" centrifugal supercharger) with a common gear reduction unit fitted to the front ends of each engine, forming a drive unit known as the DB 606. The He 119 was the first German aircraft to use the"high-power" powerplant system meant to provide German aircraft with an powerplant design of over-1,500 kW (2,000 PS) output capability, but weighing 1.5 tonnes apiece.
The DB 606 was installed just behind the aft cockpit wall, near thecenter of gravity, with an enclosed extension shaft passing through the centerline of the cockpit to drive a large four-blade variable-pitch propeller in the nose. Anevaporative cooling system was used on the V1, with the remainingprototypes having a semi-retractable radiator directly below the engine to augment cooling during take-off and climb.
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Only eight prototypes were completed and the aircraft did not see production, mainly because of the shortages of DB 601 "component" engines to construct the 1,500 kg (3,300 lb) DB 606 "power systems" they formed. The first two prototypes were built as land planes, with retractablelanding gear. The third prototype (V3) was constructed as aseaplane with twin floats. This was tested at theErprobungsstelle Travemünde military seaplane test facility on the Baltic coast, and was scrapped in 1942 at Heinkel's factory airfield inMarienehe.
On 22 November 1937, the fourth prototype (V4) made a world class-record flight in which it recorded an airspeed of 505 km/h (314 mph), with a payload of 1,000 kg (2,205 lb), over a distance of 1,000 km (621 mi).[citation needed] The four remaining prototypes were completed during the spring and early summer of 1938, the V5 and V6 being A-series production prototypes for the reconnaissance model, and the V7 and V8 being B-series production prototypes for the bomber model.
These four aircraft were three-seaters with a defensive armament of one 7.92 mm (0.312 in)MG 15 machine gun in a dorsal position, V7 and V8 having provision for a normal bombload of three 250 kg (551 lb) bombs or maximum bombload of 1,000 kg (2,205 lb). V7 and V8 were sold to Japan in May 1940, and extensively studied; the insights thus gained were used in the design of theYokosuka R2Y.[citation needed] The remaining prototypes served as engine test-beds, flying with various prototype versions of the DB 606 and DB 610 (twinnedDB 605s) and thestrictly-experimental DB 613 (twinnedDB 603).
Data fromWarplanes of the Third Reich[2]
General characteristics
Performance
Armament
Aircraft of comparable role, configuration, and era
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