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Gotha WD.4 / U.W.D.

Страна: Германия

Год: 1916

Gotha - WD.10 - 1916 - Германия<– –>Gotha - WD.7/WD.11/WD.14/WD.20 - 1916 - Германия

O.Thetford, P.Gray German Aircraft of the First World War (Putnam)

Gotha Ursinus G.U.H. G I and U.W.D.
  This unique aeroplane, to the design of Oskar Ursinus (editor of Flugsport), was built by Gothaer Waggonfabrik A.G., in both land and seaplane versions. The landplane first flew on 27th July 1915 and the seaplane early in 1916. Several of the former version were constructed and designated G I. A crew of three was carried, and the gunner in the front cockpit had an unparalleled field of fire. The idea of raising the fuselage was to enable the engines to be placed as close together as possible - airscrew tips almost touching - in order to retain a good degree of control in asymmetric flight should failure of either engine occur. In both types "handed" airscrews were employed.
  Only a single seaplane (No. 120) was built, and was ultimately used as a school machine for torpedo crews.
  Engines, two 160 h.p. Mercedes D III. Span, 20.3 m. (66 ft. 7 1/4 in.). Length, 14.2 m. (46 ft. 7 1/8 in.). Area, 82 sq.m. (885.6 sq.ft.). Weights: Empty, 1,940 kg. (4,268 lb.). Loaded, 2,830 kg. (6,849 lb.). Speed 138 km.hr. (86.125 m.p.h.). Climb, 1,000 m. (3,280 ft.) in 8 min. (U.W.D Seaplane data.)
  Armament, two Parabellum machine-guns, both types.

O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Gotha Ursinus U.W.D.
Jane's All The World Aircraft 1919 /Jane's/
The Ursinus GUH G.I. Hydro-Aeroplane at rest.
A.Imrie - German Naval Air Service /Arms & Armour/
Only one Gotha Ursinus seaplane was used by the Navy, being allocated number 120. It is shown on 19 March 1916 on one of its operational flights, when in company with five other seaplanes from Zeebrugge it dropped bombs on Dover, Deal, Ramsgate and Margate, causing 14 fatalities among the civilian population.
H.Cowin - Aviation Pioneers /Osprey/
The Naval Air Service's sole Gotha WD-4, 120. This three seat bomber owed much to the earlier Gotha G I built for the Army. First flown on 26 January 1916, the WD-4 typifies the seemingly haphazard procurement policy of the navy towards the purchase of aeroplanes for most of the war. Instead of buying a few types of aircraft and engines to meet their mission requirements, the navy bought a large variety of aeroplanes and engines in often very small quantities, making the maintenance crews' and supply people's lives a nightmare. Few performance details survive for the WD-4 other than that it had two 160hp Mercedes D III, giving it atop level speed of 85.5mph. Used spasmodically during 1916, the Zeebrugge-based WD-4, accompanied by five other seaplanes, was reported to have raided several ports in the south east of England, on 19 March 1916, ranging from Dover to Margate.