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Gallaudet D-1 / D-4

Страна: США

Год: 1915

Two-seater Seaplane

Gallaudet - C-2 - 1915 - США<– –>General - Gamma S - 1916 - США


G.Swanborough, P.Bowers United States Navy Aircraft Since 1911 (Putnam)


GALLAUDET D-1, D-4

One of the most unusual designs in the Navy inventory was the Gallaudet D-series, produced by the Gallaudet Engineering Company, Norwich, Conn. This featured the power plant amidships driving a geared-down propeller mounted on a ring encircling the fuselage. The D-1 (A59) was powered with two 150 hp Dusenberg engines mounted side by side. Following delivery of the D-1 in January 1917, the firm reorganized as Gallaudet Aircraft Corporation, and moved to Greenwich, Rhode Island. Two D-4s, powered with single Liberty engines, were then produced for the Navy (A2653, A2654). D-1 specifications: span, 48 ft; length, 33 ft; gross weight, 4,604 lb; max speed, 90 mph.


Jane's All The World Aircraft 1919


The special feature of this machine is that it is a "pusher" biplane with a fuselage, the aircrew consisting of four separate blades fixed to a ring-centre which revolves round the fuselage itself.
  
  
THE GALLAUDET D.4 LIGHT BOMBER SEAPLANE.
  
Specification.
Type of machine Two-seater Seaplane.
Name or type No. of machine D. 4.
Purpose for which intended Bombing.
Span 46 ft. 6 in.
Overall length 33 ft.
Maximum height 11 ft. 6 in.
Single central float.
Engine type and h.p. Liberty (power unstated).
Weight of machine empty 3,800 lbs.
Petrol tank capacity In gallons 64 gallons.
Performance. Speed (maximum) 130 m.p.h.
Landing speed 45 m.p.h.
Climb.
  To 8.100 feet in minutes 15 minutes.
Total weight of machine loaded 5,430 lbs.

G.Swanborough, P.Bowers - United States Navy Aircraft Since 1911 /Putnam/
The Gallaudet D-1, serial A59, at Pensacola in mid-1916.
Форум - Breguet's Aircraft Challenge /WWW/
The beautiful Gallaudet D-1 with the US Navy aircraft serial A59. Earlier the same machine had the serial number AH-61.
Журнал - Flight за 1916 г.
AN INTERESTING EXAMPLE OF A PUSHER FUSELAGE BATTLE SEAPLANE FROM AMERICA - The principal features of this machine, which has been built by the Gallaudet Co. of Norwich, Conn., for the U.S. Navy, consist of the arrow-form wings, and the four-bladed propeller (driven by two 150 h.p. Duesenberg motors) bisecting the fuselage. A clutch connection between each engine and the propeller enables either one or both engines to be used. A speed of 100 m.p.h. is claimed with both engines running, and 70 m.p.h. with one engine. Machines embodying this form of propulsion were designed several years ago by M, Coanda (Bristol), and M. Pateras Peseara, both of which were tested at M. Eiffel's laboratory, whilst other examples are to be found in the Borel and Bleriot pusher monoplanes of 1912-3, and the Grahame-Whlte Military biplane of 1913.
Jane's All The World Aircraft 1919 /Jane's/
The Gallaudet D.4 Hydro-Biplane, with airscrew-centre encircling the main frame of the fuselage. Two used by US Navy, plus one earlier D.1 type with two 150 h.p. Duesenberg engines.
Журнал - Flight за 1918 г.
American aeroplane types of 1917-18: Gallaudet Pusher.
Jane's All The World Aircraft 1919 /Jane's/
Gallaudet Navy Seaplane