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A.D. Flying Boat

Страна: Великобритания

Год: 1916

A.D. - Type 1000 - 1915 - Великобритания<– –>A.D. - Navy Pusher Seaplane - 1916 - Великобритания


Jane's All The World Aircraft 1919


This machine, with the exception of the hull, was completely re-designed by the firm and fitted with Hispano-Suiza engine. It carried 4 1/2 hours' fuel, wireless gear, Lewis gun and ammunition, pilot and passenger, sea anchor, ground anchor, 40 fathoms of line, etc. It is believed to have put up new world's records for flying-boats m March, 1917.


O.Thetford British Naval Aircraft since 1912 (Putnam)


A.D. FLYING-BOAT

  Two-seat patrol flying-boat designed by the Air Department of the Admiralty and constructed by Pemberton-Billing, Ltd (later Supermarine), at Woolston, Southampton. First flown 1917. Prototypes (1412 and 1413) followed by 27 production aircraft (N 1290, N 1520 to 1529, N 1710 to 1719 and N2450 to 2455). One 150 hp or 200 hp Hispano-Suiza engine, loaded weight 3.327 lb and 3.567 lb respectively. Span, 50 ft 4 in. Length, 30 ft 7 in. Maximum speed, 100 mph at 2.000 ft. Climb, 30 min to 10.000 ft. Endurance, 4 1/2 hr.


H.King Armament of British Aircraft (Putnam)


A.D. Flying Boat. A free Lewis gun pillar-mounted in the bow cockpit and a light bomb load (two 65-lb?) was the armament of this patrol and reconnaissance machine ol 1916. (See also Supermarine Channel.)


Supermarine

Channel. This was the name conferred by Supermarine on the A.D. Flying Boat constructed by them and offered for sale in 1919. A Scarff ring-mounting for a Lewis gun with 'single# ammunition drums was installed a short distance back from the bows as shown in a photograph herewith. This same picture suggests the presence of a four 20-lb bomb-carrier under the port wing, and the makers mentioned a possible load of two 50-lb or 100-lb bombs.


A.Jackson British Civil Aircraft since 1919 vol.3 (Putnam)


Supermarine Channel

  The A.D. two-seat patrol flying boat of 1916 was designed jointly by Lt. Linton Hope, Harold Bolas, Harold Yendall and Clifford W. Tinson and had a flexible wooden monococque hull which unconcernedly absorbed punishment from rough seas. The wings folded forward and construction took place at the Woolston, Southampton, works of Pemberton Billing Ltd. where 27 had been completed by the 1918 Armistice. A number of these were repurchased from the Air Ministry by the Supermarine Aviation Works Ltd., successors to the Pemberton Billing concern, and converted for civil use with 160 h.p. Beardmore engine driving a pusher airscrew and with the forward part of the hull seating two passengers in tandem with a third in the bows and the pilot behind.
  An initial batch of ten, redesignated Supermarine Channels, were registered to Supermarine as G-EAED to ’EM on 11 June 1919, three of which, G-EAED, ’EE and ’EK, still bearing R.A.F. serials, began pleasure flights along the South Coast with the first Cs. of A. issued to British commercial flying boats. Brisk business was done at Bournemouth Pier and chief pilot Cdr. B. D. Hobbs organised the daily positioning flight from Woolston into a regular service. During Cowes Week a Channel stationed on the Medina was chartered on 7 August for a flight round H.M.S. Renown as it left Portsmouth with H.R.H. the Prince of Wales aboard. Later in the month ’ED received a civic send-off at the inauguration of the world’s first international flying boat service to Le Havre and a local service to Cowes also began. The Channels taxied from the Woolston works to embark passengers at Royal Pier but ’EE overturned and sank during a pleasure flight at Bournemouth on 15 August and commercial operations ceased at the end of the season.
  In 1920 Channels G-EAEH, ’El and ’EL were despatched to Norway in crates for Norske Luftreideri’s mail and passenger service between Stavanger and Bergen. From difficult anchorages, over difficult terrain and frequently in marginal weather, they operated with 94-4% regularity until the company was wound up in December 1920. A fourth Channel, believed to have been G-EAEM, was a dual control trainer for the Royal Norwegian Navy based at Horten.
G-EAEF, 'EG and 'EJ were shipped to Bermuda in April 1920 and spent the following winter in highly successful pleasure flying operations with the Bermuda and Western Atlantic Aviation Co. Ltd. One of several novel charters involved overtaking and landing alongside a United States bound steamship and transferring actress Pearl White. Shortage of spares ended their careers within a few months but ’EG was shipped to Trinidad in March 1921 to join two Channel Mk.IIs G-EAWC and 'WP.
  Powered by the 240 h.p. Siddeley Puma, these had strutted wing tip floats and watertight camera doors let into the hull bottoms. Flown by С. E. Ward and F. Bailey of Bermuda and Western Atlantic Aviation Co. Ltd., they prospected for oil in the Orinoco Delta, Venezuela, under the direction of Major Cochran Patrick. Neither carried markings and one was detached later for the aerial survey of Georgetown, British Guiana, but sank in the River Essequibo after colliding with driftwood.
  In May 1921 another unmarked Channel, actually G-NZAI, was shipped to Walsh Bros, and Dexter for the New Zealand Flying School, Auckland. It was a hybrid with 160 h.p. Beardmore and Mk.H airframe and made the first ever Auckland-Wellington flight on 4 October 1921 piloted by George Bolt. Early in July 1922 it was shipped to Fiji for a two-week, 1,000 mile, survey of the main islands of the group, flown by Capt. A. C. Upham and on its return was fitted with a 240 h.p. Puma and remained in service until 1926. Its hull was still used as a boat in 1943.
  Six more Channel Ils received certificates of airworthiness in 1920-21 for export without markings, including four for the Imperial Japanese Navy taken out by the British Aviation Mission, and one each for Cuba and Chile.

SPECIFICATION
   Manufacturers:
   The Supermarine Aviation Works Ltd., Woolston, Southampton, Hants.
   Power Plants:
   (Channel Mk.I) One 160 h.p. Beardmore.
   (Channel Mk.Il) One 240 h.p. Siddeley Puma.
   Dimensions:
   Span, 50 ft. 4 in.
   Length, 30 ft. 7 in.
   Height, 13 ft. 1 in.
   Wing area, 479 sq. ft.
   *Weights:
   All-up weight 3,400 lb.
   *Performance:
   Maximum speed 100 m.p.h.
   Ceiling 10,000 ft.
   Duration 5 hours.
   * Channel Mk.I.
   Production:
   (a) Channel Mk.I Ten aircraft of British registry listed in Appendix E.
   (b) Channel Mk.Il Two aircraft of British registry and the following for export: (c/n 1037), un­registered, C. of A. 13.7.20, British Controlled Oil Field Co., Trinidad; (1142), G-NZAI, 17.12.20; (1148), Imperial Japanese Navy, 3.1 2.21; (1149), unregistered, 24.8.21, Cuba; (1150 and 1155), Imperial Japanese Navy, 17.12.21; (1156), Imperial Japanese Navy, 20.12.21.

C.Owers - The Fighting America Flying Boats of WWI Vol.1 /Centennial Perspective/ (1)
The Admiralty Air Department A.D. flying boat used the Linton Hope method of construction and represented the future type of wooden construction that was to be used on the first Supermarine Southampton flying boats post-war. Supermarine received a contract for A.D. boats, the hulls being delivered to this firm where the wings, etc., were added.The prototype 1412 is illustrated here. Supermarine sold versions of the A.D. Boat as their Channel seaplane post-war.
Jane's All The World Aircraft 1919 /Jane's/
Three-quarter Rear View of a Supermarine-built A.D. Flying Boat of 1917 (prototype), with gunner in tandem in front of pilot. Pemberton-Billing went on to construct 27 for RNAS.
K.Wixey - Parnall Aircraft since 1914 /Putnam/
Once installed at the Admiralty, Harold Bolas became involved with design of the first A.D. flying-boat, a production version of which is shown here; N1522 of the RNAS.
O.Thetford - British Naval Aircraft since 1912 /Putnam/
C.Owers - The Fighting America Flying Boats of WWI Vol.1 /Centennial Perspective/ (1)
The A.D. flying boat had a Linton Hope designed hull. Supermarine "built" the type under Contract AS5388/17, (N1520-N1529). N1525 bears Supermarine's logo on the anti-skid fins that were fitted between the interplane struts.
A.Jackson - British Civil Aircraft since 1919 /Putnam/
G-EAED/N1529, the first civil Channel, leaving Southampton on the inaugural flight to Le Havre, August 1919.
H.King - Armament of British Aircraft /Putnam/
Supermarine Channel, with Lewis gun manned in bow. The gun has a 'single' (47-round) ammunition drum, and there are bomb-carriers under the wings.
Журнал - Flight за 1919 г.
Three-quarter front view of the Supermarine "Channel"-type flying boat which is being used for joy flips at Bournemouth, Southampton and the Isle of Wight
Журнал - Flight за 1919 г.
The Supermarine "Channel"-type flying boat, with Mr. and Mrs. Harry Tate and Mr. R. Tate on board ready for a flight. Comdr. B. D. Hobbs, D.S.O., D.S.C., the pilot, is standing beside the engine
A.Jackson - British Civil Aircraft since 1919 /Putnam/
Launching Channel G-EAEJ of the Bermuda and Western Atlantic Aviation Co. Ltd.
A.Jackson - British Civil Aircraft since 1919 /Putnam/
A Supermarine Channel Mk.I N-9, formerly G-EAEH, moored in Bergen Harbour while in service with Norske Luftreideri in 1920.
C.Owers - The Fighting America Flying Boats of WWI Vol.1 /Centennial Perspective/ (1)
Hull Comparison of RNAS Flying Boats
C.Owers - The Fighting America Flying Boats of WWI Vol.1 /Centennial Perspective/ (1)
Details of L. Hope Hull Design
C.Owers - The Fighting America Flying Boats of WWI Vol.1 /Centennial Perspective/ (1)
Details of L. Hope Hull Design
A.Jackson - British Civil Aircraft since 1919 /Putnam/
Supermarine Channel II