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Short Type 74 / Type 81 Folder

Страна: Великобритания

Год: 1913

Single-engine, two-seat, two- or three-bay biplane torpedo-carrying seaplane

Short - S.80 / S.81 - 1913 - Великобритания<– –>Short - Type 135 / Type 166 - 1914 - Великобритания

F.Manson British Bomber Since 1914 (Putnam)

Short Folder Seaplanes

  Following the visit by the American pioneer pilot, Wilbur Wright, to Europe in August 1908, the Leysdown-based manufacturer Short Bros acquired the British licence rights to construct a small number of Wright Flyers and, during the next four years, embarked on the production o f original tractor and pusher aeroplanes to the orders of various British private owners. By 1912 the Board of Admiralty had become sufficiently interested in the potential of the float-equipped seaplanes, which were being advocated by Horace Short, to order a number of Short aeroplanes for the newly-established Naval Wing of the Royal Flying Corps.
  Early in 1913 Horace Short drew up and patented a system whereby the wings of his seaplanes could be folded aft, thereby enabling them to be accommodated aboard naval vessels. Thereafter Shorts' Eastchurch works on the Isle of Sheppey became almost exclusively engaged in building a range of twin-float biplanes equipped with two-bay folding wings, the first being allocated the naval serial numbers 81 and 82 (Short S.63 and S.64 respectively), powered by 160hp Gnome engines. Four others, Nos 119-122, entered service at the RNAS Station, Isle of Grain, in May and June 1914.
  Following successful participation by No 81 in naval manoeuvres during July 1913, when it operated from HM Seaplane Carrier Hermes, Shorts produced three examples of a new version with three-bay wings, Nos 89, 90 and 186, and the last o f these was with the Calshot Flight, commanded by Sqn-Cdr A M Longmore, RN (later Air Chief Marshal Sir Arthur, GCB, DSO, RAF), during the Royal Naval Review at Spithead on 18-22 July 1914. Immediately after the Review, the First Lord of the Admiralty, Winston Churchill, discussed with Longmore the possibility of adapting a Short Folder, No 121, to deliver an aerial torpedo. (The Sopwith Special Seaplane and Type C had been fitted with a 14in naval torpedo some months earlier, but the weapon had not yet been flow n by these aircraft.)
  Within a week Horace Short had completed the necessary drawings and new cross-beams had been fitted between No 121 's floats to enable a torpedo to be carried on crutches, clear of the water, and on 28 July the first torpedo drop by a British aircraft was made by Longmore at Calshot. (Although Longmore reported that he made the first drop on this day, an account, written long afterwards by Oswald Short, claimed that Gordon Bell, the company's staff pilot, had made a drop on the previous evening, albeit only after two attempts to coax the Gnome-Short into the air.
  None of the Short Folders was ever used to deliver a torpedo against the Germans after the outbreak of the First World War, although at least two other aircraft were modified to carry the weapon. The Admiralty decided instead to depend on aerial bombs; in any case the Gnome-powered Folder was unable to take off with its second crew member while carrying the torpedo.
  Two Folders, Nos 119 and 120 (flown by Flt-Cdr Robert Peel Ross RN [later Air Cdre, DSO, AFC, RAF], and Flt-Lt Arnold John Miley RN [later Gp Capt, OBE, RAF], respectively) accompanied HMS Engadine for the bombing attack against Cuxhaven on Christmas Day 1914. Three other Folders, Nos 811,814 and 815, powered by 100hp Gnome monosoupape engines, also took part in this raid (Short Admiralty Type 74, see below).
  Nos 120-122 were shipped to Durban in 1915 aboard the armed liner Laconia for operations against the German light cruiser Konigsberg, trapped in the Rufiji delta, but, in the hot humid climate prevailing, proved incapable of taking off with bombs.

  Type: Single-engine, two-seat, two- or three-bay biplane torpedo-carrying seaplane.
  Manufacturer: Short Brothers, Eastchurch, Isle of Sheppey, Kent.
  Powerplant: One 160hp Gnome 14-cylinder rotary engine driving two-blade propeller.
  Dimensions: Span, 56ft 0in; length, 39ft 0in; wing area, 550 sq ft.
  Weights: Tare, 2,400 lb; all-up (with 14in torpedo), 3,830 lb
  Performance (without torpedo): Max speed, 78 mph at sea level; climb to 3,000ft, 5 min 30 sec; endurance, 5 hr (about 30 min with torpedo).
  Armament: No gun armament. Four 112 lb bombs or one 810 lb Admiralty torpedo.
  Prototype and Production: Admiralty No 81, first flown by Cdr C R Samson in July 1913. Total of nine 'Folders' built, Nos 81, 82, 89, 90, 119-122 and 186. No 121 first flown with torpedo by Sqn-Cdr A M Longmore on 28 July 1914.
  Summary of Service: Short Folders served at RNAS Stations at Isle of Grain, Westgate and Calshot, and aboard HM Seaplane Carriers Engadine, Empress and Riviera. Three aircraft served with the RNAS detachment to Niororo Island, East Africa, in operations against German light cruiser Konigsberg in 1915.

Short Admiralty Type 74

  As was a fairly common practice at the time, the Short Admiralty Type 74 Seaplane took its designation from the serial number of a representative production example, in this instance the first such aircraft completed.
  Bearing a marked resemblance to an earlier Short design, the Biplane No 42, though initially with three-bay nonfolding wings, the Type 74, No 74, was first flown by Gordon Bell on 4 January 1914, being followed by Nos 75-80 during the next four weeks. Powered by 100hp Gnome ten-cylinder rotary engines, the Type 74 followed the customary Short construction of box-girder fuselage with aluminium nose panels, ply-covered cockpit panels and fabric-covered rear fuselage. However, despite the successful use of double-acting ailerons in earlier aircraft. Shorts reverted to the single-acting type in the Type 74.
  These first seven Type 74 seaplanes served with the RNAS at Grain and Dundee during 1914, four of them taking part in the Royal Naval Review at Spithead in July. They were followed by eleven further 100hp Gnome-powered examples, Nos 180, 182, 183 and 811-818 - the latter batch being equipped with folding wings. Unlike the earlier 'Folders', none was converted to lift a torpedo, owing to the lack of engine power; instead they were adapted to carry a pair of bombs, usually of 100 lb or 112 lb.
  Three of the 100hp Gnome Folders, Nos 811 (Flt-Lt C H K Edmonds), 814 (Flt Sub-Lt V Gaskell-Blackburn) and 815 (Flt-Cdr D A Oliver) took part in the raid against the Zeppelin sheds at Cuxhaven on Christmas Day 1914; however, the pilots failed to find their intended targets, and attacked other installations along the Kiel canal with only limited success.

  Type: Single-engine, two-seat, three-bay biplane coastal patrol twin-float seaplane.
  Manufacturer: Short Brothers, Eastchurch, Isle of Sheppey, Kent.
  Powerplant: One 100hp Gnome ten-cylinder rotary engine driving two-blade propeller.
  Dimensions: Span, 57ft 0in; length, 39ft 0in; wing area, 580 sq ft.
  Weights: Tare, 2,100 lb; all-up, 2,700 lb (without bombs).
  Performance: Max speed, 65 mph at sea level; endurance, 5 hr (45 min with light load).
  Armament: No gun armament. Bomb load of up to two 112 lb bombs carried externally.
  Prototype and Production: Admiralty No 74 first flown in January 1914 by Gordon Bell, followed by seventeen similar examples, Nos 75-80,180, 182, 183 and 811-818 (the last eight with folding wings). Nos 811, 814 and 815 accompanied HM Seaplane Carriers Arethusa, Engadine and Riviera for bombing raid against Cuxhaven on Christmas Day, 1914.

P.Lewis British Bomber since 1914 (Putnam)

This advance Christmas present for the Germans heralded a spectacular, daring and carefully-planned R.N.A.S. raid which took place on 25th December, 1914, and was launched against the Zeppelin hangars at Nordholz, south of Cuxhaven, and had the double purpose of reconnoitring the enemy shipping and installations at the mouth of the River Elbe, in the Schillig roads and at Wilhelmshaven. Nine seaplanes were transported in three carriers, the Empress, Engadine and Riviera, escorted by the light cruisers H.M.S. Arethusa and H.M.S. Undaunted and a protective force of eight destroyers of the Third Flotilla and submarines which departed from Harwich at 5 a.m. on 24th December. By 6 a.m. on Christmas Day the expedition was some twelve miles north of Heligoland. Just after 7 a.m., in very cold weather, seven out of the nine aircraft took-off from the calm water and headed for Cuxhaven. The remaining two aircraft failed to rise and were again taken aboard the carriers. The supporting ships cruised about awaiting the return of the seven seaplanes so that they and their crews could be picked up, but it was not until 10 a.m. that three of the machines returned. Able to linger no longer, the main force headed homewards, but three more of the awaited pilots were later rescued by E.11 one of the British submarines. The fourth machine had alighted on the water, and the pilot was held for a while in Holland after rescue by a Dutch trawler. It transpired that heavy fog and mist had combined to prevent the Zeppelin sheds being located, but the machines had instead dropped their bombs on ships and gun emplacements at Wilhelmshaven and had brought back valuable details of the concentration of German shipping in the area.
  Among the floatplanes employed in the raid were three Shorts, Admiralty Type 74 - 811 flown by Flt. Lt. C. H. K. Edmonds, 814 Flt. Sub-Lt. V. Gaskell-Blackburn and 815 Flt. Cdr. D. A. Oliver. Short Brothers gave the type the designation Improved S.41, but its Admiralty Type 74 came from the initial serial of the first production batch.
  Although the designation implied a direct connection with the S.41 of 1912, there was little to support any such contention of relationship, the 100 h.p. Gnome constituting the main common factor. The 1913 Short Admiralty No. 42 showed a far more direct resemblance to the Type 74, a number of which had joined the Navy by the summer of 1914 before the start of the War. This latest Short floatplane’s appearance suggested that it was much sturdier than its predecessors from the same firm. The unequal-span, three-bay wings were unstaggered and had the fuselage mounted direct on to the lower pair. The overhang of the upper planes was strut-braced, split pairs of wide-span ailerons without balance cables being incorporated also only in the top surfaces. The crew were accommodated in tandem in cockpits without the benefit of a deck coaming. The Type 74’s main undercarriage consisted of a pair of unstepped pontoon floats, supplemented by a tail float and a cylindrical air-bag under each lower wingtip.
  Included also among the seven aircraft which took-off to attack Cuxhaven on 25th December were two Short Folder Seaplanes - Nos. 119, flown by Flt. Cdr. R. P. Ross, and 120, pilot Flt. Lt. A. J. Miley. Generally reminiscent of the Type 74, the first Folders built had two-bay wings of 56 ft. upper span, but later examples appeared with an upper span of 67 ft. and three bays. These last versions embodied facilities for folding the wings from the cockpit. A 160 h.p. Gnome was installed as the standard power plant, and the float arrangement followed that of the Type 74. Some of the Folders were equipped with crutches accommodating a 14 in. Whitehead torpedo, and external racks carried the bombs.

O.Thetford British Naval Aircraft since 1912 (Putnam)


  This was one of the earliest aeroplanes to incorporate folding wings. The first two Folders (Nos.81 and 82) had two-bay wings and were closely related to the S.41. Later Folders (including NO.119 shown in the photograph) had three-bay wings. The original Folder. No.81. took part in the Naval manoeuvres of July 1913 and carried an early type of wireless transmitter. On 28 July 1914 a Short three-bay Folder (No. 121) from Calshot flown by Sqn Ldr A M Longmore made the first successful air-torpedo drop in Great Britain. The weapon used on this historic occasion was a 14 in torpedo which weighed 810 lb. Two Short Folders (Nos.119 and 120) were among the seven RNAS seaplanes which raided Cuxhaven on Christmas Day, 1914. One 160 hp Gnome engine. Maximum speed, 78 mph. Span (three-bay version), 67 ft. Length, 39 ft.


  Also known as the Improved S.41, this seaplane entered service with the RNAS in 1914 and took part in the Naval Review of July. Serial numbers allotted were Nos.74 to 80, 183 and 811 to 818. Three Type 74 seaplanes (Nos.811, 814 and 815) joined four other seaplanes in the historic raid on Cuxhaven from the carriers Empress, Engadine and Riviera on Christmas Day, 1914. The Type 74 had a 100 hp Gnome engine but two later examples (Nos.78 and 79) were powered by 160 hp twin-row Gnome engines.

H.King Armament of British Aircraft (Putnam)

Short Tractor Seaplanes. 'A certain 160 hp Short seaplane', identified by C. H. Barnes in Shorts Aircraft since 1900 (Putnam, 1967) as No.121, was a third type of Short aircraft to play a pioneering part in the development of aircraft armament, for it was this machine that was earmarked by Sir Arthur Longmore for the earliest British torpedo-dropping trials. These were made at Calshot in July 1914 with a 14-in torpedo. Although crutches are said to have been attached to each of two specially arched cross-bars, hastily designed by Horace Short, early drawings, which it is intended to reproduce in Volume 2, show a seaplane of Short type having cross-bracing of X form, the torpedo being carried at the apex of the lower inverted V. The release mechanism was designed by Lieut D. Hyde-Thomson, who also adapted the torpedo.
  Four other Short seaplanes of the type used in the Calshot experiments are said to have been arranged for torpedo-dropping at a later date, and aircraft having the Service numbers 178 and 186 have been associated with torpedo installations, the latter being listed as 'Type B'. This designation is of particular interest having regard to the Sopwith torpedo seaplane known as the 'Type C'.
  On the Short tractor seaplanes, bombs were carried loose or on carriers. One identified load was one 100-lb bomb and four of 20 lb.

M.Goodall, A.Tagg British Aircraft before the Great War (Schiffer)

Deleted by request of (c)Schiffer Publishing

P.Lewis British Aircraft 1809-1914 (Putnam)

Short Folder Seaplane

  During 1913 Horace Short devised a method of folding the wings of the firm's seaplanes by hinges on the rear spar and bayonet joints on the front spar for locking when open. The first example was No. 81, which went into service in the summer of 1913, to be followed soon after by No. 82. Both were two-bay biplanes, but they were similar in appearance to the Type 74, which they preceded in use. No. 81 was attached to the seaplane carrier H.M.S. Hermes for the 1913 Fleet Manoeuvres. It was equipped with Rouzet wireless and made two successful reconnaissance flights on 21st June, 1913. Nearly six weeks later, on 1st August, Cdr. C. R. Samson, R.N., was forced to land No. 81 in the North Sea, and the floats were wrecked.
  Later production Folders were given three-bay wings which could be folded from the cockpit. Exhaust gases were collected by a funnel-type stack and deflected over the upper wings. A Folder flown by Sqn. Cdr. A. M. Longmore made the first drop of a torpedo from the air in Great Britain on 28th July, 1914, with one of 14 ins. diameter and 810 lb. in weight. A 160 h.p. fourteen-cylinder Gnome engine powered the Folder. Span (two-bay), 56 ft.: (three-bay), 67 ft. Length, 39 ft. Weight empty (two-bay). 2.000 lb.; (three-bay), 3,040 lb. Maximum speed (three-bay), 78 m.p.h. Endurance, 5 hrs.

Short Admiralty Type 74

  The Admiralty Type 74 took its designation from the serial number of the first of the type's production batch. Although known by Short Brothers as the Improved S.41, there was little connection between the two machines except for the fact that both used the 100 h.p. Gnome engine. The Type 74 was far closer in appearance to the Admiralty No. 42, but had three-bay wings.
  After its debut in 1913 the Type 74 went into use the following year with the R.N.A.S. and took part in the Spithead Naval Review held in July, 1914. It was flown later on coastal patrols from Calshot, Dundee, Isle of Grain and Leven. Illustrated is No. 76 afloat at Gravesend piloted by Cdr. C. R. Samson, with Winston Churchill as his passenger.

P.Lewis - British Aircraft 1809-1914 /Putnam/
M.Goodall, A.Tagg - British Aircraft before the Great War /Schiffer/
Short S.64 (RNAS No.81) The first machine with folding wings known as Admiralty Type 74. Improvements were built into later batches.
F.Manson - British Bomber since 1914 /Putnam/
An early two-bay Short Folder seaplane employing Short's patented wing-folding system; note the single-acting ailerons which conveniently permitted the necessary clearance of the tail unit when folded.
P.Lewis - British Bomber since 1914 /Putnam/
Short Folder Seaplane.
O.Thetford - British Naval Aircraft since 1912 /Putnam/
M.Goodall, A.Tagg - British Aircraft before the Great War /Schiffer/
Short S.83 (RNAS No.120) A batch of four built in 1913-1914 were identified as Admiralty Type 81 and were three bay versions of the Type 74 Folder.
F.Manson - British Bomber since 1914 /Putnam/
Three-bay Short Folder No 120 at the RNAS Station, Westgate, in about September 1914. It had previously been at Calshot where it had been flown on 21 July with a dummy torpedo, weighing little more than 500 lb; as far as is known it never flew with the real 810 lb weapon, but this was said to have been due to a recalcitrant engine. No 120, carrying bombs and flown by Flt-Lt Arnold John Miley RN, accompanied the raid against Cuxhaven on Christmas Day, 1914.
Jane's All The World Aircraft 1919 /Jane's/
Short "folder" seaplane.
M.Goodall, A.Tagg - British Aircraft before the Great War /Schiffer/
Short S.69 Admiralty Type 74 (RNAS No.74).
O.Thetford - British Naval Aircraft since 1912 /Putnam/
An early Admiralty Type 74, No 76, without folding wings; this type was adapted in 1915 to carry up to a pair of 112 lb bombs.
M.Goodall, A.Tagg - British Aircraft before the Great War /Schiffer/
Short S.115 (RNAS No.818) was one of a batch of Type C folder seaplanes based on S.69 Admiralty Type 74.
Jane's All The World Aircraft 1919 /Jane's/
Diagram of Short "folder" Seaplane - as published in March, 1914. Details of further improvements cannot be given during the war.
F.Manson - British Bomber since 1914 /Putnam/
Short Folder (Two Bay)