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Aviation History
1931
1931 - 1263.PDF
FLIGHT, DECEMBER 4, 1931 Bristol Type US General Purposes Aircraft Span top wingsSpan bottom wings Length over allHeight (tail down) IN countries all over the world there is a call for anaircraft of high performance, designed and equippednot only for a specialised purpose, but capable ofcarrying out with sound efficiency the many duties an aircraft may be required to perform. For some con-siderable time past the question has been onewhich has received the close attention of the" Bristol " design and development departments,and the Type 118 is the result. Normally carrying a crewof two, a pilot and an observer—the latter alsocarrying out the duties of rear gunner, bomber andwireless operator — the machine can also carry, inaddition, two stretcher cases, so that it can beused as an ambulance air- craft for vthe evacuation ofsick and wounded, as well as for its active fightingfunctions. One stretcher case is accommodated inthe bombing station, and the second on the top ofthe fuselage aft of the rear cockpit. The machine is a two-s e a t e r (single-engined) tractor biplane, with stag- BRISTOL 118 G.P. AIRCRAFT Bristol " Jupiter " X.FA. Engine Principal Dimensions 3,300 lb. (1 500 kg.) 5,200 lb. (2 360 kg.) WeightsEmpty Total loaded weight Performances (With " Bristol " Jupiter X.FA. Engine) Speed ground level bomber and wireless operator. The pilot is seated justaft of the top centre section trailing edge, and the observer's cockpit is immediately behind the pilot's. Withthe seat folded and the floor pushed aft in slides, the observer can reach the bombing station through a " tunnel " beneath thepilot. This station is in the nose of the machine,immediately aft of the engine mounting. In addi-tion to the " stretcher carried, one in the bomb-ing station and one on the top of the fuselage aft ofthe rear cockpit. A sec- tion of the fairing is made 40 ft. 8 in.28 ft. 8 in. 34 ft. 0 in.12 ft. 0 in, (12,4 m.)(8,74 m.) (10,36 m.)(3,66 m.) crew, two cases " may be At 12,000 ft. 16,000 ,,20,000 ,, To 10,000 ft.,, 15,000 „ ,, 20,000 ,,Ceiling (266(257 (243 140 m.p.h. (225 km./h.)165 160 151 Climb (At 5,200 lb. weight) (3 050 m.) .. 10 (4 570 ,, ) (6 100 ,, ) •6 minutes 16-5 22-1 25,600 ft. (7 800 m.) C.P. forward . .C.P. back Terminal nose diveLanding gered planes, the top planehaving a larger span and chord than the lower." Frise " ailerons are fitted to the top planes only.The tail-plane setting is adjustable. Shielded horn balances are incorporated inthe elevators, and the rudder balance is shielded by the fin, which is offset. Brakes are fitted to the undercarriage,which is of the divided type. A Bristol " Jupiter " X.FA. or a Bristol " Mercury " engine is installed, driv-ing a 12-ft. diameter two-bladed propeller. A crew of two is normally carried: A pilot, and anobserver who also carries out the duties of rear gunner, Load Factors (At 5,200 lb.) quickly detachable to accommodate the latter. Equipment Guns.—One V i c k e r s0.303-in. gun on the port side is operated by thepilot, and provision is made for 600 rounds ofammunition. The gunner operates the Lewis 0.303-in. gun mounted on a balanced-type Scarff ring,with stowage for six double drums of ammunition. Bombs.—Racks are pro-vided on the bottom of the fuselage for carrying alter-native loads of bombs, namely, (1) 16 of 20 lb.,or (2) four of 112 lb., or (3) two of 230 lb. or 250 lb.In addition five practice bombs are carried in a ..I crate beneath the fuselage.Both pilot and bomber are provided with salvo-selector release gears.Camera.—Provision is made to carry a type P.24 camera on an adjustable and detachable mounting, imme-diately forward of the bombing station. This can be operated from the bombing station or by the pilot. Wireless.—The " three-panel " system is provided for,and stowage arranged aft of the rear cockpit. The pilot THE BRISTOL TYPE 118: This side view gives a good idea of the general lines of the machine. 1185 B 2
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