Armstrong Whitworth F.K.9 Aircraft

Production Details

Design Company:

Sir W.G. Armstrong Whitworth & Co Ltd

First Flight:

Late 1916

F.K.9:

1 - Armstrong Whitworth, Gosforth

Type Specification

Applies to:

Armstrong Whitworth F.K.9

Type:

Two seat fighter quadruplane

Wing:

Heavily staggered single bay quadruplane. Top two wings and bottom wing carried on struts away from fuselage, remaining wing passes through middle of fuselage. Single interplane strut supporting outer wings

Fuselage:

Slender rectangular fuselage tapering to tail

Tail Unit:

Monoplane type wire braced tailplane and elevator attached at top of fuselage. Fins above and below fuselage with balanced rudder

Landing Gear:

Gear consists of two wheels mounted on legs with cross axle. Legs held in position by wire bracing. Single tail skid fitted to lower fin

Power Plant:

One 110 hp Clerget 9 cylinder rotary engine

Accommodation:

Pilot seated in cockpit immediately behind engine, forward of wing. Observer seated behind wing structure

Armament:

One fixed forward firing Vickers machine gun. Observer provided with moveable Lewis gun

Span:

27 ft 9 in

Length:

25 ft 10 in

Height:

11 ft 4 in

Wing Area:

355 sq ft

Empty:

1,226 lb

Max:

2,038 lb

Max Speed:

100 mph at sea level

Climb:

12.5 min to 6,000 ft

Service Ceiling:

13,000 ft

Endurance:

3 hr

Preserved in British Museums

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