Armstrong Whitworth F.K.3 Aircraft



Production Details

Design Company:

Sir W.G. Armstrong Whitworth & Co Ltd

First Flight:

August 1915

F.K.3:

150 - Armstrong Whitworth, Gosforth 350 - Hewlett & Blondeau Ltd, Luton

Type Specification

Applies to:

Armstrong Whitworth F.K.3

Type:

Two seat reconnaissance, bomber and trainer biplane

Wing:

Equal span two bay biplane with staggered mainplanes. Lower wing carried through lower fuselage, upper wing carried above fuselage. Top centre section is cut back to spars at the rear and is supported above fuselage on four centre section struts. Two pairs of interplane struts on either side of fuselage. Wing structure covered in fabric. Ailerons on all four wings

Fuselage:

Slender fuselage with front section covered in metal, rear in fabric

Tail Unit:

Normal monoplane type.Structure covered with fabric and wire braced. Tailplane carried at top of fuselage. Fin and balanced rudder

Landing Gear:

Cross axle type. Consists of two legs, with central Vee supporting axle. Skid forward of wheels to protect propeller. Rear skid

Power Plant:

One 90 hp RAF 1a 8 cylinder Vee, air cooled engine

Accommodation:

Two crew carried in single cockpit, pilot in front, observer behind

Armament:

One Lewis gun mounted on a pillar behind observers seat. Up to 112 lb of bombs carried under lower wing

Dimensions

Span:

40 ft

Length:

29 ft

Height:

11 ft 11 in

Wing Area:

457 sq ft

Weights

Empty:

1,386 lb

Max:

2,056 lb

Performance

Max Speed:

89 mph at sea level

Climb:

26.5 min to 6,500 ft

Service Ceiling:

12,000 ft

Endurance:

3 hr

Preserved in British Museums

None known

Web Sites

http://www.raf.mod.uk/rafwaddington/fk3.html