De Havilland Derby Aircraft

Production Details

Design Company:

The de Havilland Aircraft Co. Ltd, Stag Lane Aerodrome, Middlesex

First Flight:

13 October 1922

D.H.27 Derby:

2 - De Havilland Aircraft Co Ltd

Type Specification

Applies to:

De Havilland D.H.27 Derby

Type:

Heavy day bomber to Air Ministry Specification 2/20

Wing:

Two bay, unswept, unstaggered biplane. Wooden structure with fabric covering. Ailerons on upper and lower wing

Fuselage:

Plywood covered fuselage mounted onto lower wing

Tail Unit:

Monoplane type mounted at base of fin, single fin with balanced rudder

Landing Gear:

Divided type. Consists of two legs mounted under the bottom wings, and two axles and radius rods hinged to pillars under the wing roots

Power Plant:

One 650 hp Rolls-Royce Condor III engine in the nose driving a four bladed airscrew

Accommodation:

Three crew, pilot in open cockpit ahead of the wings, navigator/bomb aimer in cabin between the wings and gunner in cockpit on top of fuselage aft of the wing

Armament:

Lewis gun on Scarff mount for gunner and single heavy bomb between undercarriage units

Span:

64 ft 6 in

Length:

47 ft 4 in

Height:

16 ft 10 in

Wing Area:

1,120 sq ft

Empty:

6,737 lb

All-up:

11,545 lb

Max Speed:

105 mph

Preserved in British Museums

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