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De Havilland DH9 Specification Sheet

Type

Two Seat Day Bomber /Reconnaissance

Accomodation

Tandem open cockpits for crew:

Pilot & Observer/Gunner

Power Plant

One 400 hp Liberty engine in the nose  driving two bladed propellor

Armament  

One forward firing Vickers. Lewis gun for gunner.  

660 lb bomb load

Wing Span

45 ft 11 in

Height

11 ft 4 in

Length

30 ft 3 in

Weight Empty

2,800 lb

All Up Weight

4,645 lb

Max Speed

114 mph at 10,000 ft

Endurance

 5.75 hr

Climb rate

15 min 10 sec to 10,000 ft

Max Ceiling

  16,500 ft

Description

The DH9 was once, aptly, described as a DH4 that had been officially interfered with so as to be suitable for mass   production and the B. H. P   Beardmore-Halford-Pullinger) motor. The chief alterations being the repositioning of the pilots cockpit to a point behind the centre section and a partially cowled motor with the radiator beneath the fuselage rather than behind the air screw. At the expense of top speed, the  load was increased by 500 lbs. The aircraft were slow and the BHP engine prone to failures. However over 2, 100 were produced by the end of the war.

Source

Matt Durrant - British Aircraft Directory