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Handley Page HP.25

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In 1923, the HP.22/23 motor glider was designed by W.H.Sayers, three were entered for the Lympne light aeroplane competitions of that year. In an attempt to improve the HP.22/23 performance, Harold Boultbee lowered the wing to a shoulder position, increased its incidence, faired the 397cc ABC into the nose, moved the wheels forward, and put a hinged lid over the cockpit.


The second machine, No.25, managed to fly nearly three laps of the Lympne course at full throttle on 11 October 1923, piloted by Gordon Olley, but loss of power forced its retirement.


On a second attempt on 13 October, No.25 was blown to the ground after take-off and its wing was smashed. The third machine was not ready in time.

 


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