Technical data
Function Trainer
Year 1912
Crew 2 (up to 5)
Engines 1*100hp NAG
Length 8.3m
Wingspan 11.8m
Wing area 50.0m2
Empty weight 480kg
Loaded weight 720kg
Wing Load (kg/m2) 14.4
Power load (kg/hp) 7.2
Ceiling 2100m

'Wright' by V.M.Abramovich

"History of aircraft construction in the USSR", Vol.1 p.128;

Vsevolod Mikhailovich Abramovich studied art of flying in Germany on 'Wright' airplane built on German factory. Since 1911 he was working on this factory.

After gaining some skills, he built aircraft which used some technologies of German 'Wright' (not for good!) but of different size and general layout. Front biplane elevator was replaced by normal tailplane and elevator. Wheel landing gear was introduced. More powerful engine installed, driving both propellers with a single chain. Engine, passenger and pilot were 'seated' along the front edge of the lower wing.

Controls of the aircraft were unusual: wing wrapping was performed by right lever (forward-backward). On the top of this lever was a rudder control lever (right-left). Elevator was controlled by left hand lever (forward-backward). No pedals used!

Aerodynamic of the aircraft was below any criteria. Engine, pilot, passenger all were in airflow, no fairings used on struts...

'Wright' aircraft were known to be a fragile machine, but German built were yet more unreliable. Several times Abramovich had parts of aircraft broken in flight. Once wing ribs started to break one after another. Pilot barely managed to bring disintegrating machine to the ground - and it literally fell apart.

On such a machine V.M.Abramovich set an altitude record (with passenger, Summer 1912) - 2100m. Later same year he flew his aircraft from Berlin to St.Petersburg to participate in Military Aircraft Contest. This flight lasted for 24 days, because required repairs after almost every landing. On the contest not a single requirement was fulfilled, despite V.M.Abramovich performed several outstanding flights.

On September 11, 1912 he set World Record for flight endurance with four passengers - 45m in 57sec.

On April 11, 1913 V.M.Abramovich took of for his last fatal flight. It was a training flight with E.M.Shakhovskaya (one of the first Russian female pilots). Her error resulted in a crash killing the instructor. E.M.Shakhovskaya suffered only minor injures...



References:
  • "History of aircraft construction in the USSR", Vol.1 p.127-129;

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