Polikarpov PM-1
1925
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Polikarpov PM-1

A large single engine passenger aircraft, the prototype Polikarpov PM-1 flew for the first time on 10 June 1925. It was an unequal-span biplane with the upper wing connected directly to the upper decking of the fuselage. The pilot had an open cockpit just forward of the wing leading edge and the enclosed cabin accommodated five passengers. The 'M' in the designation arose from the single 194kW Maybach IVa inline engine which gave a maximum speed of 170km/h.

Successful flight testing brought an order for 10 aircraft to operate on the routes of the German-Soviet airline Deruluft, but as the result of a crash in Germany it is believed that most of the series aircraft were cancelled.

Polikarpov PM-1


Specification 
 CREW2
 PASSENGERS5
 ENGINE1 x Maybach, 190kW
 WEIGHTS
    Take-off weight2360 kg5203 lb
    Empty weight1380 kg3042 lb
 DIMENSIONS
    Wingspan15.5 m51 ft 10 in
    Length11.0 m36 ft 1 in
    Wing area38.5 m2414.41 sq ft
 PERFORMANCE
    Max. speed180 km/h112 mph
    Ceiling4100 m13450 ft
    Range w/max.fuel1200 km746 miles

Comments
jeff trost, 23.08.2013

Great job
Beautiful picture

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