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The SV-92 cowling feather-reversible puller hydromechanic coaxial propfan with hydromechanic RSV-27 governor for the NK-93 30,000 h.p. engine with superhigh by-pass ratio are intended for use in wide-body long-haul aircrafts at cruising speeds up to M=0,8.

 

Propfan has no analogues in the world and saves up to 15% of fuel in comparison with turbo-jet by-pass engine.

Wide-chord scimitar shaped blades of propfan are made of contemporary polymeric composites. The propeller is equipped with a thermal electric deicing system. Design of the blade assembly allows to replace blades directly at the time of exploiting.

The hydromechanic RSV-92 with electronic governor enables highly accurate pitch control of propfan, speed change and automatic holding of specified speed in electronic canal with precision of 0,5%, in reserve hydromechanic canal- 0,2%.

 Technical features:

Diameter, m 

2,9

Blades

8+10

Max. speed, RPM

1620

Propfan weight, kg

1000

Starting thrust, kgf

20000

Cruising efficiency (adiabatic) 

0,9

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Address: 6, Zhdanov Str., Stupino,
Moscow region, Russian Federation, 142800,
Tel.: (496) 642-33-30 Fax: (496) 642-04-24
Email: vint@aerosila.ru