Item 0001

BUY: Engine - Reciprocating - 2-stroke - Hirth 3701 2-cycle, 80 hp

Note that the F 30 develops its maximum torque of 92ft/bs @ 4500rpm. GOOD

 

 

Drawing:

 

Notes:

High torque / low rpm; ~ Peak power - 80 Hp at 4500 RPM

3- cylinder, inline; Fuel injection; Water cooled;

99lbs With or without gears?

http://www.recpower.com/3701.htm

This engine should theoretically have good reliability. The ratio of reduction can be small, which will put the mast closer to the pilot's head. The length of 3-cylinders plus the centrifugal clutch will balance off the pilot's weight.

Source:

 

Hirth Engines

 

 

 

Hirth - 3701 - Recreational Power Engineering

C058

 

 

Hirth Australia

 

Has picture of fuel injected engine.

 

Hirth - - South Africa (maybe not)

 

 

 

Eastside Engine Repair Inc. (maybe not)

C108

Arlington, Washington

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Last Revised: June 16, 2008