Motor 3702

Engine: H 37

 

Type: in-line engine

Cylinder: 3

Displacement: 939 cm³

Max. performance:66,6 kW (90,6 HP)

Max. torque:123 Nm

Cooling: water cooling

Weight: 50 kg (with muffler, add-on parts and water in the engine)

Starting device: electric starter included

Additional contained standard: dual ignition, suction pipe injecion, separate lubrication

Options:  gear box G50 with or without centrifugal clutch (only 2,16:1, 2,29:1 and 2,59:1)

The H 37 E is a water cooled, reed valve controlled 3-cylinder-inline-2-stroke engine with electronic fuel injection and Nikasil coated cylinders. It has one of the highest power to weight ratio available on the 90 HP engine market.
Ideally suited for light helicopters and all applications where weight is an issue and constant revolutions.
Factory recommended TBO is rated at 500 hours at 75 % power. The warranty of the crank shaft is 3 years.
 

Since 2003:

new UAV-engine 4201