Hirth Aircraft Engines

F-33 2 cycle 28hp

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F-33 2 cycle 28hp

One little powerhouse of an engine. At only 35 lbs. this is one of the lightest singles you'll find anywhere. With 25ft. lbs. of torque, this engine packs enough punch to spin up the large props on your backpack parachute, tryke or legal 103 ultralight. Factory recommended TBO is rated at 1000 Hrs. @ 75% power. Standard equipment includes fuel pump, spark plugs, air filter, recoil starter, complete exhaust system and dual CDI ignition for added reliability. When ordered with optional electric start the starter solenoid and voltage rectifier/regulator are included. Standard mounting is plate type from bottom of engine. 

 

Engine Type:

2 cycle, single cylinder

Horsepower:

15hp @ 6000rpm

Torque:

19ft.lbs @ 6000rpm

Cooling:
Free air cooled  



F-23 2 cycle 50hp

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F-23 2 cycle 50hp

If you prefer an opposed cylinder engine, then this one's for you. The F-23 puts out an amazing 50hp at only 6150 rpm and provides 42ft/lbs. of torque. All with a total weight of only 84 Lbs.. This engine can handle any part 103 ultralight and most single seat experimentals. Opposed pistons cancel out each others internal inertia forces resulting in an amazingly smooth running engine.

Engine Type:Opposed - 2 cycle, two cylinderHorsepower:50hp @ 6150rpmTorque:42ft.lbs @ 6150rpmCooling:
Free air Cooled by prop blast 

2702 2 cycle 40hp

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2702 2 cycle 40hp

The 2702 is our small high torque low RPM engine. Like it's big brother, the 3202 it's a low RPM powerhouse, at an incredible 5500 rpm this little engine is producing 40hp and it's pumping out 39ft/lbs of torque at only 4500 rpm. The Hirth 2702 is ideal for single seat ultralight aircraft.

Engine Type:2 cycle, two cylinderHorsepower:40hp @ 5500rpmTorque:39ft.lbs @ 4500rpmCooling:
Optional, fan cooled or free air cooled by prop 

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