Hirth F-30 85 HP ultralight engine, Hirth F-30s 2 cycle 110 HP ultralight aircraft engine.

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Hirth F 30 on Top Gun Paraski powered parachute.

Hirth F-30 2 cycle 85hp aircraft engine.

The F30 is a special design, high torque, low Rpm version of the 110 Hp F30S. Peak torque is developed at 1000 Rpm less than the F30S , allowing cruise speeds at very low Rpms, resulting in very quiet and smooth operations.

Factory recommended TBO is rated at 1200 Hrs. @ 75% power.

F30 80 Hp shown with optional fan cooling and G-40 gearbox.

The F30 incorporates Al-Nikasil coated cylinders for superior performance and reliability. Al-Nikasil in simple terms is a nickel based material, applied in a paste form, when super heated it becomes part of the cylinder itself.

Al-Nikasil provides for a super low coefficient of friction, reducing engine heat and wear. The pistons and cylinders expand at the same rate thus providing for a seizure resistant engine. F30 crankshaft is 4130 chromoly steel.

Heads, cylinders, rings, block casting, connecting rods and associated components are all of the highest grade alloys available.

Model:

 F-30/F30E

Carburation:

 Dual 38 mm diaphragm type or optional fuel injection .

Engine Type:

 2 cycle, four cylinder

Fuel Pump:

 Auxiliary external pneumatic

Bore:

 72mm

Lubrication:

 Fuel mixed with oil @ 50:1

Stroke:

 64mm

Rotation:

 Counter clockwise, viewed from output end

Displacement:

 1042cc

Starter:
Alternator:

 12 volt electric, optional recoil
250 watt/20 amp alternator standard

Compression:

 9.5:1

Cooling:

 Free air cooled, optional fan cooling available

F30E Fuel Injected

F30 Carburated

 90Hp@5500rpm 85HpW/fan cooling

85Hp@5500rpm 80Hp W/fan cooling

Weight:

 105 lbs. including complete exhaust & starter, 129lbs with gearbox, full exhaust, and electric start. Fan cooling adds 8.5 lbs.

Torque:

 78ft/bs @ 4500rpm

Reduction Units:

 G-40 gearbox available in 2.03:l, 2.25:l, 2.64:l, 2.96:l and 3.33:1 ratios. (centrifugal clutch optional) (Optional cogbelt drive also available)

Ignition:

 Dual CDI
(Capacitive digital Ign.)

Drive Coupling:

 Elastomeric dampener or optional centrifugal clutch
Recreational Power Engineering 5479 E. Co. Rd. 38, Tiffin, Ohio 44883
 419-585-7002
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