Hirth F-23, Hirth twin cylinder 2 cycle
50hp aircraft engine.
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Ultra Sport Helicopter's with Hirth F-23 engine.
If you prefer an opposed cylinder engine, then this
one's for you. The F- 23
puts out an amazing 45hp at only 5500 rpm and provides 40ft/lbs. of torque
at 4500 rpm. all with a total weight of only 87 Ibs.
This engine can handle any part 103 ultralight and most
single seat experimental aircraft. Now available with improved gearbox and
dampener system.
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Model: |
F-23 |
Carburation: |
Dual 34mm slide or optional diaphragm
carbs or optional electronic fuel injection |
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Engine Type: |
Opposed - 2 cycle, two cylinder |
Fuel Pump: |
Optional auxiliary external pneumatic |
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Bore: |
72mm |
Lubrication: |
Fuel mixed with oil @ 50:1 |
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Stroke: |
64mm |
Rotation: |
Counter clockwise, viewed from output
end |
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Displacement: |
521cc |
Starter:
Alternator: |
12 volt electric, optional recoil
250 watt/20 amp alternator standard |
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Compression: |
9.5:1 |
Cooling: |
Free air Cooled |
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HP Output: |
50hp @ 6150rpm |
Weight: |
84lbs, including reduction unit, full
exhaust, and electric start |
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Torque: |
42ft.lbs @ 6150rpm |
Reduction Units: |
Multi grove belt drive or G-40 gearbox |
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Ignition: |
Dual CDI
(Capacitive digital Ign.) |
Drive Coupling: |
Elastomeric dampener or V-belt |
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Recreational Power Engineering
5479 E. Co. Rd. 38, Tiffin, Ohio 44883
419-585-7002
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