Hirth 70 HP
aircraft engine, Hirth 3503 70 horsepower water cooled
aircraft engine - Recreational Power, Lightsport Aircraft Pilot News
newsmagazine.
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Lightsport
Aircraft Pilot is a directory of aircraft that generally fit
into what are described as ultralight aircraft, advanced ultralight
aircraft,
light sport aircraft, experimental light sport aircraft, experimental
aircraft, amateur built aircraft, ELSA or homebuilt
aircraft in the United States and Canada. These include
weight shift aircraft, more commonly known as trikes,
powered parachutes, and powered para-gliders.
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Hirth 3503 70
horsepower water cooled aircraft engine - Recreational Power
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Recreational Power, the U.S. distributor for the
Hirth line of aircraft engines unveiled their latest additions the 3502
and 3503. These engines have been specifically designed so that they will
mount right into an aircraft currently using a Rotax 582.
The 3502
produces 60hp at only 5000 rpm while building an impressive torque of 62
ft lbs. at 4750 rpm. The 3503 produces 70 HP at 6500 rpm and 57 lbs of
torque at 6000 rpm.
The engines are available in both carbureted or optional fuel injected
versions, oil injection is also available as an option.
Weight for a complete engine package, which includes engine, gear box,
electric start and exhaust is just over 100 lbs.
Various exhaust and gear box ratio combinations are available. Factory recommended TBO is rated at 1200 Hrs. @ 75%
power. |
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Model: |
3502 |
Carburation: |
Dual 34mm slide or
optional electronic fuel injection |
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Engine Type: |
2 cycle, two
cylinder |
Fuel Pump: |
Auxiliary external
pneumatic - 12VDC with fuel injection |
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Bore: |
76mm |
Lubrication: |
Fuel mixed with oil
@ 50:1 /Blue Max @100:1 or optional oil injection |
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Stroke: |
69mm |
Rotation: |
Counter clockwise,
viewed from output end |
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Displacement: |
625cc |
Starter:
Alternator: |
12 volt electric,
recoil or both
250 watt/20 amp alternator standard |
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Compression: |
9.5:1 |
Cooling: |
Water cooled. |
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HP Output: |
60hp @ 5000rpm |
Weight: |
79 lbs-not
including radiator & coolant. Optional gearbox adds 19 lbs. |
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Torque: |
62ft/lbs @ 4750rpm |
Reduction Units: |
G-50 gearbox
available in 2.16:l, 2.29:l, 2.59:l, 3.16:l and 3.65:l ratios. |
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Ignition: |
Dual CDI
(Capacitive digital Ign.) |
Drive
Coupling: |
Elastomeric
dampener or optional centrifugal clutch. |
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Hirth 3503 70 horsepower water
cooled aircraft engine - Recreational Power |
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