Backcountry Pilot • Best 2 place LSA to put on floats for a Fat Guy

Best 2 place LSA to put on floats for a Fat Guy

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Fri Mar 22, 2013 11:26 am

Re: Best 2 place LSA to put on floats for a Fat Guy

Does any one have any hands on experience with the new Hirth - 3003 100 -110 hp
Looks like a very nice set up?
GT
Model:
3003
Engine Type:
2 cycle, four cylinder
Bore:
72mm
Stroke:
64mm
Displacement:
1042cc
Compression:
9.5:1
3003 Fuel Injected: 3003 Carburated:
110Hp@6200rpm 105HpW/fan cooling 100Hp@6200rpm 95Hp W/fan cooling
ES Torque:
89ft/lbs @ 5700rpm
Ignition:
Dual CDI
(Capacitive digital Ign.)
Carburation:
Dual integral pumper-3003. Electronic fuel injection-3003
Fuel Pump:
Optional auxiliary external pneumatic /Electric on fuel injected ES
Lubrication:
Fuel mixed with oil @ 50:1
Rotation:
Counter clockwise, viewed from output end
Starter:
Alternator:
12 volt electric, recoil optional
250 watt/20 amp alternator standard
Cooling:
Free air, optional twin fan cooling
Weight:
105 lbs, including starter and complete exhaust, 129lbs with gearbox, full exhaust, and electric start. Fan cooling adds 8.5 lbs.
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)
Drive Coupling:
Elastomeric dampener or centrifugal clutch
M6RV6 offline
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Joined: Mon Feb 25, 2008 5:52 pm
Location: Rice Wa. 82WN Magee Creek AERODROME
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Fri Mar 22, 2013 12:54 pm

Re: Best 2 place LSA to put on floats for a Fat Guy

I personally have never owned one but I have 2 rather good friends who tried them. But were long time 2 stroke users and both did meticulous maintenance. Both had catastrophic engine failures. Both were lucky to walk away.
There is a reason that Rotax 2 strokes are so popular on ultralights and experimentals. They work, you can find parts, and they hold their value. I'm sure you can find people out there who have had good luck with Hirths but the incidents of failures reported on the forums and blogs seem to be higher for them.
They do look good on paper though.
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