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Hummelbird Engine Vibration Problem - Need Help??
I have just completed building (from plans) a tri-gear Hummelbird with a 2-cylinder 40 HP Mosler engine. Her first test flight was completed successfully; however the engine vibration seemed somewhat excessive. Has anyone else had a similar experience with a 2-cylinder engine (Mosler or half-VW) on a Hummelbird? Any comments, suggestions, input etc. would be MOST appreciated.
Last edited by Plegg; 10-30-2012 at 03:37 PM.
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