Sachs 5.8 Vibration
03-18-2009, 10:27 PM
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Sachs 5.8 Vibration
Hello everyone...have picked up a Sachs 5.8 (95cc) for a Corsair build. I've heard a lot of bad things about vibration with this engine...It does appear to vibrate a pretty good amount in mid range. Props and spinners are balanced impeccably, it's hard mounted and everything is secure...anyone have some suggestions for me? Thanks in advance for the help!!
03-19-2009, 05:17 PM
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RE: Sachs 5.8 Vibration
Mid range should be from about 3,500 to 4,800 unless that beast will turn above 8,000 on a 26-10 prop. Try installing the prop with the heavy blade opposite the piston position and see if one cancels out the other somewhat. There's no such thing as a well balanced single cylinder engine.
