bugerdup

I have more then 3 gallons of fuel through mine on the bench, and it has calmed right down. When I first started and ran the engine for the first time, it would vibrate my field box right off the table. but now she runs quite smooth. It seems to be a 3D vibration coming from the torsional force of the prop and the unbalanced force of the piston and crank counter weight. I did buy a Great Planes rubber fire wall mount but have not tried it yet. The rubber grommets are very stiff with large mounting hardware. I know it says not to use one of these but what other choice do we have.

here is my set up on a Top Flite Corsair.