I haven't tried lightening the piston, but
have already considered and implemented
everything else you mentioned.

The last crash and the additional weight
in incurred did more to dampen the
vibration than anything except the lead
in the prop.

I plan to leave it the way it is now until
the engine or the plane is used up.

My other PAW engines will only be
side mounted in 4 channel planes,
so it will be the rudder servo that fails
and I will have a decent chance of
maintaining control.


Jenny

ps: I just remembered that PAW sent
a replacement steel carb when the
original aluminum one wore out from
excessive vibration. I'm sure they are
aware that vibration is a real issue for their
engines.