REFLECTOR: Piston

[John Dibble]

What techniques were used to balance your engine?

nmflyer1 at aol.com wrote:

> Have a good engine speed shop add some "heavy metal" to the wrist pin
> to get the weight right. They can get it exact. Don't use a discount
> engine shop, use a custom speed shop. My engine is balanced to less
> than 1/2 gram. Kurt
>
>
>
> -----Original Message-----
> From: John Dibble <aminetech at bluefrog.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Sent: Mon, Jul 11, 2011 7:33 pm
> Subject: REFLECTOR: Piston
>
>
> I'm replacing a piston.  The new one is 35 grams lighter than the old
> one.  I need to have the weight the same as the opposing piston.  I
> could machine the opposing one or replace it with a lighter one, but I'd
> prefer if I didn't have to.  Can I add weight inside the wrist pin of
> the lighter one?
>
> John
>
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