There is a machine that will allow the entire rotating assembly, from
front to rear, to be spun and then balanced.
Lester
On Apr 13, 2010, at 11:21 AM, jjj@acsnet.com wrote:
> Thanks for all the excellent comeback on this. I understand balancing
> everything that is immovable but I have never understood balancing the
> crank itself. I'm sure there is plenty of info on this so pls don't
> waste
> to much time on it but can someone give a concise answer on
> balancing the
> crank.
> I assume that counterweights are fitted to the rod journal's but I
> have
> never understood how that weight is determined. You are dealing with a
> mass[rod and piston] that is constantly changing its distance from the
> center of rotation and hence its crank counterwieght requirement. I
> assume the goal is just something that limits the stress'es. Is the
> fitted counterwieght a certain percentage of the rod and piston
> weight or
> what?
>
> Kurt.
> _______________________________________________
>
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage:
>http://autox.team.net/mailman/options/spridgets/oldsaabguy@comcast.net
_______________________________________________
Donate: http://www.team.net/donate.html
Suggested annual donation $12.75
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|