Scooterotica

had a SIL flywheel lightened.
then had it cnc balance checked and it was found to be 7 grams out
flywheel has now been balanced
i would estimate the amount of metal removed was the equivalent of between a 10 and 50 pence piece

unfortunately i didnt check for balance before lightening as i would have had a good comparison - will do next time

worth thinking about if anyone getting a flywheel lightened on a lathe as balancing will dramatically reduce vibration

well, when you do mine mate you can do a before and after comparison

who did the work ?

YAMLAM wrote:well, when you do mine mate you can do a before and after comparison

how many lammys in the club lol

- gaz - got the operator at work to use one of the companies ones - was really suprised how far out a machined one was

I have no idea what the balancing machine would look like. Can you give me some clues?

Knowledge wrote:I have no idea what the balancing machine would look like. Can you give me some clues?

no worries martin - will take a pic next week as off work tomorrow



this was how much needed removing to completely balance the flywheel!

Knowledge wrote:I have no idea what the balancing machine would look like. Can you give me some clues?

Hey Martin, use ya Googles, there's heaps of boring videos on you-tube..

Ideally one would balance the flywheel,crank and front sprocket assembly all in one at the same time.. That's my top tip..

mickdale wrote:



this was how much needed removing to completely balance the flywheel!

Are you sure that he just didn't drop it and broke a piece off?

red ghost wrote:Ideally one would balance the flywheel,crank and front sprocket assembly all in one at the same time.. That's my top tip..

on the old lactating forum a guy who went by the user name of AIG had his complete top end "dynamically" balanced, the thread might still be available