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tbr

Wonky Flywheels

So tonight was the night I had planned to put my Artifact cage (thanks boff) into my golden gun, but first I had to remove the worker flywheels and Hellcats from the stock cage. After a lot of pushing and pulling I finally got everything separated. But now my flywheels are a little wonky and I was wondering what the best way to fix them would be? Unless it's simply not worth it. I thought a hair dryer and some gentle pressure would help to make them circular again?

OldNoob

They are now junk I am afraid. That's why I pull and fit them hot, pulling from the centre NOT the edge and why the Australians drill holes in their cages to push them off with screwdrivers like the undeveloped blacksmiths they are.
Unless you have a piece of perfectly flat steel with a hole for the spindle and an equally fiat ended piece of bar to go inside the flywheel, which you can heat then press and cool, which most people don't.
Boff

As ON says, fit hot, remove hot. I hear BSUK has some in stock if you need a UK supplier... Wink
tbr

Thanks for the info, I thought that might be the case, luckily I also have a set of flywheels coming with my dropleg Miranda.
Treezy

I wonder if putting them in the freezer will straighten them in the same way that putting plastic BMX mag wheels in the freezer straightened them?

[For those not in the know, the whole freeze a plastic mag wheel to straighten it was an urban myth; though it didn't stop people doing it!]
Northwind

OldNoob wrote:
They are now junk I am afraid. That's why I pull and fit them hot, pulling from the centre NOT the edge


What's the best way to pull them from the centre? Is there a better tool or is it just a pliars/moleys job? I've been heating mine and levering from both sides which has been effective but it definitely has the feel of something that could go wrong
OldNoob

I am a mole grips kind of guy! It doesn't look very nice, but works. MTB's method is also fine if you like making holes in cages.
Northwind

Cool, thanks for that- the idea offended my mechanical dignity a bit but if it works, it works.
OldNoob

It offends mine too, but it's all I have found that works reliably. Worst case is a little burring on the spindle.

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