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Straightening mags in the freezer - urban myth??

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dordymush:
get it in the freezer and see what happens.

TwoBobRob:
OK,  I'll jump in.....  My opinion is this;

Freezer - bollocks. Urban myth. I think the wheels just contract a little with the temperature drop, i don't see how or why they would reshape....except;

I believe that all that can be done is to remove the tyre and tube and hang the wheel up somewhere by its axle.  If its going to do owt at all, it will now 'relax' and maybe, possibly relax back into shape....  So, it could be argued that the tyre and tube come off before it goes in the freezer, and then it relaxes and falls back into shape a little aided perhaps by a little contraction....

I have hung my tuffs up before and the following morning they have been true-er than the night before.   Or is that just my mind playing tricks on me...... :-\ :-\ :-\

madall:
Your Du Pont Zytel rims will straighten if you freeze them as the temp drop below ambient for a sustained time will return them to the original shape they were when they left the mould, its like the same as a hair drier on your plastic moulded bumbers of your motor , what you have is one end of the scale for each material.

todzilla:
I had a nos pr. of z rims that were warped....I tried the freezing with no success. I then boiled the rims and formed them back into their natural state. I also weighted them down for a couple of days. After assy. the spin nice and true. Good luck.

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