Hey all,
In my attempts to get the crank off the bike (it was literally fused on) I tried to cut the crank off with a jigsaw(since i was replacing the bottom bracket) It wasn't the best idea to do that, but I managed to get it off, I was wondering if the vibration of the jigsaw could have weakened the welds on the frame?
Could vibration damage a chromaloy frame
- adrian_d
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Re: Could vibration damage a chromaloy frame
Postby Nobody » Sun Aug 05, 2012 9:48 pm
Unlikely. You stomping on the pedals while standing would probably give more force than the jigsaw can produce.
- ldrcycles
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Re: Could vibration damage a chromaloy frame
Postby ldrcycles » Sun Aug 05, 2012 9:55 pm
Not a chance, the frame would see far more vibration/energy put through it on a rough road. Not 2 months ago i had to cut a crank arm off a BB, the previous owner had completely stripped the extractor threads, very careful use of an angle grinder did the trick (maybe a dremel would have been better but i haven't got a dremel).
- adrian_d
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Re: Could vibration damage a chromaloy frame
Postby adrian_d » Sun Aug 05, 2012 10:29 pm
Thanks for the heads up
I was worried somewhat after all my hard work that I had stuffed up.
Would you believe i grabbed 2 flat screwdrivers inbetween crank and bottom bracket, a few gentle taps were enough to wedge the crank off. I should have done that first off.
I was worried somewhat after all my hard work that I had stuffed up.
Would you believe i grabbed 2 flat screwdrivers inbetween crank and bottom bracket, a few gentle taps were enough to wedge the crank off. I should have done that first off.
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Re: Could vibration damage a chromaloy frame
Postby rkelsen » Mon Aug 06, 2012 10:02 am
Bush mechanic tip: Loosen the bolts and go for a ride.
- Mulger bill
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Re: Could vibration damage a chromaloy frame
Postby Mulger bill » Mon Aug 06, 2012 9:48 pm
This, used it before. First time inadvertent after not putting enough grunt into the tool when re installing.rkelsen wrote:Bush mechanic tip: Loosen the bolts and go for a ride.
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
London Boy 29/12/2011
London Boy 29/12/2011
- ldrcycles
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Re: Could vibration damage a chromaloy frame
Postby ldrcycles » Tue Aug 07, 2012 12:02 am
First time it happened to me was when i borrowed the crank bolts for another bike and forgot to replace them, next time i rode it i only got about 2k .
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