What kind of a car weighs ~100Kg? Many engines weigh more than that alone.jules21 wrote:...and if it's so weak it can't statically support 1/4 of a ~100 kg car, it's not raceworthy.
installing star nut
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Re: installing star nut
Postby Nobody » Mon Oct 24, 2011 8:49 pm
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Re: installing star nut
Postby twizzle » Tue Oct 25, 2011 12:24 pm
Formula SAE.Nobody wrote:What kind of a car weighs ~100Kg? Many engines weigh more than that alone.jules21 wrote:...and if it's so weak it can't statically support 1/4 of a ~100 kg car, it's not raceworthy.
Jules21 - fair call, I guess, but I can also understand the panic caused by doing something that it *should* be capable of surviving... but might not.
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Re: installing star nut
Postby jules21 » Tue Oct 25, 2011 12:27 pm
actually i just made up the 100 kg, apparently they're more like 200+. that's still pretty light.
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Re: installing star nut
Postby Mulger bill » Thu Oct 04, 2012 11:08 pm
Bit of thread resurrection here...
WINNER, dead straight all the way in less than a minute and no smashed thumbnails
I did this today, M6 threaded rod sourced from the local bolt supplier, (Bunnings does no smaller than M8). A nyloc nut at the lower end and an old top cap in the bottom of the steerer to centre it and provide a bearing surface to pull against.jules21 wrote:youtube says to source a threaded rod and use that to pull the nut down, from underneath the steerer. that sounds good - any ideas where i would get a threaded rod? it would have to be really thin (can't engage the nut thread).
WINNER, dead straight all the way in less than a minute and no smashed thumbnails
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Re: installing star nut
Postby jacks1071 » Fri Oct 05, 2012 9:48 am
You can get the propper tool for like $20 and do a perfect job over and over again, nothing like having the right tool for the job
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Re: installing star nut
Postby petal665 » Fri Oct 05, 2012 12:41 pm
I have the proper tool. These other methods are rubbish compared to doing it properly.
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Re: installing star nut
Postby twizzle » Fri Oct 05, 2012 3:33 pm
Actually, the threaded rod might do a better job, if the fork has a hole and a flat spot at the bottom. I used the 'proper tool' on my Ribble build earlier this year, but one of the tabs on the bottom star of the nut (double-star) collapsed as it was going in and despite being fully inserted it was on an angle. During the dummy build, the bolt seized in the nut as it was tightened and I ended up with a bolt that would just spin without coming out. I had to drill holes through the top cap and dremel it all apart before driving the remains down the steerer and putting another star nut in. Hours Of Fun! NOT!
There was just a little bit of free play in the tool which allowed it to get slightly cocked to start with, at least with the threaded rod you can see what is going on.
There was just a little bit of free play in the tool which allowed it to get slightly cocked to start with, at least with the threaded rod you can see what is going on.
I ride, therefore I am. But don't ride into harm's way.
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Re: installing star nut
Postby Mulger bill » Fri Oct 05, 2012 7:36 pm
Goodonyer. Have you tried the other methods which you decry?petal665 wrote:I have the proper tool. These other methods are rubbish compared to doing it properly.
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
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Re: installing star nut
Postby Crittski » Fri Oct 05, 2012 7:50 pm
I have tried bashing it in with whatever I had around the garage, and also with the right tool, and it is soooo much easier with the right tool - three taps, and it was in straight, with no hassles at all...
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Re: installing star nut
Postby petal665 » Fri Oct 05, 2012 8:41 pm
Yes I have and as above it is a 20 second job that works right every time with the proper tool.Mulger bill wrote:Goodonyer. Have you tried the other methods which you decry?petal665 wrote:I have the proper tool. These other methods are rubbish compared to doing it properly.
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