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Re: Europa-List: vibration effects on bolts

Subject: Re: Europa-List: vibration effects on bolts
From: Nigel Graham <nigelgraham@mtecque.co.uk>
Date: Sat, 5 Jul 2014 18:53:12
I couldn't help smiling while reading this.
I am involved with the restoration of a Jaguar XK120 and a few months 
back, visited an ex Jaguar racing mechanic (well past retirement age) at 
his immaculate workshop while searching for obscure bits. During a very 
interesting discussion, he explained that years ago, Jags were plagued 
with problems with the bell housing bolts backing out during endurance 
races. The solution, discovered by trial and error, was to replace the 
helical spring washer with plain washers.
These old timers know a thing or two!
Nowadays we have technology on our side - and thread locker.

Nigel

On 05/07/2014 14:54, duanefamly@aol.com wrote:
> This is a very interesting video. It shows how, even with locking 
> washers, bolts and nuts simply back-off under vibration. But it stops 
> there. No help about what to do to prevent this problem. More 
> research, I guess.
> Mike Duane
> -----Original Message-----
> From: GRAHAM SINGLETON <grahamsingleton@btinternet.com>
> To: europa-list <europa-list@matronics.com>
> Sent: Sat, Jul 5, 2014 4:16 am
> Subject: Europa-List: vibration effects on bolts
>
> All
> this is a very interesting article explaing how bolts loosen due to 
> vibration.
> Very interesting.
>
> http://www.boltscience.com/pages/junkertestvideo.htm
>
> Graham
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>
> arget="_blank">http://www.matronics.com/Navigator?Europa-List
> tp://forums.matronics.com
> _blank">http://www.matronics.com/contribution
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