dilley
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| posted on 10/7/10 at 10:36 PM |
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drive shaft angle
Hi Guys,
I am trying to do a mock up of a bike engine and a chain drive diff in my buggy and its bloody tight!!!
Is there any reason why I cannot move the diff back and run the drive shafts not at 90 degrees to the wheels??
drive shafts move up and down so why not foward or backward fixed/mounted???
hope tis makes sense!!
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NigeEss
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| posted on 10/7/10 at 10:39 PM |
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If it's only a few degrees it is actually beneficial as it spreads the wear a bit more
rather than a constant load at one part of the CV.
Time is an illusion. Lunchtime doubly so.................Douglas Adams.
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mangogrooveworkshop
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| posted on 10/7/10 at 11:02 PM |
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as long as you are still in the working envelope of the cv you will be ok. Dont exceed the angles other wise they blow up
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Madinventions
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| posted on 10/7/10 at 11:04 PM |
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Should be fine - just don't go for huge angles! I've been running my driveshafts at about 8-10 degrees now for a few hundred miles
without any problems.
Ed.
Mojo build diary: http://www.madinventions.co.uk
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RazMan
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| posted on 10/7/10 at 11:49 PM |
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Mine are at ~5 degrees with no problems in 3 years.
I had some teething problems with the CV boots exploding due to the angles caused by strapping the car down on the rollers - I think the grease was
thrown to one side and the centrifugal force made it burst through the boots .....twice! All this happened at a roller speed of 150mph
This was cured by using a race quality CV boot which doesn't flop about like the cheapies. You can see the difference in this pic.
 
Rescued attachment Driveshaft Boots.jpg
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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dilley
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| posted on 11/7/10 at 06:52 AM |
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Where can they be purchased Raz???
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RazMan
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| posted on 11/7/10 at 09:40 AM |
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I knew you were going to ask me that 
Its the GKN Fast Boot here
http://www.merlinmotorsport.co.uk/GKN-CV-JOINTS-CV-Joints/c295_296/index.html
[Edited on 11-7-10 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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turbodisplay
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| posted on 11/7/10 at 10:03 AM |
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At the risk of a hijack, mine have 11 degress is that too much? Or will it just wear quicker.
Obviously fwd car operate huge angles at the outer cv joint, and under power.
Thanks
Darren
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