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Author: Subject: Sierra hub measurements - KPI, castor etc
danro

posted on 14/4/05 at 12:33 PM Reply With Quote
Sierra hub measurements - KPI, castor etc

Hi all

I have deviated from the standard book chassis in a few ways (sierra donor) which pushes me to check or possibly redesign the front wish bones a little.

What I'm after are the various angles involved with the hub, KPI, Castor etc.
If any of the CAD guys have already created a CAD drawing of the hub then this would probably have all that I need to ensure the correct positioning at the end of the wishbones.

Can anyone assist?

Many thanks

Danny






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James

posted on 14/4/05 at 12:37 PM Reply With Quote
This is the only diagram I've ever seen:

http://www.locostbuilders.co.uk/upload/sierra_upright.jpg

HTH,

James





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danro

posted on 15/4/05 at 08:28 AM Reply With Quote
Spot on!!

Thanks James






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jambojeef

posted on 15/4/05 at 10:21 PM Reply With Quote
If it helps - when you come to make your top wishbones you'll need to angle your transit drag link end to get enough movement in bump and droop.

I went for about 10 degrees and mine turned out like this.

Hope that helps too! Rescued attachment front susp.JPG
Rescued attachment front susp.JPG

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danro

posted on 18/4/05 at 08:00 AM Reply With Quote
Brilliant. Thanks Jambojeef

Perfect timing too!
I'll be talking your advise as I had heard about this issue. Wasn't too sure exactly how to do it but your photo... speaks 1000 words.
Much appreciated.

Danny






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