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Rear Locking Arms 
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Joined: Thu Nov 15, 2007 10:22 pm
Posts: 363
Location: Ireland
Post Rear Locking Arms
I'm in the midst of designing and building a set of rear locking arms for the Coupe as the "Rossa Bitz" ones won't work with my caliper setup (already been in contact with Alan), for those of you in the know can you take a look at this and see if I've overlooked something or need to change something.

Hopefully its readable,

Andy

Image


Tue Nov 10, 2009 10:10 pm
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Joined: Wed Oct 03, 2007 8:54 pm
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Post Re: Rear Locking Arms
Sorry,
I can't quite see.
Am I to assume the outer pivot point is vertically aligned with the pivot point of the top arm ball joint?


Wed Nov 11, 2009 1:39 am
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Joined: Thu Nov 15, 2007 10:22 pm
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Location: Ireland
Post Re: Rear Locking Arms
Dino,

Struggling to find a format that I can upload, try this one

Image


Wed Nov 11, 2009 10:17 am
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Joined: Fri Sep 14, 2007 10:34 pm
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Location: In the workshop
GTM: Cox/Coupe
Post Re: Rear Locking Arms
If im looking at things correctly. you have all the pivots in the same place, inner/outer steering to top arm so this should be fine. Very simular to the locking arms I started to make as an interm fix but never 100% finished :roll: . is the 10mm under the arm a spacer between arm and hub? as you can then play with finer postion of this to dial in or out that tiny bit of bump steer, it can actually be a benefit to dail a little in some cases/school of thought :wink:

The inner pivot will need a brace like alans set up, or I came up with a slightly different approach due to my frame etc.

West

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Wed Nov 11, 2009 1:47 pm
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Joined: Thu Nov 15, 2007 10:22 pm
Posts: 363
Location: Ireland
Post Re: Rear Locking Arms
West,

thanks for your reply, yes the 10mm packer is there for just that reason, its probably 1mm low but I kept it at this so it could be shimmed if necessary, the inner pivot extension will be braced off the subframe for support its just not detailed on this dwg.


Wed Nov 11, 2009 2:09 pm
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Joined: Mon Oct 01, 2007 7:25 pm
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Post Re: Rear Locking Arms
Looks good to me :D

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Wed Nov 11, 2009 7:46 pm
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Joined: Wed Oct 03, 2007 8:54 pm
Posts: 375
Post Re: Rear Locking Arms
WEST wrote:
... it can actually be a benefit to dail a little [bumpsteer] in some cases/school of thought :wink: ...

I've come across this thought before - can you explain why that should be?
I'm still very much at the learning stage with suspension setup!


Thu Nov 12, 2009 2:11 am
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Joined: Thu Nov 15, 2007 10:22 pm
Posts: 363
Location: Ireland
Post Re: Rear Locking Arms
Ok so prototype made and assembled seems to be the bees knees, won't know for sure until a test drive but from first principles its all good.

Here's a couple of shots of the finished product:

Image
Image
Image
Image


Fri Nov 13, 2009 10:31 pm
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