v8kid
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| posted on 10/7/07 at 12:34 PM |
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Gearchange linkage stiction
I'm having problems with excessive friction in the gearchange linkage. I'm using rose joints 'cos they are self alligning but they
are a bit stiff. What are you guys using for bearings in your linkages?
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Fred W B
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| posted on 10/7/07 at 02:22 PM |
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some pics of my mock up linkage
in this thread which works well, using rod ends.
Cheers
Fred W B
[Edited on 10/7/07 by Fred W B]
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RazMan
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| posted on 10/7/07 at 02:41 PM |
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What size rose joints are you using? I am using M6 which move nicely - anything bigger might be a bit tight until they are 'run in'. You
might try some ptfe lubricant (not oil or grease as it could swell the bearing liner.
[Edited on 10-7-07 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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BenB
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| posted on 10/7/07 at 03:07 PM |
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as just said, they're probably just tight. Sit in the car and waggle the stick for a while, you'll probably find it frees up nicely after
a while.... Some lube will help also...
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violentblue
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| posted on 12/7/07 at 03:09 AM |
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quote:
Originally posted by BenB
waggle the stick for a while, .. Some lube will help also...
[Edited on 12/7/07 by violentblue]
a few pics of my other projects
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v8kid
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| posted on 12/7/07 at 07:40 AM |
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Tried waggling the stick a bit and got fed up. Took off rose joints, smeared them with valve grinding paste and run them on the cordless drill untill
they got hot
Some of them freed up nicely and others didn't make a difference.
Overall no change.
I think it must be when load is put on the linkage the sliding contacts "dig in".
Back to the drawing board I'm afraid
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RazMan
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| posted on 12/7/07 at 08:17 AM |
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quote:
Originally posted by v8kid
I think it must be when load is put on the linkage the sliding contacts "dig in".
Maybe the grinding paste was a bit drastic 
Have a look at the leverage aspect in the system - longer / shorter lever length could make quite a difference.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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