Re: [Amc-list] Progress, sort of

[Wrambler242@xxxxxxxxxxx]

Eastwood has the design shrinker/stretcher stand I'm aiming towards.

There should be no side forces at all.

Something akin to a brake pedal is in mind for action.
Not a Z-bar.

I was actually thinking of a large diameter bolt in a pipe with a zerk maybe.

yeah longer on the whole contraption to spread wear would be good.

I'd kind of like to make the wear surface replaceable, but in reality I doubt it is needed.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
" I realize that death is inevitable.
I just don't want to be around when it happens! "

 -------------- Original message ----------------------
From: Tom Jennings <tomj@xxxxxxx>
> 
> ve any ideas on an easy bushing to use in the foot pedal levers?
> >>   That's my only real sticking point right now. I know I can come up with 
> >> something, but if anyone has a tried solution I'm all ears.
> >>    As always, cheap and strong are the key points!
> 
> If I can picture the joint I'd come up with something, even if it was 
> bad! What's the pivot need to do? Sometimes what seems easy fails when 
> there's forces in two planes. Anything works when all the forces are in 
> one plane, but for things like a bellcrank, the rottional force is easy, 
> but the diagonal force eats the bushing!
> 
> I think this is what eats AMC door hinges; the bearing surface is small, 
> and the door weight which applies at 45 degrees more or less, pinches 
> the stupid crap GM bushing. If it was square-on it might last, but it 
> pinches the top of the tiny bushing area and pincers it in half.
> 
> I once took a pair of door hinges, had a local shop weld in 7/16" nuts, 
> then I drill-pressed it straight through both nuts and the hinge for a 
> 1/2" bolt as a pin! In my head I recall drilling each 'nut' for a zerk 
> but I think in the real world I forgot to do that...
> 
> THAT door didn't klunk around!
> 
> So spread the force over a long shaft, that way you don't have to work 
> it out. Brute force is the most subtle trick some times.
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