Printable Version | Subscribe | Add to Favourites
New Topic New Poll New Reply
Author: Subject: poly bushes how do they work what moves
bart

posted on 28/5/18 at 08:18 AM Reply With Quote
poly bushes how do they work what moves

ok i'm confused

poly bushes can someone explain how they work tolerances for fit ect.

I have read contrasting views on fit and what part moves


1) are they a direct replacement for rubber bushes ie: its the rubber / poly that twists

or like nylon bushes the inner tube rotates as in a bearing.


a) should the outer diameter be a tight fit in the suspension arm tube

b) should the inner diameter grip the crush tube or be a rotating bearing fit .


c) should the crush tube be smaller than the combined width of tube + bush sides ( top hats ) or longer allowing for a bearing fit


i know you clever people have the answers





BE ALERT > BRITAIN NEEDS LERTS

View User's Profile View All Posts By User U2U Member
adithorp

posted on 28/5/18 at 08:53 AM Reply With Quote
The bush is tight in the wishbone.
The crush tube is tight in the bracket
The bush rotates on the crush tube
The crush tube should be the same length as the bracket.
The total width of the bushes in the wishbone should be slightly less than the length of the crush tube.

Crush tube... the clue is in the name.

[Edited on 28/5/18 by adithorp]





"A witty saying proves nothing" Voltaire

http://jpsc.org.uk/forum/

View User's Profile View All Posts By User U2U Member
CosKev3

posted on 28/5/18 at 09:41 AM Reply With Quote
As above

One thing to be aware of if you are making new wishbones is the thickness of the steel used in the bush holding tube.
I had issues finding bushes that worked correctly due to the steel used being on the minimum thickness advertised by the seller, so the poly bushes were loose in the tube,so they then spun in the tube rather than rotating around the crush tube.

View User's Profile View All Posts By User U2U Member

New Topic New Poll New Reply


go to top






Website design and SEO by Studio Montage

All content © 2001-16 LocostBuilders. Reproduction prohibited
Opinions expressed in public posts are those of the author and do not necessarily represent
the views of other users or any member of the LocostBuilders team.
Running XMB 1.8 Partagium [© 2002 XMB Group] on Apache under CentOS Linux
Founded, built and operated by ChrisW.