R. Plunkett PTFE

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daveh said:
john robert bould said:
Seeley, who is right here, Carbonfibre is saying "no good " you are saying 15 seasons and still good?.....
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John — the proof of the pudding is in the eating. Seeley 920 has knowledge based on first hand experience and I will go with that. Maxton Suspension have a good reputation which they have earned and I doubt very much that they would put that in jeopardy by fitting plastic bushings that didn't last p***ing time! Many racers in these islands with Maxton suspension speak highly of them. Just look around any race paddock.

Ideally, you could fit your Oilon bushes to a 'test mule' to look at wear rates, distortion, etc. Jim Schmidt uses Turkite for his upper fork bushings and teflon impregnated bronze for the bottom bushings. He mentioned it in a thread on this forum:

not-caferacer-t9368-15.html?hilit=turkite

He also mentioned that it was expensive.
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I think you will find Maxton have been using DU bushes for many years in relation to upgraded forks. But obviously if "Seeley 920" has more experience in this area than Richard at Maxton, then maybe he should make his fork conversions available commercially as I am sure they would be very popular!
 
Carbonfibre said:
I think you will find Maxton have been using DU bushes for many years in relation to upgraded forks. But obviously if "Seeley 920" has more experience in this area than Richard at Maxton, then maybe he should make his fork conversions available commercially as I am sure they would be very popular!
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Maxton may well use DU bushes. It would be interesting to find out. I think you misread Seeley's text. I understood that he has Maxton-upgraded forks, as I do, and was commenting on their standard of workmanship.
 
daveh said:
Carbonfibre said:
I think you will find Maxton have been using DU bushes for many years in relation to upgraded forks. But obviously if "Seeley 920" has more experience in this area than Richard at Maxton, then maybe he should make his fork conversions available commercially as I am sure they would be very popular!
Click to expand...

Maxton may well use DU bushes. It would be interesting to find out. I think you misread Seeley's text. I understood that he has Maxton-upgraded forks, as I do, and was commenting on their standard of workmanship.
Click to expand...

I would doubt DU bush's are employed by Maxton, simply because the size required doe's not exsist in "Off the shelf" size's ie bottom bush 32.4 x38, Most comercial wall thickness is 2mm, engineer draftsmen would no design any machine tool requiring special made size's..its just not sensible, or cost effective Plus the split Du range is for shafts to turn in the bore...the lower Norton requires the Teflon on the outside .
if a Du "outside coated" bush was available [made to order]the production cost would be very expensive . small batch's allways are.
So its solid bar Oilon for now, But if some one can find the right size DU for sensible money please email me, saves all that lathe work :!:
 
For the ultimate forks on any older bike, rather than messing around fitting low friction bushes, maybe it would be a very good idea to simply send them to Maxton and have them converted to modern cartridge internals? As to DU bushes, they are very commonly used by people here in the UK who often convert Norton Roadholder forks to accept modern internals (cassette forks) for improved performance in competition, at substantially lower cost than something like the Maxton cartridge conversion work.
 
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