Captain Posted August 25, 2017 Report Share Posted August 25, 2017 Just had a thought.........It might be a stupid one but may be worth a discussion. As good quality new Metalastic bushes are hard to find and/or expensive, has anyone ever considered making them out of Polyurethane? Would they be strong enough to withstand the torque? Would Polyurethane bond with metal? Any thoughts??? I've actually made up CV joints to replace the Metalistic bushes on my GT6, but I would have considered keeping them if there were other options. Andy Link to comment Share on other sites More sharing options...
Clive Posted August 26, 2017 Report Share Posted August 26, 2017 I take it you mean the rotoflex couplings? I expect the costs of manufacture would be high, and the market small. Most people seem happy to use the cheap ones (I guess there is an assumption that the cars get little use, and so should be OK??) and at the moment the CV conversions is a viable alternative to genuine metalastic couplings. So not much of an opening..... Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 27, 2017 Report Share Posted August 27, 2017 No idea about the torque capacity but marine rotoflex couplings versions are made from a poly type material Pete Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 27, 2017 Report Share Posted August 27, 2017 There was also discussion on CT http://club.triumph.org.uk/cgi-bin/forum10/Blah.pl/Blah.pl?v-print/m-1384938821/ And https://www.tapatalk.com/groups/spitfireinformationexchange/viewtopic.php?p=23666&sid=136018cc2db0916415d3934dd46490d2#p23666 Link to comment Share on other sites More sharing options...
Captain Posted August 28, 2017 Author Report Share Posted August 28, 2017 Hi Clive and Pete, Thanks for the comments and links. Some interesting reading, which as suggested by Clive is not viable or practical. Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 28, 2017 Report Share Posted August 28, 2017 not found the site but there were a company making look alike neoprene type rotoflex couplings for marine drives , but so far ive not been able to revisit ie they look identical , not the over complicated ive managed to find theres some good advice on the Imp and lotus forums as they use the same doughnuts Pete Link to comment Share on other sites More sharing options...
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