6cyltdi Posted July 24, 2008 Share Posted July 24, 2008 Is there any reason why I can't make my own double cardon prop shafts.... If I weld two prop ends back to back after grinding down the centre till its flush, make a nice deep groove and fill it with weld at a good heat, then shorten a prop I have here is there any reason it will/would be dramaticly out of balance or fail on me....??? Also will it be OK to run the front prop with double cardon at diff end...? Any suggestions as how best to do it and/or problems I my incur?? Any advise at all... Thanks everyone... Daniel Quote Link to comment Share on other sites More sharing options...
dollythelw Posted July 24, 2008 Share Posted July 24, 2008 doable Daniel, but balance and phasing might get interesting Quote Link to comment Share on other sites More sharing options...
Guest diesel_jim Posted July 24, 2008 Share Posted July 24, 2008 Trouble is, double CV UJ's arn't just two bolted back to back... there is a spider and a center yoke in between them to support each other. if you just bolt 2 together it'll droop where they join then flail around like a flaily thing on a windy day. see: Quote Link to comment Share on other sites More sharing options...
dollythelw Posted July 24, 2008 Share Posted July 24, 2008 eek coffee failure - good point Yeti! Quote Link to comment Share on other sites More sharing options...
Turbocharger Posted July 24, 2008 Share Posted July 24, 2008 What they said above - don't weld your UJs back to back. Putting a DC joint at the axle end - you could do it, but with radius arms there's not a lot of movement between the diff and prop because the whole thing pivots at the chassis end at nearly the same point, so a UJ doesn't really cause any problems. With clever suspension links etc, it could be useful. Horses for courses... Quote Link to comment Share on other sites More sharing options...
muddy Posted July 24, 2008 Share Posted July 24, 2008 You cant, i was am actually stupid enough to try it! i still have the prop if you want it Quote Link to comment Share on other sites More sharing options...
6cyltdi Posted July 24, 2008 Author Share Posted July 24, 2008 So how does the centering socket yoke thingy work....??? I take it one side is like a normal prop uj? The other uj pivots on one coupling and not two or????? How is it fixed and hold the uj.... Thanks again.... Quote Link to comment Share on other sites More sharing options...
Guest diesel_jim Posted July 24, 2008 Share Posted July 24, 2008 It's like 2 UJ's connected together... like siamese twins... joined in the middle. usually there is a rubber boot thing (on the UJ's, not the twins.. ) with the "link" between them. grab yourself a series 3 109" V8 front prop... they use (big) UJ's on those, and they're greasable unlike the disco S2 which are sealed for 10000 miles "life"..... you can easily get a different (longer) tube welded to one of those, and "hey presto...." double CV shaft. Quote Link to comment Share on other sites More sharing options...
white90 Posted July 24, 2008 Share Posted July 24, 2008 Loads of types/ideas here Quote Link to comment Share on other sites More sharing options...
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