polyurethane drive couplings
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Does anybody have any experience of these polyurethane drive couplings being advertised on Ebay (4624217383)? If they eliminate surge and maintain rear roll stiffness they sound a cheap alternative to cvjs/ujs. The sellers say they sell to USA, I havent seen them before.
Richard
Richard
- storrar54
- First Gear
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- Joined: 14 Jul 2004
Richard
They look like industrial drive couplings in which case they will not flex enough, as industrial couplings mainly only take out very small misalignments of shafts. Also the raised bosses are all on the same side.
Clive
They look like industrial drive couplings in which case they will not flex enough, as industrial couplings mainly only take out very small misalignments of shafts. Also the raised bosses are all on the same side.
Clive
1972 Elan Sprint FHC
- cliveyboy
- Fourth Gear
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I have been thinking about the coupling for sale and the design seems to me to be more anti vibration mount than drive coupling .
So I checked the companies website and suprise surprise they make accoustic damping and noise reduction systems for audio speakers etc.
Clive
So I checked the companies website and suprise surprise they make accoustic damping and noise reduction systems for audio speakers etc.
Clive
1972 Elan Sprint FHC
- cliveyboy
- Fourth Gear
- Posts: 848
- Joined: 22 Sep 2003
Just as a final note on different material for couplings.
I have talked to a couple of drive train manufacturers about using better material for the "Metalastic Rotoflexs" used on our Elans and all of them have reservations about using anything other than rubber.
The main reasons being Rubber flexes easily and also has great ability to reduce vibrations.
As soon as you use harder materials you start to lose some of those advantages.
Thats not to say its not possible just that it would have to be a compromise.
Cliveyboy
I have talked to a couple of drive train manufacturers about using better material for the "Metalastic Rotoflexs" used on our Elans and all of them have reservations about using anything other than rubber.
The main reasons being Rubber flexes easily and also has great ability to reduce vibrations.
As soon as you use harder materials you start to lose some of those advantages.
Thats not to say its not possible just that it would have to be a compromise.
Cliveyboy
1972 Elan Sprint FHC
- cliveyboy
- Fourth Gear
- Posts: 848
- Joined: 22 Sep 2003
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