Double cardan joint or CV for propshaft





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  1. #1
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    Default Double cardan joint or CV for propshaft

    I am looking for a supplier of a quality double cardan joint or CV for my Pajero's rear propshaft.

    Please let me know if you know of such a company in SA.

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    Default Re: Double cardan joint or CV for propshaft

    Talk to Bulli. Used on the Jeep a lot.
    Jakes Louw
    2012 Jeep Sahara Unlimited 3.6 V6
    Percivamus

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by jelo View Post
    Talk to Bulli. Used on the Jeep a lot.
    Thanks I have asked him. From what I can read, the SWB Paj and the Jeep uses the same transfer case and short driveshaft. So hopefully I can get sorted easily.

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    Default Re: Double cardan joint or CV for propshaft

    These guys can make pretty much anything you want

    https://helderbergpropshaft.co.za/

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  6. #5
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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by XJ Junky View Post
    These guys can make pretty much anything you want

    https://helderbergpropshaft.co.za/
    Will contact them and see. Thanks!

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    Default Re: Double cardan joint or CV for propshaft

    The bossí name is Hennie. Plenty of CTN 4x4 guys have stuff made up with him. He did an exquisite job on converting my prop shaft diff connection to a much stronger unit.

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by XJ Junky View Post
    The bossí name is Hennie. Plenty of CTN 4x4 guys have stuff made up with him. He did an exquisite job on converting my prop shaft diff connection to a much stronger unit.
    Dankie, ek het hom gemail. Dit is goeie nuus die!

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    Default Re: Double cardan joint or CV for propshaft

    Iím sure youíll come right. Let us know the result.

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by XJ Junky View Post
    Iím sure youíll come right. Let us know the result.
    I am in discussions with Hennie. He asked for photos and what I want to do ... so I supplied the details. Let's see.

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    Default Re: Double cardan joint or CV for propshaft

    Hennie phoned me today which I appreciate tremendously.

    He however is of the opinion that it is not a simple task and recommended that I rather try and alter the angle of the transfer case. I will see what I can do about this over the weekend....

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    Default Re: Double cardan joint or CV for propshaft

    Thats a whole engine and trans move. And you can't just drop the angle of the TC, you have to raise the angle of the pinion to suite, unless you add a CV to one or both ends. If you add a cv to the TC end, the pinion with the normal UJ has to point directly at the TC. Also, tilting the TC, you start messing with your angles on the front propshaft.

    BIG CATCH22 HERE.
    David/Hillbilly - 1997 SFA Nissan Sani 2,7 TD - 5" lift on 33" tires - Dual Transfer with 4.1 gears

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by bfreesani View Post
    Thats a whole engine and trans move. And you can't just drop the angle of the TC, you have to raise the angle of the pinion to suite, unless you add a CV to one or both ends. If you add a cv to the TC end, the pinion with the normal UJ has to point directly at the TC. Also, tilting the TC, you start messing with your angles on the front propshaft.

    BIG CATCH22 HERE.
    Yep, that is what I told him ...

    The issue is that the angle of the diff pinion to the propshaft is about 2 degrees whereas the angle of the transfer case output shaft to the propshaft is about 9 degrees giving a compound angle of 11 degrees with no load on the back. According to Hennie the angles must be the same at both ends to make the propshaft UJs work at the same angular velocity which never was the case before the lift of 50 mm.

    As things stand now and from what I could read, the current angles are the worst possible scenario.

    Click image for larger version. 

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    Click image for larger version. 

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    So ... I will have to give this some thought as the Catch 22 with the front propshaft is the real issue. The other issue is the fact that it appears cardan joints are not a familiar item in SA.
    Last edited by mygoggie; 2020/09/16 at 09:25 PM.

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    Default Re: Double cardan joint or CV for propshaft

    Interesting topic. With rear leaf springs we can rotate the axle upwards but itís probably more complicated with coil sprung suspension. The geometry gets tricky.

    Due to the lift, would you not also need a slip joint on the shaft?

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by XJ Junky View Post
    Interesting topic. With rear leaf springs we can rotate the axle upwards but itís probably more complicated with coil sprung suspension. The geometry gets tricky.

    Due to the lift, would you not also need a slip joint on the shaft?

    The slip joint is in the transfer case. I think this is where the issue is with installing a cardan joint at the TC end. But I see on some Jeeps which has the same TC as the Pajero, there is a cardan joint installed.

    Click image for larger version. 

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    Default Re: Double cardan joint or CV for propshaft

    Numerous vehicles use double cardian.
    In person I think your angles are fine.
    Do you have vibrations in 4x4.
    Look at the factory angles of the old F250 4x4:s They ran sweet with no ill effects
    We run serious angles on the Little Patrol front setup without cardans.
    Pasop vir gogga maak vir Baba bang.

    Put a cardan in there and you will be safe.
    Last edited by grips; 2020/09/17 at 05:43 AM.
    It is not what you buy its what you build.

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  19. #16
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    Default Re: Double cardan joint or CV for propshaft

    Oh wow... one of the problems I discovered with radias arms on the front of my Sani. Arms are already at 7deg, and when I hook the caravan, or load up the rear, the front end lifts and and shoves my pinion up another 3 deg. But at least keeps it pointing at the TC where I have a DC. But yes, I went through that balancing act between front and back propshafts and pinion angles. That is a big angle you have at the TC. How much droop do you get out of your suspension? Whats left on the UJ? I think your quickest fix there could be castor correction bushes/plates or radias arms to fix the pinion angle, if the UJ has enough left for the flex. Or just point the pinion at the TC with the castor correction, and DC the top joint at the TC. If the front is still ok, rather just fix the rear. I went through the engine and gearbox tilt and move exercise, what a pain moving engine mounts, (I was trying to drop the engine and tilt the gearbox up). New gearbox mount fabricated, which ended up too hard, and now I have a vibration at idle that makes my car shake like an old KB Isuzu.
    David/Hillbilly - 1997 SFA Nissan Sani 2,7 TD - 5" lift on 33" tires - Dual Transfer with 4.1 gears

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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by grips View Post
    .

    Put a cardian in there and you will be safe.
    Please direct me to one such cardan that is available in SA. So far everybody I spoke to has declined to be of assistance.

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  22. #18
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    Default Re: Double cardan joint or CV for propshaft

    On the Jeeps we use slip yoke eliminators whereby we opt for a slip on the actual shaft in stead of a yoke on the TC. Then you end up with a longer shaft. But the longer the shaft, the more you get away with. Iíd agree with Grips. I reckon youíll get away with Cardons.

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  24. #19
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    Default Re: Double cardan joint or CV for propshaft

    Quote Originally Posted by bfreesani View Post
    That is a big angle you have at the TC. How much droop do you get out of your suspension? Whats left on the UJ? I think your quickest fix there could be castor correction bushes/plates or radias arms to fix the pinion angle, if the UJ has enough left for the flex. Or just point the pinion at the TC with the castor correction, and DC the top joint at the TC.
    The droop (downward travel) of the rear axle is significant from this shown position which creates a much larger propshaft angle. It never was an issue before when doing 4x4'ing so I do not understand why the small lift caused such issues.

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    Default Re: Double cardan joint or CV for propshaft

    All SFA Hiluxes have them and you will find them on most Cruisers like the 80 Series and on
    It is not what you buy its what you build.

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