Author [NL] [FR] [ES] [DE] [SE] [IT] Brutal cardan breakage when driving at 135 km/h  (Read 8265 times)

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  • Offline digital   es

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #8 on: Oct 04, 2022, 07.54 pm
    Oct 04, 2022, 07.54 pm
    *Originally Posted by Novocastrian [+]
    I'd be really interested to know what caused it....

    Now I will pass photos and you will see the cause that has produced it.
    Only motorcyclists know why dogs stick their head out the car window.


  • Offline TriumphTwo

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #9 on: Oct 04, 2022, 07.54 pm
    Oct 04, 2022, 07.54 pm
    Thx for the update! It is a huge breakage, but at least you (and your pillion) are OK!
    "the hair rising sound of a triple"

  • Offline digital   es

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #10 on: Oct 04, 2022, 07.56 pm
    Oct 04, 2022, 07.56 pm
    *Originally Posted by swilkins65 [+]
    :005:  Ouch!
    How many KM on the odometer?  might have to check the manual for a maintenance schedule on that.

    It's not a question of the kilometers on the odometer.
    In fact, it is not normal for a disaster of this type to occur and I do not know of any case that has happened to a Trophy.
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  • Offline digital   es

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #11 on: Oct 04, 2022, 08.20 pm
    Oct 04, 2022, 08.20 pm
    AP 2 motorway from Barcelona to Tarragona. Just entering the province of Tarragona soundtracks were placed in all lanes of the highway.

    The rumble strips are very rough and dangerous for motorcycles. They are very fat, in fact the neighbors adjoining the highway are denouncing the Traffic Administration, since when they pass over those soundtracks they make a tremendous noise (it seems that a freight train is passing by).
    I don't know exactly how far these soundtracks went, we went to Salou last week and after making that trip I noticed a tug and a click, click. I did not give it importance. This weekend we went back to Salou and went through that highway again and six kilometers before reaching Tarragona, that disaster occurred.

    In Spain there are highways that we have traveled on and there are also soundtracks, but they are very faint and hardly make any noise, enough noise for a driver to realize that he is stepping on another lane or is sleeping.

    But in no case are they as brutal as those that have been placed in the province of Tarragona.
    So without any doubt that has been the cause of the disaster, since when traveling so many kilometers stepping on those soundtracks, the gimbal rises due to the movement exerted, until it reaches the crosshead of the gimbal.





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  • Offline digital   es

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #12 on: Oct 04, 2022, 09.21 pm
    Oct 04, 2022, 09.21 pm
    Checked the damage caused, I have also found the gearbox damper shaft oil seal. Due to the sudden movement caused by the breakage of the cardan shaft, the oil seal of the gearbox damper shaft was deformed.

    To replace the oil seal, it is necessary to disassemble the gearbox and the front conical housing.

    Obviously, to remove the cardan, you also have to remove the rear conical box.

    Only motorcyclists know why dogs stick their head out the car window.


  • Offline Alex Gun   de

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #13 on: Oct 05, 2022, 03.54 am
    Oct 05, 2022, 03.54 am
    Rumble stripes? Really?
    Not sure. Sorry.
    Nice that you are ok.

  • Offline Pauli363   gb

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #14 on: Oct 07, 2022, 02.51 pm
    Oct 07, 2022, 02.51 pm
    That's horrific!  Glad you are ok Digital, that could have been very bad!

    That's got me worried to be honest.  I am retiring at Christmas, and planning my first big trip in April/ May to France/Germany/Switzerland for several weeks.  That would be the last part on the bike I would have worried about.  Are these shaft drives not essentially meant to be sealed units and good for the life of the bike?

    If rumble strips were enough to cause this, its a great concern.  However, if it WAS rumble strips, you would expect a lot more incidents of this nature.  I rather expect there was a problem in the making, and possibly the extended rumble strips were the last straw and the shaft gave up at the point.
    My biggest concern is a catastrophic failure like this on an extended European trip.  Mostly for the hassle it can cause in trying to get a bike home etc.

  • Online trophied   us

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    Re: Brutal cardan breakage when driving at 135 km/h
    Reply #15 on: Oct 07, 2022, 02.59 pm
    Oct 07, 2022, 02.59 pm
    Having seen a lot of posts by digital revealing his overall knowledge, I am more inclined to believe his assessment of the cause being the height and spacing of the Bot's dots (a US term for them) on the road causing a frequency in the movement of the parts that stress cracked a part.  I've never seen any of those anywhere in the US that I have been, and as digital stated, this area of Spain is the only place that has this particular item on the roadway and driver's and residents all HATE them.  Sounds like a governmental boondoggle to me, and a costly one at that.
    Last Edit: Oct 07, 2022, 03.00 pm by trophied
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