Trophy Truck With Continuously Variable Transmission

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17 Responses

  1. steve says:

    Nico,
    Trophy Truck
    Thanks for the great job in producing the building instructions.
    I am finding however that there is too much drag somewhere in the gear train and the front torque wheel is spinning far to fast making the truck to be permanently in the 1:5 range.
    If I stop the front wheel, the truck instantly speeds up to 1:1, so I am thinking there must be too much resistance somewhere.
    However, either in 1:1 or 1:5 there is simply no torque at all, and it will not even climb over my fingers.

    I have read about the friction pin, but cannot identify the which component this is, perhaps if I understood this it may help me.

  2. Pif says:

    Bonjour, que se passe-t-il si on ne conserve que la roue centrifuge du côté de la grande vitesse ? Le fonctionnement ne sera pas quasi identique ?

  3. Myeong Mo Kim says:

    I really like the use of the CVT! It has less flaws than the automatic gearboxes that has a number of stages. But I’m a bit worried about the friction pin getting worn down by a number of turns. Was it okay?

  4. Markus says:

    Good work! But I think there is a mistake in your part list: the 7x 3713 and the 4x 3673 should be “light bluish grey” instead of the old “light grey”…

  5. Nico71 says:

    Many thank to you 🙂

  6. Steve Wilson says:

    Hello Nicolas,
    I just finished building your MOC, all I can say is BRILLIANT! To have a CVT transmission in a Trail Truck is quite amazing.
    I enjoy watching it change speeds as the torque changes.
    Keep up designing these great MOC’s and I’ll keep building and enjoying them!
    (I had to build this to understand how this works)

  7. Nico71 says:

    A indiquer la vitesset et à joueur le role de volant d’inertie pour éviter les changements constants de vitesse si on fonctionne sur un fonctionnement entre deux.

  8. Nico71 says:

    Yes, turn one of the differential to get the tooth at the right or on the left. Check the buidlsing instructions, the differential are not good placed on your model.

  9. Sandesan says:

    Hi Nico,
    I have tried to build a CVT like this, but found that when the drag is to big, the output doesnt turn at all, but the two differentials sort of counter rotate. Are you familiar with this problem and have you solved it?

  10. nicoalsdarkdark says:

    WOAH Super travail, Nico!!!!
    Je l’ai fait moi même et je l’ai tésté il marche d’enfer!
    Juste une question, A quoi serve les deux grosse roues devant et derriere sur le capot?Juste a indiquée la vitesse?
    Merci d’avance
    Nicolas

  11. MajklSpajkl says:

    Hello Nico,
    another fantastic build from you – excellent job and thanks for the instructions. I was just wondering, if the actual gear reduction when in high torque mode (1:35) isn’t too much for the axles or the gears? In your opinion, would such reduction be too much in case of using two XL motors, which provide much more torque than the L motors? Thx

  12. Nico71 says:

    Still not, building a loom is so long that I make it step by step. At this time, I have tried many thing and I am not very satisfied of the WIP.

  13. Karsten says:

    Wow!

    It looks really cool. Great job. I’m waiting for the instructions.

  14. bob says:

    can i build it without them?

  15. bob says:

    i don’t understand, why do you need those motor cycle wheels?

  16. David says:

    Dear Nico,
    I’m really looking forward, to when do you want to build/create your next loom machine. You said, you are working on an other, which is going to be better and faster. So, are you working on it?

  1. 13/12/2013

    […] RM8′s Toyota Prado. And since I wanted to build something cool, I decided to build and alter Nico71′s Trophy Truck with CVT. I basically tried to maintain the looks of it, but make it manual, with a 4-gear transmission, HOG […]

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