piterx

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Posts posted by piterx

  6. Posted

    27 minutes ago, astyanax said:

    Holy fork, that's fast! What's that sticking out on the sides of the bike though?

    Those are flex hoses to prevent the bike from scratching when it reaches the maximum angle it can lean before the frame parts touch ground 

  7. Posted

    5 hours ago, WvG_853 said:

    Thanks for the explanation! I have to build one to check out how this works in practice.

    :) you're welcome! try building the small one it handles really well and it doesn't need a big space.

    i went out for another test and it looks like in ludicrous the bike needs stiffer suspensions, i believe i'll need to swap them with the yellow ones. Other than that it behaves really well!

     

  9. Posted · Edited by piterx

    On 2/15/2020 at 12:20 AM, WvG_853 said:

    Amazing and very original! First time I see a Lego RC bike. How do the motorbikes stay upright?

    Think about the wheels of a shopping kart, they have the pivot point in front of them so when you push the kart they're (almost) always rotating in the direction you want.

    The pivot point of the front wheel is mounted 2 studs away from it right behind the white number plate 🙂

     

  11. Posted · Edited by piterx

    Hi there guys !!! :grin:
    How's everyone?
    It's been so long ! I had another pretty long dark age plus some kind of "lego creative block" , plus i got into developing videogames last year so i've been quite busy.
    Recently a friend of mine got me into lego again and somehow that creative block went off also thanks to the purchase of a buwizz :)

    I've always been quite obsessed by motorbikes and finally with a buwizz i could give them the look i wanted and mainly not run after them :laugh:
    I've made two different ones both have something special:

    The first one is inspired by the 90's look of Honda's dirtbikes and in ludicrous mode it is honestly the fastest lego vehicle i've ever made. In the video it's running on "slow" mode. 
    It works the same way other lego bikes used to work but instead of moving an added weight i've figured out that moving the battery alone is enough to make the bike lean left or right.
    In the next days I'll shoot a proper video somewhere else where i've got more space to drive it in ludicrous :wink:
     

    https://youtu.be/o7YUIS2ne7Q



    The second bike is "better" in a way, it only requires an L motor, it can run on pure power functions while still being enjoyable, it's enough removing the fake fuel tank and attaching the PF reciver.
    This one is pretty fast as well when running in ludicrous and overall it's a lot of fun :) I will take a video of this one too as soon as i have the chance 

    https://youtu.be/-D2Kf-bZz0Y


     

     

    I really hope you guys will like them
    Bikes are not so common to see , it's kinda time to start making them :D if anyone is interested in the 3D files i'll happily share them :classic:

     

    Spoiler

     

     

     

     

     


     

     

     

     

  15. Posted · Edited by piterx

    here's a little test video just as a proof of concept... the bike stays up and does some kind of burnout on the floor as well xD

    the steering is really sensitive but i don't know how much it depends on the slippery surface

    if i dismount the chain and throw it straight even if it goes slowly it stays up due to the way the steering system is done.
    the pivot point is mounted 1 stud forward so while going straight it balances itself...the little rack moves the handlebar left and right but when it's in neutral position the handlebar has some free degrees to move freely

  16. Posted

    Hi everybody!

    It's been a while since i posted anything...
    I've been building some buggys and some 4x4 but at the end, i was always unhappy with the fact that it was something i've already done in the past... so i took em apart.
    At some point i was: you know what? i'll get into RC bikes wich is something that technic comunity lacks more or less.
    So after some prototypes that didn't really work i've finally made a decent one.
    For now it's only a chassis but it goes straight and can lean left and right.

    To be honest i haven't had the chance to test it properly as it goes really fast and my appartment is too small, plus it has some kind of marble as a floor so it's kinda slippery 

    i believe once i'll be able to test it properly i'll shoot a video of it. in the meanwhile if anybody wants to give it a go here are some pics so you can reverse engineer it :)
    I hope you'll like it!

    rbw7td.jpg

     

    6zvdib.jpg

     

    ix8rd4.jpg

     

    iblv28.jpg