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JJ2

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Everything posted by JJ2

  1. JJ2
    Yea that's what inspired me to do something like this but I am going to do the mars exploration rover set
  2. JJ2
    That's what I thought but I am no Mars Rover scientist
  3. JJ2
    I have been thinking about building a rocker bogie suspension but I don't know how to stabilize the body.
  4. JJ2
    WAIT? Those are rare... I have tons of those in lime, white, ect. I am rich Sorry for off-topic post
  5. JJ2
    A gbc line would be cool.
  6. JJ2
    Another crawler set that can actually crawl (XL motors, no diffs, 4 link suspension, and or new tires.
  7. JJ2
    I dont know but this video was really fun to watch probably because of the awesome sound of the motor. Would it go faster if you stripped it of the body work and all unnecessary pieces?
  8. JJ2
    1. The main reason people use M-L motors for steering is the proportional of the steering instead of just one way right and visa versa. 2. The M-motor does not have more torque than the Servo motor but when geared down 3:1 it has good torque and if it stalls it stays in the same spot instead of returning to the center. Using a servo in crawlers is usually for smaller builds that are not very heavy because of the small turning angle and no way to gear it down. 3. Another factor to maybe the steering and drive problem is the 3rd party tires you are using, since they offer much more grip and the steering pivot is far outside the wheel they offer a lot of resistance against the steering motor so maybe try it using 9398's wheels and make the M-motor gearing 8-40 instead of 12-36. Hope this helped
  9. JJ2
    Looking great already will it have suspension?
  10. JJ2
    The drive will make the motor turn one way and reverse the other way, and neutral will just not turn the motor.
  11. JJ2
    Every time you update this I get even more blown away I really like the small curve in the bodywork near the ground. Why didn't you make the red in the chairs blue wouldn't the servo driving the double switches that go 45* instead of 90* be bad for the servo?
  12. JJ2
    Looks very fun to drive.
  13. JJ2
    Looking good so far but the rear axle could be more compact. You could maybe try something like my TC9 entry http://www.eurobricks.com/forum/index.php?showtopic=117872&st=0
  14. JJ2
    Realistic to the real thing
  15. JJ2
    Impressive performance for such a small scale. It does look like it suffers from torque twist though.
  16. JJ2
    @LXF your UJ needs to be in the steering pivot for proper geometry.
  17. JJ2
    OK good to know.
  18. JJ2
    Yes I myself was surprised by the performance ad this was originally just a test for that and when I realized I had made 4-link suspension I had the idea to make is the V2 Super Crawler. I am not very good it lessons but here we go,"Axle mounted motors are high in efficiency and has even better efficiency when mounted parallel." Yes it is a yellow sprocket, it just fit just right and had a great deal of friction holding it on to the hub. The tires are made out of a material kind of like the 9398's but a little bit softer. Thanks!
  19. JJ2
    YES! More e30 type videos (hopefully)! Anyway I really like the McPherson Front suspension with the adjustable shocks. On the rear axle are you sure the UJ's and CV's can handle the torque? I have blown out CV's with just regular PF motors.
  20. JJ2
    If you think this is failed you are WRONG! this is awesome for a first try even you used pits and bobs from other MOCs or sets. My first creation was laughable.
  21. JJ2
    Teaser time is over now so let get to it. This is my 8th gen crawler that I built to test the new tires I got and try using a 3:1 gear ratio with L-motors. It features full 4-Link triangulated suspension, 4x4 drive by two L-motors, and 3rd party tires and rims. IMG_0374 by JJ2Sam, on Flickr The suspension is full 4-Link floating axle suspension that has a maximum flex of about 50 degrees and about 1 inch of up-down travel. The rear motor is mounted parallel to the wheels to rid the axle of the weak 90* bevel gear alignment, the front axle due to space constants does not have the motor mounted parallel the the axle. It uses portal hubs and a M-motor for steering geared 9:1 for plenty of torque when steering. IMG_6258 by JJ2Sam, on Flickr IMG_6259 by JJ2Sam, on Flickr Although you might think the L-motors would not supply enough torque geared 3:1 but they did, thought my testing and crawling on surfaces the motors almost never stalled. The tires also helped because of their high surface contact patch and grippy "Nubs" although they are not as sticky as the 1,9 Ansmann tires. Also note the grass spinach in the rear 16T gear. IMG_6260 by JJ2Sam, on Flickr I modeled the bodywork after my V1 as you could probably tell but I made "custom" stickers from the 9398 set but printed them in yellow or regular sticker paper. Video Hope you like it!
  22. JJ2
    I think the main problem of your bump steer is how FAR away you steering pivot is away from the wheel (as you said earlier) so why did you make it farther away by putting pulley wheels on the portal hubs? I don't see the wheels rubbing on anything.(self promotion here) Why dont you try using kingpin like my Super crawler and 9398 MOD to get the steering pivot near the center of the wheels?
  23. JJ2
    Wow so awesome! I wish lego would release this as a set.
  24. JJ2
    Hello, I have discovered that when using Sbrick you can bridge ports and have double amperage and double power cutoff. I think this might be useful for MOC's but please give me your opinion. IMG_0385 by JJ2Sam, on Flickr The black 9v wire represents where the RC motor will connect. Thanks
  25. JJ2
    You do see a L-motor for propulsion Yes the long axles make it VERY stable, also it has a Low SOG making it be able to be at a 75* angle before tipping sideways and 80* before rolling.
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