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  1. Rolling_Friction

    Help required!! First build - Trampa E mountain board

    Not sure when vescs got a bad rap for mountain boards. I've driven single drive trampa mountain board without any issues. Granted i doubled down on aluminum heatsinks
  2. Rolling_Friction

    Mountain Board 2.0

    I found this to be a convinient way to quickly switch and recharge packs.
  3. Rolling_Friction

    Mountain Board 2.0

    https://www.youtube.com/watch?v=jXliRY9aCrs&feature=youtu.be Intro https://youtu.be/VKMmj7KZ-xo a quick test run by the lake :)
  4. Rolling_Friction

    Newbie motor questions

    for practical purpose think kv# corresponds to the ideal rpm at which the motor is at its best. lower kv motors perform best at lower speeds. for gearing; Mountain-board wheels are generous with the amount of space you have for gear ratios of various sizes, there is bigger space restriction for...
  5. Rolling_Friction

    Post your e-board videos...

    https://www.youtube.com/watch?v=jXliRY9aCrs&feature=youtu.be a quick test run by the lake excuse the shaky cam :) https://www.youtube.com/watch?v=VKMmj7KZ-xo&feature=youtu.be
  6. Rolling_Friction

    Mountain Board 2.0

    I added a latch by riveting it on a small L bracket and attaching it to the front. there are two hinges in the back. The bottom is plywood. I really don't want to drill anymore holes in the deck then absolutely necessary, so I used the holes for the rear bindings to attach both the battery...
  7. Rolling_Friction

    Mountain Board 2.0

    I didn't have an enclosure in mind and I wasn't keen on stinking up my home with carbon fiber raisin, so I tried my luck with building my own out of plastic. I had some scrap plastic from lids of containers and such and thought I could reshape it if I applied some heat.. sure enough it was...
  8. Rolling_Friction

    motor choice

    I personally place more premium on the torque of motors. Maybe a more experienced user can chime in but i think 280kv motor might not hit its optimal performance with 6s lipos.
  9. Rolling_Friction

    Mountain Board 2.0

    I totally agree. though I will say that after adding a small heat sinks to VESC I managed to get more torque out of it. Now, after doubling down on cooling and and attaching comically large heatsinks I can confirm that my VESC is almost as powerfull as my 6s hobbyking ESC up the hills!
  10. Rolling_Friction

    Mountain Board 2.0

    most recent improvement is a new enclosure, graciously sent over by Puffin. Thanks dude this sleek new enclosure is probably as small as it gets for GTB based controllers. Honestly after haphazardly transplanting the controller guts 3 times into different controller husks im impressed that it...
  11. Rolling_Friction

    Mountain Board 2.0

    Hi everyone I Just updated updated a few bits on my board and I thought I'd share:
  12. Rolling_Friction

    first build photos

    That ESC cover is a great idea, especially with the potential air scoops. are the two buttons on the battery cover to toggle the battery indicators?
  13. Rolling_Friction

    Putting the Junk in the trunk

    LOL yeah not the best example in the picture. As for weight distribution, I never even thought about 180 degrees flips. I guess I spend most of my time just trying to remain upright on the board. but hey maybe it can do better wheelies? :mrgreen:
  14. Rolling_Friction

    Putting the Junk in the trunk

    I've been looking at many of the builds here for inspiration for quite some time. It seems that all the best Mountain boards builds have the same thing in common; their battery box is right in the middle of the board, top side. The list of advantages to this is probably long: Easy access...
  15. Rolling_Friction

    DIY Trampa long 35 E-MTB | Dual VESC | Sensored EMAX GT5345

    As someone who made his mount from nothing but a small drill press, some files and a dremel tool, I can appreciate the professional job. Looks indistinguishable from a proper CNC job!
  16. Rolling_Friction

    quick battery question for the wise and expirienced

    That doesn't sound bad to me. Until my other VESC arrives, I want to connect my 4 packs of 4s 30C 5000mah in 2 pairs and run the pairs parallel. so 3 of the 4 packs are 30C and one special snowflake is 30-40C. based on the replies (thanks btw) I seems that whatever abnormalities the 30-40C pack...
  17. Rolling_Friction

    quick battery question for the wise and expirienced

    hi I have a question. I just got a new turnigy lipo 5000mah 4s pack. What I didn't notice was that it is rated 30-40 c, unlike my other 4s lipos, which are just 30C. is it safe to connect the two in series? would they play nice together? or will fire and carnage ensue?
  18. Rolling_Friction

    How do I choose the correct ESC for my electric longboard?

    I think that if you get a motor that is around 192 kv, you will future- proof your board, in case you'll want to upgrade to 12s lipos in the future, granted that the motor is back-orderd at hobbyking right now
  19. Rolling_Friction

    Post Your Electric Longboard or Electric Mountainboard Build

    Posting my current build: Deck: Trampa holy pro 35 trucks: MBS matrix ESC: Chakas VESC batteries: 2 4s 5000mah lipos motor: single drive sk3 6364 213kv motor mount: DIY from 2( 1/2"by 6" by 3") aluminum slabs chain drive(using bicycle chain and sprockets GT2B remote in DIY enclosure XT90...
  20. Rolling_Friction

    2 VESCs dead in 1 week?

    Im far from an expert on the matter, but I also noticed that my single drive 8s VESC setup cannot do hills. the oddest part is how my 6s setup with a hobbyking 150a ESC could, even with reduced gear ratio!
  21. Rolling_Friction

    Mountain Board 2.0

    I just uploaded my first test drive: https://youtu.be/5LrjnknR6Iw there was a hill at the end that the board could not overcome. the strange thing is that I used to be able to make that same hill on a board that had the same motor, wheels, and only 6s lipos and a hobbyking 150A ESC, as well as...
  22. Rolling_Friction

    A few electrical/motor questions

    Im a big fan of using smaller packs (3s lipos) series. smaller packs are often cheaper, and if a few cells go bad in a pack, you won't end throwing away a costly 6s battery, only 3s at best. But the most important reason for me is shipping! which gets all kinds of restrictive if you buy larger...
  23. Rolling_Friction

    Mountain Board 2.0

    This is an ongoing project. Future improvement will include: a better enclosure for the batteries, made of something other then plastic taper ware An addition of another motor + VESC, for a dual drive. (managed to fry 1 VESC immediately upon plugging it in for the first time, so now I only have...
  24. Rolling_Friction

    Mountain Board 2.0

    The remote that I use to control the thing is in its 3rd reincarnation. I tried to make a better enclosure for the GT2B. the wooden enclosure looked comically large and fugly, so I opted for some plexiglass instead. though its now arguably less dorky looking, and has smaller form-factor it does...
  25. Rolling_Friction

    Mountain Board 2.0

    Hi everyone I thought I'd post some changes to the mountain board that I've been doing for a while. my first build was self admittedly mediocre: https://endless-sphere.com/forums/viewtopic.php?f=35&t=67790 Since then I changed almost everything: New deck: lightly used Trampa holy pro 35...
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