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  1. monster

    UK gov' consultation to allow higher power ebikes and throttles

    Hi The UK government is running a consultation to see if its a good idea to increase the legal ebike power limit. they are thinking about increasing the power limit to 500w and allowing throttle control, which seems sensible. If youre in the UK can you fill out the form? you have untill 25th...
  2. monster

    Kelly KBS controller variable regen setup issues

    i've wired up a brake switch and a second throttle to BRK_AN(2) but sadly the second throttle seems not to do anything. I was hoping to put a linear hall sensor and magnet on my brake lever. I've played around with the program settings. I can get regen with the brake switch which is good. i...
  3. monster

    EMCT1441 how to connect this controller?

    It says vcc near the positive power lead
  4. monster

    EMCT1441 how to connect this controller?

    Here is the inside
  5. monster

    EMCT1441 how to connect this controller?

    Hi Can't figure this one out. Its brushless. It has 3 phase and 5 wire hall sensors all normal so far... But Can't get it to fire up? There are 3 other connectors Black/white which i thought was brake or on switch. Red/black/green/yellow which i thought was throttle plus brake but could be...
  6. monster

    crack in frame. salvageable?

    If a magnet sticks to it, its steel. Otherwise its aluminum. If its steel, you might be able to slide a thick box section down the tube. Then you can weld it without worrying about blowing holes through it. You need to cut the folding mechanism off first. Test the frame by jumping up and down...
  7. monster

    Safety Power Switch suggestion

    I see no padding in these pics. Without foam padding the battery will bang into the frame and errode the cell insulation causing a short circuit through the frame. And fire
  8. monster

    BATTERY FIRE

    We need more info to even guess the cause of the fire. What battery? BMS? Was it Charging? How was it mounted? Hard case?
  9. monster

    can I change a cheapo BMS to be 4.1 volts / cell?

    It's worse than that. The cheap bms just cut off when first cell reaches 4.3v. There is no cell balance. They are just to prevent fire.
  10. monster

    How much power is too much power? (hub motor)

    When there is so much power that even the slightest touch of the throttle sends you on your back.
  11. monster

    UK will be electric bike capital of the world!

    Maybe now that boris is in charge it will be different? He rides bikes
  12. monster

    Why no V-brakes on Fat Bikes?

    Rim brakes are super annoying because there is so much to adjust. disc brakes are fixed and cant rotate hitting the tyre like rim brakes do. Rim brakes need to be adjusted on so many axis to kiss the rim e.g. up/down, rotationally, in/out. They have to be reguarly re-adjusted cos the adjustment...
  13. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    Yes sorry mate. I think i got a bit carried away. Looks like i will have to open it up after all.
  14. monster

    Lady needs a little help with battery build

    Looking at your pictures, the pack seems very close to the frame. I would be a little worried about the battery insulation being worn away by the frame banging into it on the bumps. You could get have a meltdown if it shorts out!
  15. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    Ah its not shorted there is resistance across the power leads
  16. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    Oh and there is a broken blue wire at the axle entrance too?
  17. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    So im guessing red is +5v, yellow is ground, and brown and orange are sense for throttle or pas? What do you think?
  18. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    so those 4 small wires im guessing are for a throttle or PAS? maybe its working but i just didn't supply the right throttle input to make it spin? This is a weird bike cos it had a massive controller shapped thing in the frame too. and one in the motor it seems...
  19. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    ah found this https://endless-sphere.com/forums/viewtopic.php?f=2&t=30050 thanks ypedal
  20. monster

    Ultra motor: What is this hub motor? Is it broken? How do i open it?

    Hi Bet you've never seen a hub motor like this before? I looks like a bruched motor with temperature sensors. but when i connect it to a battery it doesn't move just draws a big current. so i figured it must be shorted, but how do i open it? there are no bolts to undo? i tried taking half the...
  21. monster

    controller with computer on-switch won't switch on?

    Hi is there a way to by-pass a computer controled on switch to switch on with a normal switch? its the 5 wire display shown. I can't get the bike to switch on and i've tried a controller swap with a duplicate controller sent from the manufacturer. I've checked the throttle, halls and battery...
  22. monster

    any good 7s bms recommendations?

    Maybe all the short circuit tests i did killed it?
  23. monster

    any good 7s bms recommendations?

    Attached
  24. monster

    any good 7s bms recommendations?

    Yer im just using that to test this BMS. I've tested another one now and that one was ok. Cut off at 4.3v So maybe i just broke the last one as i was removing it from the pack to test? -i didn't want to wreck a good pack just to test the bms. So i stuck it on a week battery.
  25. monster

    any good 7s bms recommendations?

    Ha ha you must be joking! I've dealt with bestech before they are the worst. Give you 2 working then all the rest are rejects.
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