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  1. M

    Folding mid drive conversion options?

    Muxs xf15 hub, steel gears, oil cooling 1500w continuous with mods
  2. M

    FLIPSKY new 20s 100A tiny controller (vesc based)

    Hi Bathchris, i have two of the early white board ones that im yet to install in a bike with a 3kw ipm like the new ones ones in the lightning rods kit and a solar pump. I'm curious what motor you are using with your scoot do you have some photos and specs of the motor in your scoot ...
  3. M

    IPM motor

    Hi. Senlimagnetic make the lmx motors I bought an SL-120-12-30 and 35 size from them and they took less than 2 weeks to ship to Australia from China. They make the 40 50 60 and 80 size as well .
  4. M

    Mid-drive IPM motor options?

    SL120 series ipm 62.5kv 0.35mm lams N40sh magnets 12 slots 10 poles 120mm stator dia 12 and 14mm shaft available with 4x4mm keyway also supplies 219h sprockets photo of internals of their ipm type SL120-12-30 data for IPM type 30, 35 and 50mm length stators
  5. M

    Mid-drive IPM motor options?

    I thought I would bump this thread because IPMs are cool and i found some more small ones , check out the offerings from senli magnet This one looks remarkably like the new small block IPM from Lightning Rods it might be nice on a norco fs frame i have gathering dust...
  6. M

    3D printed 400mm EDF project

    Hi, nice work. you are likely loosing a lot of thrust because your diffuser thrust straightening fins are not angled and are likely in a stall. you might study pictures of ones off actual aircraft. the air coming out the back of the fan is turning about the aixs and this needs to be caught...
  7. M

    FLIPSKY new 20s 100A tiny controller (vesc based)

    The 75/100 is now back up on their website
  8. M

    FLIPSKY new 20s 100A tiny controller (vesc based)

    Hi All,I started a new thread about vesc based pump controller , it can be found here: https://endless-sphere.com/forums/viewtopic.php?f=41&t=114895
  9. M

    FLIPSKY new 20s 100A tiny controller (vesc based)

    I bought two of these , one for my ebike and another for a solar pump one can make the vesc work as an autonomous solar pump controller for pumps that have either a brushed dc motor or a 3 phase PM motor , and are fed directly from solar panels with no battery. I have an older flipsky 4.2...
  10. M

    solar pump batteryless mppt control using flipsky vesc

    How to impliment MPPT tracking of a solar array to drive an electric pump using a flipsky vesc mini 4.2 how i used a cheap flipsky vesc to replace a solar pump controller and program it to operate directly from solar panels with no battery and serve as an mppt variable speed pump driver that...
  11. M

    Bosch mid drive with vesc controller

    In reply to limbs query ; the version i was working is the rare one built for a back pedal braked rear hub and has no freewheel so the kick on was a real problem, for one with a built in freewheel a lower sensor polling frequency and or slower power roll off ramp would be fine.
  12. M

    mxus xf15 gear hub motor teardown

    hi again fourbanger i forgot your second question, " why is it better than the SWX02 series ?" because it has thinner laminates and comes in a faster wind i could not find an swx with a goodly fast wind and the xf15 sold as a 36v motor has less turns and more wire than any of the swx02's...
  13. M

    mxus xf15 gear hub motor teardown

    Hi Fourbanger, the measurement changed when i went form eyeballing it and guesstimating and getting out the calipers, for the greenpedel motor it is sitting in a box abandoned because the motor was not a bafang. it had a plastic ring gear and the motor rotor was horribly unbalanced and i was at...
  14. M

    Bosch mid drive with vesc controller

    regarding the corratech the bike was modded for a friend and he sold it but yes the bike is still going strong with the new owner
  15. M

    Bosch mid drive with vesc controller

    Hi Kosio86, if your torque sensor was damaged i would expect it to either give more power than usual for pedal effort, there are reports elsewhere on es that talk about failing torque sensors and when their spring gets weak or crushed by the elephant legged individuals who can stomp harder than...
  16. M

    Mid-drive IPM motor options?

    Hi Nice discussion , Seeing as you are all looking at big flat motors for a killer middrive, i thought i would add my latest to the mix , probably a lot more affordable than most of the others as well its the core out of a muxs xf15 1 108mm x23mm stator wound with 6 turns of 10 inhand 0.5mm...
  17. M

    mxus xf15 gear hub motor teardown

    Building a battery now with A123 AMP20 20 ah pouch cells will be 14s 1p to go with a flipsky 12fet vesc6.6 and hopefully saturation will be a little more than the 60 battery amps that the vesc is capable of. More pics to follow , slowgress is progress
  18. M

    mxus xf15 gear hub motor teardown

    This one shows the nice wheel i built it into in the back ground And the mostly installed item in the bike with one motorcycle tyre 16x2.5" vee rubber up front and a bmx on on the back while i wait for another like the front had to cut of the V brake bosses to fit the moto tyre on the back...
  19. M

    mxus xf15 gear hub motor teardown

    add important detail;drain plug Solvent clean and scrub, assemble gears and clutch insert beastly outrunner (0.35mm lams 24mm thick 108mm stator wound with 6 turns of 10x 0.5mm wire in wye )
  20. M

    mxus xf15 gear hub motor teardown

    This shows all the terminations, what you dont see is that under the heatshrink the wires ends are all soldered and then coated in oil resistant silicone this is then squeezed by the heat shrink hopefully sealing the wire core and insulation against fluid creep. it has been a couple of months...
  21. M

    mxus xf15 gear hub motor teardown

    This was all done ages ago but i work full time as a groumdwater tracer scientist and have a 6yo daughter .., slogress is progress any way i digress... Now you can all watch it all speeded up into a few of the best pics .. now to get rid of that useless hall board, you can also see that i...
  22. M

    mxus xf15 gear hub motor teardown

    Innards are coming out
  23. M

    mxus xf15 gear hub motor teardown

    Well thanks Amberwolf for your wonderful educational pieces now Back to the Topic. this one shows numbers on the pair i got photos
  24. M

    mxus xf15 gear hub motor teardown

    here are some pics if i can make them work
  25. M

    mxus xf15 gear hub motor teardown

    I just found this complete gearset 47.5mm by 13.5mm 36t...
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