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  1. C

    Does anyone have a throttle on a KT controller?

    I have a classic Chinese thumb throttle on my KT, and it works just fine, but not with the KT. Before I installed the throttle, the hall sensor inside was drawing 4.8mA @ 5V and it was outputting 0.824v @ 0% throttle, and 4.24v @ 100% throttle. Everything looks good here. Now when it is...
  2. C

    Which version of the forum GUI would you prefer?

    Which option does your brain prefer at first (or second) glance? :mrgreen: Option A Option B
  3. C

    Link for all threads

    Before the forum software update I had bookmark that would allow me to see all threads from all the subforums. https://endless-sphere.com/sphere/forums/21/ Now it doesn't work. Is there a way to see at a glance of everything that is happening without going into each subforum?
  4. C

    Kunteng KT LCD-8 display C5 setting

    I can't figure out what 00, 01 and 02 settings actually do. I tried them on the bike, but don't really notice a difference between any of them. Does 00 mean that power will be ramped up to maximum in 3 step? Doesn't make any sense why it would be designed with steps since the controller could...
  5. C

    The very fake and counterfeit Avid FR-5 brakes I received from Amazon

    I had some 18 year old Avid FR-5 brakes that worked very well and were in excellent condition, so I decided to buy another pair on Amazon. Here is what I received. :mrgreen: Side by side pictures of the 18 year old originals in grey, and the "new" ones in black. I really hope they are fakes...
  6. C

    Why the inductance difference between windings?

    I measured the following on a brand new AKM128 motor. Blue <--> Green = 19.737 ohms (375uH) Blue <--> Yellow = 19.773 ohms (411uH) Green <--> Yellow = 19.764 ohms (357uH) Lowest winding inductance is only 87% of highest. Resistances are good, since this should just represent the length of the...
  7. C

    Does my brand new hub motor (Aikema AKM-128CST) have a bent axle? (4K video)

    So I made a really sturdy bench motor mount out of a 2x4 clamped to the workbench, and plywood sides that are glued down and screwed down. And I noticed that there is a very visible wobble that it seems the axle is introducing. I have never owned bike motors before, but this does not seem like...
  8. C

    12mm axle in 10mm dropout, does it need to be filed?

    I'm assuming the most typical rear dropout on an MTB is 10mm nominal (mine is 10.4mm actual) and 135mm width. Most hub motors designed for this size have a 12mm axle that is ground down on each side by 1mm. This is how an actual 12x10 axle will look like in a 10mm dropout (well, 10.4mm in the...
  9. C

    What can a Grin controller + cycle analyst do that KT controllers + KT display can't do?

    From my research, most Grin motors have temperature sensors in them, and the cycle analyst is able to read internal motor temperatures. Undoubtedly a very useful feature. But what else?
  10. C

    current selection of rear geared cassette hubs

    I'd like to electrify a recumbent trike, and I think I narrowed it down to what I need/want. Reason for electrification: go further without over exhaustion. Don't need help climbing hills. I have gears on the front and a 9SP mega-range in the back. I need the exercise. Electric to basically...
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