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  1. APL

    APL's V4 Cruiser Build.

    Great day in the morning, batteries came today! Only took three days too! Now I get to see what kind of bad move I've made. :confused: They weren't kidding when they said the packs come apart easily, the glue doesn't stick very well. (The blue cells are double shrink wrapped, in case your...
  2. APL

    The NEFASTUS Axial motor (Toy Version)

    Welcome to the Endless Sphere ardillo lambo, and welcome to the Motor Tech section, good to see another motor build going on. :thumb: Good luck as you travel through the vast immensity of motor building, and looking forward to seeing how this project turns out. 8) As far as back iron thickness...
  3. APL

    APL's V4 Cruiser Build.

    That's right, if the controller was at limit then it would be a hard limit that wouldn't vary. Well, I might be able to test that pretty soon, because a battery deal just fell out of the sky and I jumped on it, so I can feed that controller more than it wants pretty soon. :thumb: Battery...
  4. APL

    APL's V4 Cruiser Build.

    Wow amberwolf, that's an amazing search effort and info! Thanks! :thumb: I haven't seen the Manshine Dynabat spec sheet,.. kinda tells it all. 5A max and .5A discharge is a kick in the nut's, but it's still 55A at 11P, and all I'm after 'for the moment'. New cells are in the near future...
  5. APL

    APL's V4 Cruiser Build.

    Could be, at least on the 80A controller it would make sense, as a watered down pre-programed generic, 80A is a lot for a newb to handle. :shock: Would need to get inside and do a mind-meld. I wouldn't mind at least trying to decipher the USB connect, but don't know if the programing is...
  6. APL

    APL's V4 Cruiser Build.

    The conditions for the test are locking the brakes up and giving it full throttle usually, only this time I didn't need to, because the throttle is so soggy and the 500w max is obvious. (It acts like it's in the 72v mode, so I'll check that out today.) I'll check the voltage sag too, but I have...
  7. APL

    APL's V4 Cruiser Build.

    I just charged the battery so I'll give it another voltage sag test at it's best. I added another B- plug that bypasses the BMS and shunt, so I can go either way, but it doesn't seem to make any difference yet. I'll try it again with the fresh charge. Cobbled on the other crap controller and...
  8. APL

    APL's V4 Cruiser Build.

    I was really losing faith in the cells, but now it's been restored a little, (for now), and need to look elsewhere first. Yes I've been learning about the controller bain, like a rocky road, rough and harsh. I was hoping that this controller might save me from the 'search', but it appears to be...
  9. APL

    APL's V4 Cruiser Build.

    Well my precious battery box is still a white elephant in the room, but I refuse to believe that it won't give me more than 30A. :cry: Only 1P is needed to do that. Plus, I road over 50 miles on the last charge without a single pedal stroke and I didn't baby the throttle, so if a large number...
  10. APL

    APL's V4 Cruiser Build.

    Well I gave it a test by applying the brakes and loading it down to a point close to stopping the motor at full throttle, and it's the same 1200 -1300w max watts,.. no matter how much I stress it and load the motor down, it's never shows more than that. I tried the low and high settings on the...
  11. APL

    APL's V4 Cruiser Build.

    Thanks for the info on the 3 speed plug amberwolf, I didn't know the mid wire was a ground. I'll check that out, but don't have much hope for any real change. 60v -72v plug is an easy check too. (Still not sure what 'softstart' does.) Other than that I'm running out of options for waking up...
  12. APL

    APL's V4 Cruiser Build.

    Thanks for the shipping info thundercamel, definitely cheap enough. Sorry for the late response,.. I've been chewing the fat over the situation and thinking about what you said. Looks like I still need to do some detective work. If the old 80A Yantan controller is going to scam me for 50 amps...
  13. APL

    Special 6-seater bike build

    Are the wheels 14" from top of tire to ground? They look taller than that to me, what's the diameter? If I use the 14" wheel size you gave, and use a 400 rpm motor 'as a guess', and enter it into the speed calculator using your 50T max gear, I get 5.3 mph. A little faster than the 7 kph or 4.3...
  14. APL

    Special 6-seater bike build

    If I look at it in watts, you have 6 people pedaling at roughly 100 watts each at the moment, according to this Google search. If 600 watts of power is enough to make it move on pedal power, then 1200 watts will double that performance, and it's easier to figure what 2400w or 4800w of power...
  15. APL

    Special 6-seater bike build

    There are better freewheels to be had, but at a cost of course. White Industries freewheels are considered the best by many, and their jackshaft or mid drive units for tricycles and gas bikes are top. Some ES freewheel discussion, there are many others ...
  16. APL

    APL's V4 Cruiser Build.

    So tempting! :lol: Controller settings are unknown other than it's rated at 80A bat cont., so 50A more than the 30A I'm using, I'm thinking that it's not electronically limited because the watts have climbed a bit. Not suspecting the controller too much yet since it's pretty HD. But it is a...
  17. APL

    APL's V4 Cruiser Build.

    Thanks for figuring the watt draw for 8awg fechter, that eliminates that idea, and puts my mind to rest. That leaves the cheap $20. 100A shunt, the battery box, and the cells as suspects. Shunt seems in line with past performance watt readings, but needs to be dialed in a little. Battery box...
  18. APL

    APL's V4 Cruiser Build.

    I've been eyeballing those Panasonics for a while. :wink: 180 count is as perfect as the price is. I need unwrapped so that's good too. They say the cells will do 17 amps max. I found another site with more data, that states 2C = 6.8A max constant...
  19. APL

    APL's V4 Cruiser Build.

    After a couple of charge cycles and a weekend of long rides I realize that the bike is working better than it was last year, and doing it with less watts. More efficient motor and better gearing no doubt. Definitely not easy to drain the battery and takes a couple of days, so the cell capacity...
  20. APL

    APL's V4 Cruiser Build.

    Sounds like it should be a momentary push button on the high setting, for more top speed rpm when wanted, but maybe not something to leave on. Wondering what the low field weakening setting is good for.
  21. APL

    APL's V4 Cruiser Build.

    Thanks thundercamel, nice graph and performance/troubleshooting info. 1000w more or less, I don't have the CA shunt dialed in yet, but with the various launches, it's within 100w or so. Voltage sag seems somewhat normal compared to last year. I just got back from a new test ride with a fresh...
  22. APL

    APL's V4 Cruiser Build.

    Relative watts yes,.. twice the torque. :thumb: Either way, I live in fear of my bike now. Not only is it a bank robber,.. but it's going to try and kill me too! :lol:
  23. APL

    APL's V4 Cruiser Build.

    Laughing at the size of my KW? :lol: I know :oops: I feel nurtured. Where's the beef? But my secret weapon is the refill battery box. Controller and BMS are good for 80 amps, so that's not the problem. 3000w mid drive with a 2:1 reduction is 6000w at the rear, so yea, it should flip me like a...
  24. APL

    APL's V4 Cruiser Build.

    Weather was good today, although 60 degrees will bring a tear at 30mph after a while, at least I was able to pull the throttle back a few times, and see where it's all at. Good news is that it works prefect,.. nice and quiet, and accelerates right up to 28.5 mph in a snap! Draws about 300 - 400...
  25. APL

    APL's V4 Cruiser Build.

    I know, what was I thinking! :lol:
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