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  1. T

    Mounting options for lipo pack

    Hey all, I am looking for some advice on mounting my 6s 16ah multistar packs to a rigid mountain bike frame. I have 6 of them for a 18s 32ah pack. I was really hoping to mount them in the triangle, but it seems like i'm running into issues with that. I ordered a triangle bag from Lunacycle...
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    Programming a KH324-FS-1 infinion controller

    I just got a new 24 fet controller from EM3EV in yesterday. It's a KH324-FS-1, and man is it pretty. They're actually building good controllers these days that don't require a ton of mods to make them usable. I am finding just about 0 info on the KHxxx series controllers on here. There used...
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    Eltek Flatpak deal

    Hey all, I was trying to do some research into what I need for a nice fast charger, and it looks like the Eltek Flatpack is one of the most compact power supplies available, but it seems to be pretty expensive. I saw this on Ebay...
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    Back after 5 years away, have some charger questions

    Hey all, been away from the electric bike scene for quite some time due to work, life, and partially because a lady ran me down on my last bike. After my last bike was totaled, I wanted to build another a few years ago, got quite a few of the necessary parts (9c motor, new CA, throttle, and a...
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    Need help troubleshooting a controller build

    It's been a while since I touched my controller project due to the holidays, moving to a new house, and just generally being busy as hell. I picked it back up yesterday, and am feeling severe brain drain from not working on things recently. For reference, look at the last few posts in this...
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    What length spokes for a 9c motor and 29er rim

    So, i'm just about done with my controller for my bike, and need to get going on the motor. I need to lace up my 9c into a 29er rim, and I am having trouble figuring out what length spokes I will need... Does anyone have experience with this? Have any tips? What did you use? This is the rim I...
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    Tostino's water cooled 36 fet infinion

    Hello all! It's been forever since I've been around these parts. Mostly to do with when I had an accident with my old bike, got hit by a lady in a mustang who turned right into me. Had to have knee surgery, bike was totaled (motor had shorted phases, controller blew because of it, frame bent...
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    Want to water cool 36 fet controller

    Hey all! After being inspired by Steevo's water cooling effort with his 24fet controller, I wanted to try my hand at it with a couple 36 fets. I am planning on soldering copper tubing on the traces of the PCB, as well as on the mosfet heatsink bar, and running as much water through it as...
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    Best DC - DC converter for 36s lipo down to 12-14v?

    Hey all, I am getting ready to build a few controllers for 36s lipo operation, and I was wondering... Is there anything I can run off of pack voltage that will give me a 12v supply?? I only need a few amps at 12v, i'm not looking for a ton of power... What are my options??
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    How to combat high gate capacitance?

    Well I have a couple 12 fet controllers build up and ready for 133v operation. They are filled with 4115 fets. I have heard that these have higher gate capacitance than 4110's, or most other fets for that matter, and also heard that the Infinion boards are all the same for the fet driver...
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    Building up 150v 12 fet controllers

    Well it's been a while in the making, but I finally had a day off work, and the motivation to put the fets in a couple 12 fet controller boards I had ordered from Keywin... I bought some 4115's from Lyen to populate the boards, and just finished off that process. I beefed up the traces with...
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    Using infinion + bldc motor as wind generator?

    I was thinking about making a windmill using a Bafang (with locked freewheel) to charge a bank of 12v lead batteries. What would the best way be to rectify that to DC for charging the bank of batteries? Would it be possible to use an infinion controller set up for regen hooked up to it? Or...
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    Just to confirm... Meanwell s-350-24 to charge 7s lipo

    Well I got to work today, and I go to charge my battery on my bike... power supply is dead. Now I have a nice 27 mile ride home on 50mph roads, with only like 5ah usable in my battery, since I can't charge while i'm here =/. Anyways, I want to get a meanwell to charge my pack up with, and i'd...
  14. T

    high voltage cap charger

    Hey all, I was wondering if I could get some help with a circuit design to take a single cell lipo voltage, and boost it up to about 650v to charge a cap bank. I am completely unable to understand how to do this for some reason... I would assume i'd need a transformer, but in that case, how...
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    Best method of charging 36s lipo

    Hey all! I was wondering what your thoughts on charging 36s lipo with Meanwell chargers was? I'm wanting to make a pack out of some Zippy 6s 5ah packs, and was thinking bulk charging was the best solution. I was going to go for 6 packs in series, and 3 in parallel (36s 3p total) What would be...
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    Thinking of a new build

    Well, i've been pondering doing a new bike build here in the next few months... I was wanting to do an insane BMX build, and kinda wondering which route I should go as far as motors and controllers. I have been thinking a lot about getting a 24 fet controller kit from Steevo, putting 4115's in...
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    My stupidity (a controller help thread)

    I was really being dumb, and blew my controller while testing something a couple days ago. This is my PM to Methods explaining what happened (when I ordered some more fets). Well tonight I got some time, and I pulled all the fets out of the controller. I wanted to see if that was the only...
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    Back from the dead

    Recently, I decided I needed something to listen to music with. My mp3 players hard drive went bad, and I don't feel like replacing it, or buying a new one. I remembered a couple years ago I got my dad a mp3 player, and he just go another one this year for Christmas. The old one's battery had...
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    Thinking of new charger

    Hello all, I am currently charging my battery pack by putting my two packs in parallel, and charging it with a tp1010c rc battery charger. I am limited to 6.05a charging using this method, and it takes 8-9 hours on a dead pack to charge it up. My packs are made out of konion cells, and the IR...
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    Tostino's Ebike Rev-3 Recumbent

    Well I completed building the 3rd revision of my bike a couple weeks ago, and i've just been tweaking it since. The bike is a Sun EZ-1 Super Cruzer that I got for $150. It needed new tires, but that was all that was wrong with it. No rust or anything. I got a 9c motor from Ebike-Kit laced into...
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    Benefits of increasing capacitance?

    So I was looking around ebay the other day, and I came across these babys: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=200378617112&ssPageName=ADME:B:EOIBSA:US:1123 I decided I should order em, because they were pretty cheap :p. I know I can't fit that inside my controller, but I was...
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    Infinion/116 programming software

    Hello all, I just wanted to know what the most up to date software to program our infinion/116 controllers can be found? I got mine from the thread knuckles started in the tech reference section, but I don't think that is the newest version. Reason for me thinking that is I asked Keywin what I...
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    Bafang won't run

    I just got my new controller from Keywin, because something went wrong with the old one I had, and my motor wouldn't move. I just got done soldering my connectors onto the new controller, and tried to get it to spin using the same wire combo as my old infinion, phase: motor > controller y > g g...
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    Psudo bike A/C

    So as I wait for a new controller, my bike is getting no use. But I think to my self, it's really too hot to get enjoyable use out of it right now anyways. Just stepping out side for 30 seconds in the florida heat, I start to sweat. I'm drenched with sweat in minutes. This got me thinking...
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    Hub motor identification

    I got a hub motor from a member of the forum that was defective, and I wanted to try and fix it. I was originally looking for a motor with burnt windings, but couldn't find anyone with one of those willing to give it up. I than got a reply in my thread from Icecube57 saying he had an unknown...
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