Search found 111 matches

by drunkencat129
Jun 20 2018 7:10pm
Forum: Motor Technology
Topic: KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)
Replies: 3323
Views: 141325

Re: KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW

hey guys wondering if some one can help me out i got a kt 18 fet i got with 4110 fets and 100v caps moded to it also built up the traces does any one know how to make the power on circut support 100v i can replace the voltage reg with a dc to dc converter but is that only thing i need to change thanks
by drunkencat129
Jun 02 2018 7:15pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: daymak eagle mods ruckus parts
Replies: 1
Views: 274

Re: daymak eagle mods ruckus parts

update pics
download42a2cc70_57f__2fstorage_2f7A13-8039_2fDCIM_2fCamera_2f20180602_155646.png
download42a2cc70_57f__2fstorage_2f7A13-8039_2fDCIM_2fCamera_2f20180602_155646.png (398.29 KiB) Viewed 271 times
by drunkencat129
Jun 02 2018 6:56pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: daymak eagle mods ruckus parts
Replies: 1
Views: 274

daymak eagle mods ruckus parts

ok guys if been away from forums for a few years thinking of coming back starting a new project
got a free honda ruckus/zoomer clone called daymak eagle plan is to put a 100v 18fet controller and hoop up this escooter
downloadc143188e_fc3__2fstorage_2f7A13-8039_2fDCIM_2fCamera_2f20180526_160942.png
downloadc143188e_fc3__2fstorage_2f7A13-8039_2fDCIM_2fCamera_2f20180526_160942.png (399.03 KiB) Viewed 273 times
by drunkencat129
Dec 02 2014 11:26am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

BYqSXt8Z wrote:so where would you put the resistors on this circuit board design to increase the discharge rate? I have 100 1ohm 5W resistors sitting around.
2014-08-19 17.37.22.jpg
Simple toss that baby on discharge and look for the aray of resister with same value that make heat
by drunkencat129
Mar 03 2012 11:47am
Forum: E-Bike Technical
Topic: Modding my EB236 150V controller the same as my EB318 12kW
Replies: 30
Views: 3950

Re: Modding my EB236 150V controller the same as my EB318 12

me and stevo did 150v controller with 4115 thay whould blow out under load and did it on a 32fet did same we changed fets to bigger batch fets and problem was gone it may have somthing to do with switching because only one whould blow ramdomly threw out the controller we wired the 12fet with the big...
by drunkencat129
Feb 04 2012 8:49am
Forum: E-Bike Technical
Topic: So, my brother wheelied my bike.......
Replies: 40
Views: 1809

Re: So, my brother wheelied my bike.......

pretty hard into the ground catching the rear mech and snapping off doctor bass' torque arms. I should say at this point that I couldn't get the epoxy type that he'd suggested so used some other supposedly special metal formula epoxy. Otherwise I'm sure they would have survived the crash. So I desi...
by drunkencat129
Feb 04 2012 8:42am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

just quick update there still going strong :P also noticed in cold thay read off then at room temp also thay make amazing hand warmers :P guess i found a use for thoes old turnagy cells that where a few mah low for the pack i salvaged lol
by drunkencat129
Dec 23 2011 10:08am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

i know what u mean only thing is thay will be few .03 mv off but its not bad id love for them to be dead on but its cheeper then buying a 400$ bms also one tip id do is replace the conecters with good gold plated conecters or u solder some vga conecters to the cells ballence tabs and replace the jst...
by drunkencat129
Dec 16 2011 12:25pm
Forum: Battery Technology
Topic: A123 20AH cells source?
Replies: 520
Views: 57850

Re: A123 20AH cells source?

i think we should arange a swarm buy im intrested whats there c rateing just wondering
by drunkencat129
Dec 06 2011 6:26am
Forum: Battery Technology
Topic: "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...
Replies: 951
Views: 121928

Re: "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS.

was wondering i need bare boards u got some in stock ill send u pay pal payment for a 24s lipo bms
by drunkencat129
Dec 06 2011 5:39am
Forum: E-Bike Technical
Topic: to-220 mosfet to to-247 PCB
Replies: 63
Views: 5064

Re: to-220 mosfet to to-247 PCB

was wondering for wheel lock problem is there a way to control how much amps u can use up to a preset speed wonder if its posible because u chould make a amp limiter up till it starts moving above 3km or at least 1 rotation almost like a pedle start what u guys think ? thiss will also fix the holy s...
by drunkencat129
Dec 06 2011 5:25am
Forum: E-Bike Technical
Topic: 18FET to 12FET TO247 controller conversion
Replies: 5
Views: 1880

Re: 18FET to 12FET TO247 controller conversion

I kept seeing people question the feasibility of putting TO247 FETs on an Xie-Chang type board. I was thinking of making a 'here's how I would do it' post, then decided to just do it. Anyway, here's how I'd do it. :wink: 12x TO247 XieChang 1.jpg 12x TO247 XieChang 2.JPG This is a prototype for an E...
by drunkencat129
Nov 25 2011 9:22pm
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

acualy i was thinking of mounting the hot side of a pelter to the resisters so it can create power on the pelters positive and negitive side :P saw somthing on instrustables on how to make a power with pelters useing cold or heat :P may be enouf to power a small fan :P if not just slap a bar of copp...
by drunkencat129
Nov 23 2011 1:01am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

Still working strong lol lost 3 of my back plates :( so i guess 3 will be be back less lol i got 2 amp discharge out of them max ran them for 20 cycles runs amazing only thing is jst wires get hot lol so ill stick to 1 amp lol disscharge lol also resisters get super hot at 2 amps lol need bigger wat...
by drunkencat129
Nov 23 2011 12:57am
Forum: Battery Technology
Topic: Battery Medic Calibration
Replies: 13
Views: 1333

Re: Battery Medic Calibration

im currently working on a way to calibrate the medic so far found out thay use resisters to calibrate but need to test thiss so far found theres 2 models of the medic one has big chip under the other has a black epoxy dot the dot one is crappy the chip type one is better from what if found more acur...
by drunkencat129
Nov 04 2011 11:38am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

Iv used the first one I did for a year with no problem been useing meanwell supplies to charge 100v 15ah Turnagy packs so far about 19 cycles with the BMs moded thay run good just keep them face down to help with heat next mod is replacing the crappy jst that cause the voltage reading problem with g...
by drunkencat129
Nov 03 2011 2:38pm
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

UPDATE here is the finished product its fits in the case and is thin to here are the pics what i did was a removed all the smt resisters on the board and put one 3.9ohm 3w resister that added up to the total value in the end it discharges 1A per cell i did mod it to go as far as 2A but the ballence...
by drunkencat129
Oct 22 2011 2:00am
Forum: E-Bike Technical
Topic: to-220 mosfet to to-247 PCB
Replies: 63
Views: 5064

Re: to-220 mosfet to to-247 PCB

WOOT me and steveo just did a run tonight with the 12 fet controller runing the bigger fets and it ran :P and jesus crist was it fast lol need a seat belt to keep his ass on the trike lol got vids are going up soon going to make a new vid soon got radar gun :P to get proper top speed so stay tuned t...
by drunkencat129
Oct 14 2011 10:24am
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

i ordered both from hobby king and ebay and found thay are acurate the ebay ones are 18$ shiped the hobby king ones are 23$ and thats b4 shipping so far i noticed if the resisters inside the smt ones look smallaller then normal it varrys in voltave 2mv diffrence but thats nothing so far left mine on...
by drunkencat129
Oct 13 2011 4:47pm
Forum: Battery Technology
Topic: battery medic mod :P fast discharge
Replies: 85
Views: 9501

Re: battery medic mod :P fast discharge

Just an update the Balancing are still going strong no problems one good thing there good for is lipo chargers that have weak and slow balancing I just use thease Badboys and thay do an amazing job now I'm going to work on a way to include the resisters in the stock caseing just ordered new resister...
by drunkencat129
Oct 10 2011 1:49am
Forum: E-Vehicles General Discussion
Topic: 70mph 112km/h.. on flat TODAY that's my new speed record !
Replies: 17
Views: 2898

Re: 70mph 112km/h.. on flat TODAY that's my new speed reco

T_T 150v controller poped 2 times so far but only one fet only gets nice speed but mid range it blows up as it picks up speed looks like we got to jump to bigger patch fets :P i got a doner ready to go with 250v fets at 80amps ^_^ 70mph thats it???? Kidding LOL i have good feeling about the hx motor...
by drunkencat129
Oct 07 2011 8:54pm
Forum: E-Bike Technical
Topic: xc846 board, TO-247, fets blown!
Replies: 23
Views: 2521

Re: xc846 board, TO-247, fets blown!

Hi all, I have bought an e-scooter with a 3kw brushless hub motor and worry about which controller to use. I removed the existing controller (only for 60V sla) and was just about to order a new 24fet infineon, so that I can attach 24-27s A123 batteries. But after opening the controller housing, I s...
by drunkencat129
Oct 07 2011 8:41pm
Forum: E-Bike Technical
Topic: zero volt and cell count error ??
Replies: 23
Views: 1300

Re: zero volt and cell count error ??

i ignored (or missinterpretated) the low voltage alarm and ended up with one "dead" cell in one of my 6s zippy packs. i connected the pack to several chargers, and all of them showed 5s packs. then i tried to charge them (0.1A only) to see what happens. of course the pack was put in a lipo safety b...
by drunkencat129
Oct 05 2011 7:14pm
Forum: Motor Technology
Topic: Oil cooling for hub motors
Replies: 9
Views: 1641

Re: Oil cooling for hub motors

it will work u just fill the motor with a bit to cover the winding but to seal the thing u take ur sealed bearings apart and use silicone oil in them to keep it from coming out its a little thick but helps keep oil in ^_^ or u can just fill it and see where it takes u lol use minaral oil works good ...
by drunkencat129
Oct 05 2011 6:55pm
Forum: Battery Technology
Topic: 40S (170v hot) ebike battery. Anyone ran higher yet?
Replies: 60
Views: 3991

Re: 40S (170v hot) ebike battery. Anyone ran higher yet?

was wondering are thease fets good IXTK80N25 there 250v fets at 80a not bad if u think about it 50 amps is good enouf torq on a 5304 at 100v with 200v u get that extra top end that makes it nuts i can live with 50a limit the volts is where the speed is at ^_^ was thinking of useing a 12fet board and...