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  1. L

    BMS or active battery balancer for 20s pack

    Hi all, So I find in an odd spot. Been around for a long, long time yet need some advice…….So for years I ran a Adapto MaxE controller with built in BMS and charging. It was wonderful……just charging and riding without a care in the world with a 24s15p 30q pack. So then I upgrade to the Nuc 24F...
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    Random motor cogging

    So my bike has a MaxE controller/BMS and QS205 3.5T motor. I get this random cogging with a sound that almost seems like the motor is out of sync or fight it self. Took the motor off and apart to inspect. FerroFluid looks great still after a few years now and hasn’t dried up a bit. All wires on...
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    MaxE died while charging....how to test?

    So after 4 years of super powerful plug and play bliss it decided to die. Plugged in to charge (10 amp charge) and after a few minutes the screen went blank. Breaker was tripped and would immediately trip when trying to reset. I’ve read of others meeting their fate this way so decided to pull...
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    My new battery for my bike.

    So I wanted a new battery basically just because I could....sounds goofy I know but my last pack of Koinions still could pump out 200 amps but I just wanted something that could hold a charge longer. I had a 20s15p V3 Koinion pack 1600mah for a total of 23 amps. I built a 20s15p Samsung 30Q pack...
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    New battery pack build.....25R, 30Q or VTC6?

    So it's time for a new pack and pretty sure I'm ready to order next week. So if I can choose from 25R, 30Q or VTC6 which way would I want to go. I read and read and always end up confused. When I compare the cells it doesn't really end up a fair comparison since I'll buy the cells to get the...
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    Next battery build for 100 amp continuous 200 amp peak.

    So I have a 14KW MaxE/QS 205 3.5T 17" Vector framed monster which I love. I ran it this year off of a 20s15p Koinion pack I built and it did great except when riding it as hard as I like. I am peaking at 196 amps and get big voltage sag after 20 to 30 seconds on a fresh charge. After 30 mins...
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    QS205 motor metric freewheel

    So I have a QS205 motor and when I bought it I was sold an 18 tooth freewheel. With a 44 front it's really hard to even phantom peddle over 20 mph. After 18 mph it's really hard to add input at all. I like to peddle because I don't want to be "noticed" and I like the physical side of bicycling...
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    The worlds best bike? I'm sold just can't afford it!

    https://vimeo.com/139942500 Wow what a super cool super bike and just a fantastic philosophy with a realistic approach. Too bad it's so expensive! Did I mention WOW? Tom
  9. L

    Smilies overload!

    Am I the only one that has smilies all over the ES site? I think I find it annoying!!! Tom
  10. L

    R-shunt value wrong on CA V2.3, how to adjust?

    I had Lyen beef up the traces on my 18 FET controller and I just realized my CA isn't ready correctly. For instance the CA showed I used 7700 mah and my charger, Thunder Power 820 showed 8833 mah which is about 12 1/2% off from what it should be. So how would I go about correcting this? is there...
  11. L

    My new 800 watt second Capacitor Discharge Welder

    First off thanks to Fritz for putting up with a new to building electronics! he is an awesome guy to develop an awesome machine for the fraction of the cost and then put up with new guys like me. Hat is off to him! http://frikkieg.blogspot.com So after wading through all the Chinese crap and...
  12. L

    So I bought a battery spot welder off Ebay.....

    I bought a battery spotwelder off of eBay because I was too lazy to build my own and with 260 something Konion cells I needed something. I understand the coil side of it but not the delay needed for a good weld. The one I bought has all that built in. Anyway I got it going today on 240 volts and...
  13. L

    Funny bicycle video......

    Found this quite funny......http://www.minds.com/blog/view/231844919164014592/guy-gets-ticketed-for-not-riding-in-bike-lane-makes-video-of-himself-smashing-into-things-in-bike-lanes
  14. L

    CA-DP to CA-DPS any one do this? ebike.ca kit?

    I decided to switch from a rear hub to a mid drive and really don't want to take the hit on the CA-DP I have trying to sell it. I went to ebike.ca and found this, http://ebikes.ca/store/photos/CA_Speedo.jpg While I'm sure the conversion is simple does anyone have a clue how to do it or have...
  15. L

    Perfect E-Bike battery?

    4 or 5 of these 16000 would make one heck of a great bicycle pack and easy to charge for simplicity. The 9000's as 2p are lighter than the 16000 but add a whole extra set of series connectors. Under 16 1/2 lbs for a 24s 16 amp pack is some light power! Gens Ace a great batteries! Tom
  16. L

    Bike stands and work stands?

    I built this Giant DH Team bike and I tell you it's a handful to work on. At 85 lbs it really tough to adjust anything while trying to hold the bike up. I've looked at various work stands that grab the bike by the seat post and most are rated 50 to 65 lbs. Not sure if they would live long with...
  17. L

    24s 15 amp lipo.....need a charger and BMS

    SO I've searched, read and now more confused than ever. I want convenience of simple charging for my bike. I do not want to separately or bulk charge 12 6s 5000mah packs so I started searching here, searching online and local for a 24s lipo BMS and a good quality charger that puts out 10 to 20...
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    Another Giant DH Team build but this time Clyte 4065 on 24s

    Been playing around wanting to finish this thing but life has put this on hold for silly things like work, family, holidays.....Just kidding! So I wanted a really cool awesome bike like Dr. Bass, GC in DC and the many others here on ES so here I go. I got a 2003 DH Team in pretty good shape off...
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    Giant DH Team build Clyte 40XX motor but which rim?

    So I'm building my DH Team large up and have a question that keeps nagging me. Should I do a 18" moped/motorcycle rim with a DOT tire or just stick with a DH 26" rim with DH tires? If I do the motorcycle rim I'll go with the 4080 or I'll stick to the 4065 with a DH rim. The bike will prolly end...
  20. L

    Wider than normal bottom bracket?

    So I keep hitting brick walls here. For my DH Team I was going to run the 3525 but now they are out of stock and Kiwi doesn't have any DH dropouts. So then I think about just doing a mid drive but it appears my lower bracket is wider than normal? I don't see how I could mount a GNG or EGO kit...
  21. L

    No Clyte 3525 so would a 5305 be a good option?

    Clyte 3525H out of stock so would a 5305 be a good option or should I just wait? I'm not familiar with these motors do they have the disk brake holes? Take a 9 speed cassette and just heavier? On the Hub Sim the 5305 is almost completely the same as the 3525 on 100 volts if I make the 5305 amps...
  22. L

    3525 or 3540 for my DH Team

    So I can't figure this one out after simulating time and time again. My DH Team bike I want to use for 70% Katy Trail and off road and 30% on road. I don't need to do 50 through the woods but want some big time torque so I'm thinking 3525 on 100 volts with the possibility of going to 125v. which...
  23. L

    Giant Reign 6" travel bike

    For my second build I was going to use a GT Force bike I bought but I had a few failures with the components so I shipped that bike back. I bought this bike second hand and overall a way better bike. Starting weight is 31 lbs which isn't bad for a long travel bike or at least what I keep telling...
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    Second build, full suspension GT Force 6" travel bike.

    Thought I would make a post about my new build. It's a new GT Force 6" Travel bike. Non powered it is smooth as silk and light weight for a 6" travel bike at 31 lbs for an XL frame. I'm 6' 4" and 205 lbs so XL was a must for me. It's an 18 speed 2 x 9 drive train and Hydraulic brakes with 180mm...
  25. L

    2011 GT Force 3.0 or 2009 Norco Stryk Freeride DH 6"

    This will be my first full suspension bike and both can be had for about the same price. The GT is brand new and the Norco is used but in very good (read low time!) shape. The GT ( http://www.giantnerd.com/gt-force-3-0-mountain-bike-all-mountain.html ) is on sale for a hair over a grand and the...
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