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  1. markw

    Mark's Vector Thread

    Hi there everybody, My Vector build has taken shape over the last couple of weeks. If you've followed any of my other build threads you probably know I like to keep them organized and tidy. For now, this is going to be a photodump and thread reservation - it'll take shape as progress continues...
  2. markw

    Amps seem to dwindle off WOT, 18fet programmed wrong? (pics)

    Hi there, Testing my controller settings on my heavy vector bike / mxus 4t / 20s 25Ah LiPo battery. Programmed settings on my trace upgraded 18fet were at 64 battery amps / phase limits at 165. Predictably, my max battery amps real world were at ~82 peak... but by no means did they sustain that...
  3. markw

    LiPo charging with high powered frames?

    For those of you who dont use BMS and are still using lipo chargers on high power frames like vector, flux, nyx, stealth frames... What does your setup look like? I have made myself a harness for mine that uses andersons inside of a CM 8 chasis that i could install somewhere on my vector frame...
  4. markw

    Mark's pre-rebuild electric bike help thread

    Hello friends, I'm in the process of rebuilding my bike into a Vector frame and I'm very excited about it! My understanding of these systems is very little so I thought I would make a quick post over-viewing the system for your approval. The goal here is to have a 24s/36Ah battery pushing thru...
  5. markw

    My LiPo monitoring balance charging dream machine

    Basically a cell-log but for 12 or more (or simply, a large number of) packs of 4-6s. Monitors voltage, logs data, trends data, measures IR, alarm option for specified low voltage, comes with a temperature probe to place in your brick/compartment/battery storage. Balance leads plug in on one...
  6. markw

    18fet only drawing ~42a? What am I doing wrong?

    Hello ES, Just got some new toys from Lyen! With new toys, new questions. CA is reporting that my 18fet is only drawing around 42a from my 20s2p RC LiPo battery. I've programmed my throttle correctly, indicator shows 99% throttle at WOT. I'm wondering what I'm doing wrong here. To help you help...
  7. markw

    Help me troubleshoot a 2007 Kona Stinky Build!

    Hey ES, General brainstorming thread - I'm not going to spit specs but I bought a Kona Stinky for dirt and I'm mad pumped about it. This particular Stinky is a from 2007 - decals show "Garbanzo Stinky DC" because it was special built by Kona for Killington Ski Resort when they opened their...
  8. markw

    LiPo: Balance leads connected in parallel 24/7?

    Hi ES, There's been a looming question in my head for some time and I really don't know how to research for the answer, so I thought I'd bring it up here. I'm curious as to what would occur if one were to leave the balance leads connected in parallel (to a tap) 24/7 including during use...
  9. markw

    Mark's Winter Project: Kona Stinky, 3000w MXUS 4t, 20s

    99% there... A huge thank you to the entire forum for helping with this build through direct correspondence or posting your content/ideas which I probably stole, but these individuals were noted to be instrumental in the build process and for this get...
  10. markw

    Plugging a parallel harness into another harness?

    Hey ES, Can you plug in a 1x6 paralell harness into another harness? Question applies to balance and mains. Max 20a from the charger, wires are 12awg, the plugs will always be paralell down the harness, ... Why not? Similarly the balance harness will keep all the cells on their correct wires...
  11. markw

    Specialized Stumpjumper FSR / Yescom+LiPo POV Camera

    Hey ES! Just uploaded a video to youtube of a recent cruise on the electrostumpy. Recorded with a gopro hero3+ black at 1080. Tested out some new fenders and mumbled about stuff I still need to do. Very impromptu but also pretty fun video packed with beautiful scenes of portland maine in late...
  12. markw

    Help troubleshooting strange problem: yescom / LiPo

    Hi guys, Not sure what's going on but when connecting my battery pack throttle leds light up but won't give me any power to the motor. Variables that could be the problem: Cells in LiPo got a slightly heavier voltage charge (all balance) last night. All cells in my 3s2p 5s turnigy got...
  13. markw

    2001 Stumpjumper FSR / Yescom 1000w / 15s2p 10Ah Lipo - WIP

    Hello ES, Today I would like to share with you my full suspension, direct drive, work-in-progess electric bike! 1.) 2001 Specialized Stumpjumper FSR. Fox Float R in the rear (75mm at the moment, I think it can do 90mm though 90mm travel![9/8]) and a Rockshox Judy in the front. This was a...
  14. markw

    Some LiPo rules were broken, help! (pics + explanation)

    Hi guys, Recently completed my bike build (post incoming! :)) and started some tests. Took it on it's longest journey to date today and something bad happened. Bike ran out of juice. Ffffuuu--- . Should have checked the voltages more closely before leaving to go home. I pedaled home (10...
  15. markw

    Need Help Identifying Electric Bike...

    What is this thing? Seller claims it is a 2012 Prodeco Genesis 500. I can't seem to find any prodeco bike of this nature. Any help on what the heck it is? Claims aluminum, 6 speed, 36v lithium. That frame is so... weird. Has the making for a rear rack or fender. Any input on what this is would...
  16. markw

    Dakota Lithium 12v 10Ah to replace eZip SLA?

    Hi guys, battery noob here, but I've been reading your forum and studying up a bit and it's been a lot of fun. Thank you for all of your postings, DIY guides, pictures, and more. Question a.) Been trying to find out my LiFePO4 solution for a while. Currently my eZip MTN 2008 runs on SLAs...
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