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    Finally, Hanging with the big boys cromo/kelly/30s

    Finally, I can hang with real motorbikes and cars if i want..... this thing is quite a handfull with a 17"moped steel wheel and 12g spokes from holmes hobbies.shinko tire 2.5" love it .. methods last cromotor, fing beast with . KBL96251 from fany at KElly controls. Love it! infineon is junk...
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    Great Books Thread!! post your best TEN

    I know my life has be shaped by books more than anything else: i read everything i can get my hands on .....here are ten just off the top of my head. . . brave new world--huxley 1984 - - george orwell the prophet - kalil gibran ishmael - daniel quinn celestine prophesy - james redfield...
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    Flyback Driver based on 555

    Im collecting the parts for this : Do you think it will work with 12v and irf4110 mosfets? it is for a science project for my 12 year old girl. She likes sparks, do i need to change any of the parts, for the bigger mosfet? apparently the 555 can deliver 200mA into the gate, is that...
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    Dangers of Cycling Video

    https://www.youtube.com/watch?v=pX6MtWRGW3M
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    huge lipo fire , not cool

    15s turnigy 15s2p 5ah pack from hk, bout 2 years old aparently properly balanced, has not been charged in a week. bout an hour after charger was plugged in , exothermic dischage, scary as hell!! he was charging in his basement, which i did not recommend. luckily we were there too be as...
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    TED talk , cyclist, many of you can relate

    http://www.ted.com/talks/janine_shepherd_a_broken_body_isn_t_a_broken_person.html I have been close to death, not that close, but i have had friends and reletives that died, this talk raises some good points. near death experiances, pain, accidents, and ultimately death, helps you let go of...
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    Broken / chipped magnet makes motor have bad sound!!

    Ive got a thunk thunk sound , once per revolution. only makes the sound when power is applied, even when coasting, if u give a slight twist its almost as if its trying to rip itself apart!!.......seems to smooth out at higher speed. So I noticed a magnet has a 5mmX 7mm chunkc or chip out of...
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    HT35 "parts needed" OFFICIAL HyDro

    Im thinking this thread could be for complaining of a technical nature. I'll start!! Due to the HT35 not having hall sensors as a factory option at the time, I had to cut my axle slot up with a di-grinder, so the wires (10g teflon, and 28g teflon hall wires), would pass undamaged. I...
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    184v 45s lipo short circuit!!! POST YOUR KFF HERE!!!

    Hi its hydro here! longtime lurker. been though all the trials and tribulations of building a high powered ebike , including a couple bouts of kentuky fried finger. been a while though. but this evening i topped it all when i plugged a 100v full charged pack INTO another 84v lipo pack. the...
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    E-MOTO RM9 No Holds Build

    Hi Guys I need some help on a new build . this bike is for my brother who works for electric company. Pics to come !! Specs 2002 rocky mountain rm9 frame 9 inches travel (brand new, unused, with factory flame job) fox rc piggyback, new marzocchi super-t 7 inches fork 2007 dual crown...
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    Cymatics Video

    How might these patterns apply to electric motors? BTW this site (TED) has many many facinating videos. Great for these snowstorm days. http://www.ted.com/talks/lang/eng/evan_grant_cymatics.html Mike
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    Powering up your Ebike---FOR FREE!!!

    My bike is free to charge. Heres why: Once you ride an ebike , you start to realize your energy consumption. It becomes meaningful. The numbers start to make sense. You realize by switching off that lightbulb, I could travel x number of km on my bike!! You switch it off, instead of not...
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    E-LAWN CARE FRANCHISE----WHO WANTS IN

    Looking for a franchise. Total E-Lawncare. Deployable by truck or self powered trike/bike. Use 2x15 amp breakers for charging. Ultralightwieght, ride on trike mower with steerable , outrunner powered blades. Fiberglass or Al deck. Self mulching, no bagging. distributed waste over...
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    Foolproof and simple BMS

    Need a foolproof BMS . LIPO .eight turnigy packs 5s5ah for a total of 10ah 84v(max). Needs to be small. Dont need discharge protection (controller will) , just low voltage cell level alarm/pulldown. The Controller LVC will be set at 3.6v per cell (limits current). Im thinking---...
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    WHen Will Hobbycity have good Ebike batteries in Stock!!!

    I noticed there are only few 5s1p zippys left (only 15c) and they are going SLOW (probably pretty beat up).. Does anybody know when they will have more?? Does chinese new year play into this? they are out of EVERYTHING!!!!!! I need 4 more 5s 5000mah lipo packs (well 4.3ah like my other 2...
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    regenerative braking bolt on wheel for cars, trucks, BUS

    I thinking that a bolt on motor, wheel, battery, system for a bus --- wireless control, self contained, bolt on , replaces non-drive wheels. How it works is , bus accelerates, motor adds full power until battery reaches LVC, drives the bus (alongwith the ICE). as long as accelerator is pressed...
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    will this work ? battery virgin / wants lipo

    Hi you all! Im starting my first ebike and would like to have the very best battery technology.... for cheap..... I want to run my nine continents rear from ebikes.ca, with 6fet 20amp contoller, with a 15s lipo. hobby city order ::: 4x 5s5000mah 15c hobbycity packs so cheap!!?? (one extra!!)...
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    Killed on dirtbike RIP REID DAVID JAMES A

    Sorry to post this here but I know you guys like to rip it toooo.............,my cousin Reid he was riding his rm250 ICE dirt bike last night . My full bore cousin Reid, he liked his wheelies and his huge freestyle motocross (like some do here). He was addicted to the power of ICE (thats...
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