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  1. E

    An excellent battery system primer

    https://www.youtube.com/watch?v=kafFlc7ZK_0
  2. E

    Recommendations for custom pack manufacturer?

    This is actually for a commercial product.
  3. E

    Recommendations for custom pack manufacturer?

    I'm looking for a QUALITY manufacturer of 18650 or 21700 packs. 72v (20s) 40 - 60Ah 200A continuous 300A 1 min peak BMS with serial/can I'm more interested in quality and reliability than price. Any suggestions welcome. Thanks!
  4. E

    Display for 72v BAC8000?

    Thanks for the feedback!
  5. E

    Display for 72v BAC8000?

    Hello All, I wouldn't be surprised if this is already answered on here somewhere, but I couldn't find it, so be easy on me :) I have a BAC8000 with eggrider V2. For the life of me I cannot seem the get any useful info out of the eggrider. The display shows voltage as 12.4 which is the supply...
  6. E

    Converting a MONI motor glider to electric

    I have a sweet electric package that would work perfect for you guys. https://www.youtube.com/watch?v=rxfMx5OX_yk
  7. E

    Farfles Electric Ultralight.

    Just for clarification... Jackson's plane had been converted back to a gas engine and had extensive repairs/modifications since it's previous flights. This had nothing to do with an electric drive system...
  8. E

    The E-Gull

    Latest flights from today, more vids on my youtube. up8pSdh2FNE
  9. E

    The E-Gull

    I've been wanting to share info about this project with the group, but I wanted it to fly first. This is my new plane the E-Gull! A conversion of the awesome ThunderGull combined with a Zero Motorcycles powerplant. It flies even better than I hoped! https://www.youtube.com/watch?v=6EfOvA4ROpU
  10. E

    Farfles Electric Ultralight.

    Dumped all the raw vids to a playlist on my youtube channel. You may have to poke around for the interesting bits! https://www.youtube.com/playlist?list=PLEcbIOS3I6WjhQjkLe853etu37-ovLt0o
  11. E

    insane/stupid/crazy power RC Quad X copter?

    LFP and I built a 4+kW dodecacopter a couple years ago. It was capable of lifting about 10kg. This was one of the precursors to my RotorBits product line. Yes you can build this exact same 'copter from RotorBits and HobbyKing parts. I'm pretty sure you could build a man-carrying 'copter from...
  12. E

    Deathbike on MTV's rediculousness !!!

    I haven't seen it, but some friends told me Lukes video made it onto Rob Drydeks show Rediculousness last night. http://www.youtube.com/watch?v=NCpzXIPXdAQ&feature=plcp Score one more for the electric revolution!
  13. E

    Evehicle-Full Faring Kit for Tadpole?

    I actually built two but cannot find the completed pics anywhere :( Here's what I got. The idea is it's SUPER GENERIC. You can run the roadster version with or without a lycra skirt. Or you could fab a coupe top for maximum aero and environmental protection. One of my customers used a blue sky...
  14. E

    Evehicle-Full Faring Kit for Tadpole?

    Or how 'bout over 55mph for an hour! We're talking ~300 watts to go 50+mph. dZUgmWylpfg This is Fast Freddy setting a new world record at 53miles in one hour. That's my bike and I'm holding the camera! Full disclosure, we "acquired" this bike, a Varna Diablo, from Georgio Georgiev the genius...
  15. E

    Evehicle-Full Faring Kit for Tadpole?

    If you're trying to do it on a budget, something like John Tetz zotefoam or a coroplast fairing are fairly cheap and easy to make. Plus it's easy to tweak and modify, and you won't be as sad if it gets scratched :) I actually designed/build a composite trike streamlined fairing called the "pod"...
  16. E

    Brammo Empulse

    Zing!
  17. E

    Bicycle, Scooter and Motorcycle Dynamics

    Or he could just put a stickier tire on...
  18. E

    Electric Race Kart

    After a dozen races, some with 5-6 karts running simultaneously, this is the only crappy footage I could find... I don't think they really convey the sense of speed and acceleration these karts posses. 10-15 minutes of hard racing leaves you sore and sweaty :) Maybe we'll stage a race with a...
  19. E

    Electric Race Kart

    Old Zero X/MX drivetrains are awesome. The zero guys have built a lot of em and they're a riot for stealthy parking lot races. Perm or agni motor, with an alltrax AXE at 400amps and a zero battery = fun. Giant smoky burnouts, doughnuts and figure 8's are the norm. I'll dig up some pics and vids.
  20. E

    Bizarre Motor Paced Velodrome Racing

    Finally, a cycling sport where my aerobelly is an advantage!
  21. E

    Range, Miles/AH or WH/Mile

    I like Miles per kWh (M/kWh) as it is roughly synonymous with MPG. People will intuitively understand this. The xprize guys are pushing the MPGe standard.
  22. E

    MiniMoto SX Electric domination

    Main (from the stands) http://www.youtube.com/watch?v=yx_ai5Y-bSI Main (from Trevors GoPro) http://www.youtube.com/watch?v=0-K4aootsJA 1st Practice http://www.youtube.com/watch?v=cUtkiO_ke-I 2nd Practice http://www.youtube.com/watch?v=AYsr7VISDts More Practice...
  23. E

    Effects of C rate on Cycle Life for LiPo?

    Just curious if anyone has any good data on how running LiPo's at less than their rated C, and possibly capping the charge and discharge voltage limits somewhat, can effect their cycle life? A LiPo vendor has quoted me approx 300 cycles to 80% capacity at a 100% 30c discharge. I am only going...
  24. E

    X Prize Winners

    You know, it really is about the people. I worked with Nissan for a bit as a design consultant, over beers one evening we discussed Nissans (at the time) lack of EV or Hybrid projects. The design lead told me "we'd sell cars that ran on sh*t if people would buy them". Though I do think the...
  25. E

    Mars ME1003?

    Anyone have any experience with this motor? Looks pretty sweet. http://www.marselectricllc.com/me1003.html
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