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  1. sparky

    LYEN 6FET SENSORLESS CONTROLLER REVEIW

    Where do I find out more about what Lyen offers? Do they offer a 72V model? thanks!
  2. sparky

    Yuba Mundo - V2 - Redo, at bottom of page

    Yeah, it's not easy...I hope I remember how for my next upload.. :roll: Nice looking bike/rig... I was wondering what you did to upgrade the brakes? I have a similar situation w/my brakes. Also, it may be good that you don't have disc brakes, since your hub motor doesn't (I don't think...)...
  3. sparky

    Electric Unicycle and "Chariot" skates...

    The Chariot Skates look awesome. And electrification is definitely a possibility...they look like half-Segway/half-humans. Bravo! thanks for sharing :D
  4. sparky

    Time for a Motor upgrade- 5304-BMC- ???

    There should be no problem feeding a 408/4011 30 or 40amps :D Keep us posted!
  5. sparky

    Time for a Motor upgrade- 5304-BMC- ???

    I don't think this idea has been thrown out there, but how about a dual-speed hub like a Clyte 408/4011 or 4012 with the dual speed controller? Not sure about sources, but i think they are available... somewhere :? I believe you use the 408 for normal cruising and switch to the 4011 or 4012...
  6. sparky

    Wisconsin Laws

    I think it's a valid point. In MN there are 2 things on the books (as far as I can tell): motorized bicycles - which are basically watered down motorcycles- and electric-assist bicycles. Still trying to get to the bottom of the latter, whether it needs to be registered, some deal about brakes...
  7. sparky

    Ktronik's "The Blinder" LED Tail Light Project

    You're right, my bad. The description of the lights runs right into the dc-dc converter description, so I guess I thought (ADD? :? )a dc-dc was needed for Justin's design. They are not. One thing I've had diffictulty finding with any tail light is a way to mount it. Nearly all of them come...
  8. sparky

    Headway 48v 10ah - EVcomponents.com

    Excellent job, Y ! Your hard work has paid off, I think. At least it gives us amateurs some insight into tearing into an EV system and understanding the workings....Much thanks for your leadership! Overall, do you think it's better to just buy individual cells and add a different BMS? Or start...
  9. sparky

    Ktronik's "The Blinder" LED Tail Light Project

    I wholeheartedly agree. I think tail lights are the current weak-link in the ebike lighting chain and often feel like a moving target when I'm night riding... FWIW, here's another option for those not wanting to smt solder...Looks a lot like ebikes.ca's but includes the dc-dc converter. Stil a...
  10. sparky

    Headway 48v 10ah - EVcomponents.com

    Ypedal... another question on the video (not pack related...sorry): Your throttle appears to have some kind of external sleeve thing that you're using as a cruise control. What is it? My thumb gets tired on my throttle and I have been contemplating something like this... Please inform --unless...
  11. sparky

    Headway 48v 10ah - EVcomponents.com

    Nice work. Cool video. The only thing you need is a beautiful assistant :D Funny to see the cars just barely passing you. My guess is that you were going about 35-40mph...close? Keep info coming on these packs. Look like a great product at a resonable price. ... group order anyone?
  12. sparky

    Lithium Ion Develpment - 10x Capacity

    Thanks, I'll give it a try. Seems like batteries, more than anything else batteries are the weak link.... Then again, if we had super powerful motors (room temp superconducting...?) then our existing batteries may just be awesome :D
  13. sparky

    Lithium Ion Develpment - 10x Capacity

    Some interesting stuff. "10x storage capacity" Not sure if that means Ah, but it sounds promising...hopefully sooner than later... :? http://www.pddnet.com/news-news-storage-material-improves-energy-density-of-lithium_ion-battery-110209/
  14. sparky

    I crashed - The importance of pre-ride checks

    Yes, she is quite lovely... Sorry. Distracted. thanks for the info, and yeah Helmet Always. I oftendo a quick chk of the bike..but not always. Good info. thanks for sharing! :)
  15. sparky

    LiFePO's range in different temperatures

    I'm sure my range is impacted, but I haven't pushed it that close to the limit. Am still able to do my 14mile round-trip commute on my 48V 16Ah Ping V2 without issue, even tho it's about 30+degrees F cooler here in lovely Minnesota now than in the summer. Also, no perceived power/top speed...
  16. sparky

    How Fast is your ebike?

    About 23mph on the flats, no pedaling or strange atmospheric aberrations.... With light pedaling, about 25-26mph (I changed gearing on my front ring so that I could "contribute" with my Nexus-7 hub at those speeds). Running 48V 16Ah Ping V2, 72V analog 20A Clyte controller with the 30amp mod...
  17. sparky

    My Kona Smoke 29'er

    Thanks for the help on the booster! Let me know if you want to unload your 48V/10 to help you finance a 36V/15....would like to build a bike for my speed freak wife! :lol:
  18. sparky

    Lexus HB Concept 2WD pedal-assist, carbon-fiber racing bike

    My guess is for more accelleration/bettter hill climbing. A2B did that too, with a 20mph topspeed..it's the legal limit..er, right? :? Looks like they are using an aluminum front fork, or something pretty beefy up there. I'm a cycler as well as an ebiker, and carbon is the current ultimate...
  19. sparky

    Mini booster pack idea

    I like the switch idea and have been toying with the idea of a booster pack "turbo switch" too. It would be great for those long, smooth straights. Have had some feedback from Justing at ebikes.ca because I got my 72V pedal first controller there. He was concerned about the resistance of the...
  20. sparky

    Ezee electric problems

    You could see if the controller is getting power, see if the fuse to it is burned out. You've eliminated the battery, now move upstream to the next thing..If power is getting to the controller, suspect the throttle, any switches, wiring, or motor connections. Use a volt ohm meter (VOM) if you...
  21. sparky

    Cannondale Headshok: Good for FWD eBikes?

    Thanks Russell, some good info... My pedal-first controller and smallish WE motor may take a load of strain off those huge aluminum drops, along with torque arm (attached in back). Hey, what part of WI are you? I'm in the TC area...
  22. sparky

    Cannondale Headshok: Good for FWD eBikes?

    I don't have firsthand knowledge of either. I've *heard* about the AL snap phenomenon, but haven't seen it. Makes me think it's urban legend...hmmm. I've had a few aluminum mountain bikes and known a lot of people with AL mountain bikes that jump, rock hop, crash and generally abuse their...
  23. sparky

    Cannondale Headshok: Good for FWD eBikes?

    Thanks Drunkskunk. I see a pattern here... I know there's a movement to stay away from AL, but so far, so good on my monsterous Metro Torquer AL solid forks w/torque arm. I think people are mainly concerned about spinout..Is that correct? Anyway, so far, so good with mine... If these barely...
  24. sparky

    Cannondale Headshok: Good for FWD eBikes?

    Was thinking about my nextgen ebike. I currently run a Metro Torquer townie...it's all aluminum. Heavy aluminum. I'm running a WE front hub, Amped bikes torque arm and my beloved 48V 16ah Ping v2. All is well --- until I hit a pothole! Rear shock absorption is fine. Have a shock absorbing seat...
  25. sparky

    My Kona Smoke 29'er

    Hey Russell, Really interesting test. Thanks!... I, like you, crave the speed of 48V LiFe, so there's no going back. In fact, I'm thinking about adding a booster "turbo button" to mine for a boost for speed on long, flat sections...I'm running a 48V 16Ah Ping v2 and a 72v C'lyte controller...
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