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  1. dougnutz

    RIP trek fuel

    Apparently a Trek fuel is good for 7300 miles of e-biking. At lease mine was. Last week I started hearing a strange creaking sound. It got rapidly worse until something was very obviously wrong. It was really hard to see on a visual inspection but with someone sitting on the bike I found a break...
  2. dougnutz

    9C @ 2500+ watts

    I am curious how many people out there are running a 9C at or above 2500 watts. Also what sort of precautions have you taken, such as temp sensors, and what sort of problems have you faced?
  3. dougnutz

    Spreading the disease

    A friend of mine is considering building an ebike to commute on. His main concern is a 12-13% grade that he will have to climb. It’s about .4 miles long then it flattens considerably. Personally it seems like a 9c 2808 or similar motor from ebikes would do the trick. I think he wants the bike to...
  4. dougnutz

    Trek Fuel (RE)build thread

    OK,Maybe rebuild would more appropriate. This is my commuter: 2004 is Trek Fuel , it handles very well at 37mph (down hills).It has a 9c 2806 20amp kit from Ebike.ca. The battery is a little small but it has served well for the first year. There is a longer story there but after 3000 miles it’s...
  5. dougnutz

    close one with a happy ending

    I was nearly creamed this morning by someone left crossing at a light. I was goinging straight and the driver either didn't see me, thought I was slow because I was on a bike, or just didn't care. Anyway this is a particularly bad intersection and I am always ready for idiots like this so it...
  6. dougnutz

    Large EV battery pack.

    I just purchased a 99 Ford ranger which has been converted to electric. It’s a nice conversion but the previous owner used flooded lead acid batteries. I think it was a simple matter of batteries were one of the last things he bought and after spending nearly 10k on the conversion he took the...
  7. dougnutz

    Towing lycra

    Yesterday I was on my way home heading down a hill and noticed a lycra gaining on me. As per my usual reaction I cranked it up to see what he could do. To my surprise he caught up to me at 36mph (again down hill, but still…) When we reached the bottom of the hill there is a light so he struck...
  8. dougnutz

    noobish question about hobby king Lifepo4

    I've seen a lot of posts about Lipo from Hobyking but I also noticed they carry LifePo4 "flat packs". It looks like these have pretty good C ratings, often 20-30c and come in a variety of pack sizes like Lipo packs do. I sort of like the idea of being able to reconfigure the pack as I want or...
  9. dougnutz

    next commuter build, vrx 300

    After 1000 mile on my first kit I am thinking about spare parts (and bikes). I'm starting to collect... well everything, for my next build Anyway I wanted to tap the knowlege of some of the guru's on this forum for opinions. What do you guys think of this bike as a starting point for a low...
  10. dougnutz

    Please check my math

    So according to my CA I have used 355AH in about 900 miles. This got me thinking, how much does that cost. I know it's cheap, but I am curious... If 355 ah used at about 48V = 17040 Watt hours and 1kwh on my electic bill is $.10 then 17kwh= $1.70 ?? is that right? it seems too low :) I know...
  11. dougnutz

    What spares do you keep around

    I commute daily and I'm now pretty much dependant on my Ebike. I am about to hit 1000 miles. I have been thinking alot lately about what sort of spares I should keep on hand and what I may want to carry with me. To me the weakest link seems to be the controller ot the battery bms. I'd love to...
  12. dougnutz

    Power tap for lights?

    Does anyone know of a good place to tap for power on an ebike besides the battery? I’m trying to wire up a DC/DC converter to power some new lights on my bike and I’m trying to find a good place to tap for power. The obvious place it right at the anderson connectors for the...
  13. dougnutz

    checking 9c for crash damage

    Hi all, if you ride long enough this is bound to happen and for me it did monday night. I got left crossed by a someone pulling out into the road from my right. My bike hit their front bumper at about a 45 degree angle. I went over the hood and landed in the street. My bike went across traffic...
  14. dougnutz

    How long do Anderson connectors last

    I picked up a kit from Ebikes.ca and it’s been great btw. Anyway, It came with Anderson connectors for the Battery and motor. While I never disconnect the motor I do take the battery off twice a day 5 days a week. Initially I noticed a very bright spark when hooking up the battery, now...
  15. dougnutz

    Lipo vs LiFePO4

    I am still new to the entire battery tech (read n00b) so I’m looking for a little guidance on a battery pack. My main question is why are Lipos so popular? Is it just peak output? Here is what I am considering. 4 6s20c Lipo packs from HK for a pack producing about 44v and 10 ah, or a...
  16. dougnutz

    How many people run torque arms on the rear

    This question is probably a little n00b ish but I was curious how many people run torque arms on the rear? I did a little bit of searching already and it seems that 99% of the discussions around TA's are talking about the front. In the few cases where people talk about the rear they are usually...
  17. dougnutz

    I hate e-bikes

    I have been lurking it the forums for weeks now and finally posting today. I hate e-bikes… with a footnote. I have commuted for the last few years by regular pedal power. I don’t bike to work every day but average about 3.5 days a week. In Seattle it rains from early fall to mid...
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