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  1. G

    lipo and daily commuting

    Do you have a DMM (Digital Multi-Meter)? You can learn a lot about the condition of your batteries by monitoring voltage. After a full charge, each battery (measure each battery, not all three in series) should be around 13.7 V under no-load conditions. As soon as you put a load on the battery...
  2. G

    How about converting this bike?

    Let me guess -- you are going to ride on the beach! If so, I would worry about salt water in the electrical components. Just a thought, not trying to dissuade you. :wink:
  3. G

    Tig welding looks iffy, pictures incl.

    What material is the frame made of? Branded (Columbus, Reynolds, etc.) steel tubing? 4130 chrome-moly steel? 6061 Aluminum? 7075 Aluminum? Something else?
  4. G

    San Diego hill climb

    I haven't been to Black's Beach in a while. Maybe I'll go take a look at your road this weekend. I charge 12V batteries to 13.7 - 13.8V. I think your battery was less than fully charged when you started. I consider 11V to be 100% discharged. This hill is a serious strain on the batteries, speed...
  5. G

    Smallest, lightest hub motor?

    Let's hear a bit more about your battery. Is this a SLA (Sealed Lead-Acid) battery? If so, have you been keeping it charged? If not, better charge it. Also, if SLA, 10Lbs is too light weight for 36V, 15AH. It should be closer to 30Lbs.
  6. G

    Tres Terra Europa - Good buy???

    I'm sorry I wasn't clearer. What I meant was that with that many miles on it, the bike (electric or not) should be gone over very carefully before putting it into use yourself. I have owned many bikes over the years and feel it is a good idea to give them a thorough inspection/servicing every...
  7. G

    Tres Terra Europa - Good buy???

    Five-thousand-six-hundred miles? Wow. That sounds like about $100.00 worth of bike and $400.00 of your time and effort to totally disassemble the bike and rebuild it. Rims, tubes, spokes, headset, bottom bracket, brake pads, shifter cables, brake cables, deraillers, cluster, axle bearings...
  8. G

    Check out What's New From PhatCycles

    I'll take both! But forget the bikes! :P
  9. G

    Building a recumbent bike

    Papa, Very nice bikes! How about some higher-resolution closeups of joints/welds and such. I'm interested in your construction methods. Brazed or GTAW (TIG) welded? Welding/brazing equipment used, jigs and fixtures? Source of BB shell, tubes, forks, dropouts, etc?
  10. G

    New Dealers

    I'm not impressed, but I'm an engineer. :lol: There are no specifications to speak of for their kit.
  11. G

    Please recommend a bicycle to add a motor to...

    You do NOT want to use a DH bike for this project. 100mm of travel is more than enough for road and trail use. The big shocks on DH bikes are for big jumps and drops -- things you simply cannot do on an Ebike.
  12. G

    Need help with my throttle!?!?

    Your controller has three wires. I think they are: Red = 5V (approx) output to power hall sensor in throttle. Black = Ground (0V) reference. Blue = 0-5V input. 0V = motor off, 5V = full speed, intermediate voltages result in in-between speeds. Your throttle has four wires. I think...
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