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  1. Z

    Mechanics in Seattle/Dropout Filing

    Just finished my first worry-free ride, seems like everything is tight and secure. I gotta do some work on the brakes and rear derailleur but I think the hardest task is finished! Time to start on the 12v systems and the homemade servo shifter.
  2. Z

    Mechanics in Seattle/Dropout Filing

    Do it! Turns out I only needed 1 turn to each to get it over that much. I'm going to take it in for a re tensioning after about 50 miles or so, so I was comfortable trying it myself. Sound advice, I'm a little scared to mess around too much with trueing, but I'm sure I'll dive in at some...
  3. Z

    Mechanics in Seattle/Dropout Filing

    Thanks for the advice, it's perfect now Mine was tracking fine, but was making a zip zip zip sound where the rubber was barely hitting the frame. Cards in the spokes sounds much better though.
  4. Z

    Mechanics in Seattle/Dropout Filing

    Thanks a bunch, I'll do that. One full turn good to start with?
  5. Z

    Mechanics in Seattle/Dropout Filing

    Got them finished and tightened up, I think it's good to go. I know I'm not the best welder, but I think it's solid. Only problem is that my wheel is biased to one side (always has been). Is this something that can be fixed with spoke tension?
  6. Z

    Mechanics in Seattle/Dropout Filing

    Thanks for the tip, just went and got the proper gear. First hole ever tapped! Now on to the other plate. I appreciate everyone's help!
  7. Z

    Mechanics in Seattle/Dropout Filing

    That's the plan, the hard part is the geometry is asymmetrical. I plan on leaving both sides a little narrow, so I can bolt them in location without the axle and use a long straight file to grind to final width. Clamping type also gives me a little wiggle room. Hopefully someday we get better...
  8. Z

    Mechanics in Seattle/Dropout Filing

    Sorry for the delays, wanted to have something to show before responding. Decided to do a few shop upgrades, been wanting some metalworking tools for ages. Used drill press, but recently refurbished with a variable frequency drive. Super slow is nice. Good ol' HF bandsaw, surprisingly accurate...
  9. Z

    Mechanics in Seattle/Dropout Filing

    Epic info, thanks for all the tips. The only reason I was going to keep one side open is to avoid snipping off the end of the motor harness, but if it makes it safer I will consider it. Any advantage in using an axle-shaped hole vs a rectangular one?
  10. Z

    Mechanics in Seattle/Dropout Filing

    So I've decided to just go with a solid torque plate. It will take a lot of filing to get it to fit the complicated curves, but seems like the most secure option as amberwolf was saying. I'd have one open side and one closed side, here's an example of the open side: Any thoughts on where to...
  11. Z

    Mechanics in Seattle/Dropout Filing

    My thoughts exactly :p I was worried during my first ride, I'd like to have more to grab on to myself. One of the dropouts is 2 pieces of metal bolted together, advisable to file? Looks like it might be getting close to that hole. Here are pictures of both dropouts without the axle: I...
  12. Z

    Mechanics in Seattle/Dropout Filing

    It's nice to know I can make something with just an angle grinder, I'm really short on tools. It's also nice to know workarounds are possible if I do have a spinout :p Will do as soon as I design one/buy one that could work. Any thoughts on a spacer of this design? I know it wouldn't be a...
  13. Z

    Mechanics in Seattle/Dropout Filing

    I agree, I'd love to have some beefy brackets to be safe and worry free. I'm concerned about the geometry of my dropouts and unsure how to make something that fits and bolts. Here are my dropouts: I see some holes to potentially screw in to, but I'm not sure how to handle the machining (besides...
  14. Z

    Mechanics in Seattle/Dropout Filing

    I don't think I fully understood what you were saying earlier, I can see the advantage of a solid plate. It would potentially keep the hard angles of the axle from jamming in the round dropout. My dropouts have a complicated geometry but I'll look in to it! Awesome, thanks for the analysis...
  15. Z

    Mechanics in Seattle/Dropout Filing

    Thank you for the response and advice. I have this torque arm installed, is it insufficient? The precision required to file the dropouts perfectly is precisely what is making me nervous :p Anyone had aluminum dropouts crack from this improper-seating issue?
  16. Z

    Mechanics in Seattle/Dropout Filing

    Hello everyone, I've been lurking for quite a while and have a few questions regarding my first e-bike build I recently threw together. It's a 2012 or so Scott Scale 970 with a 1000w geared hub motor, CA v.2, Grin Torque arm V4. All electric parts were scavenged from my brothers e-bike when he...
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