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  1. H

    Adding non-Newtonian fluid to bearings

    My bike uses just a throttle and won’t allow pedal assist and the cranks have no resistance and will just free spin. I’m getting cold and stiff riding without exercise. Non-Newtonian fluid I think would just squirt out the side of the bearing but what other way would work giving this even...
  2. H

    Portable charger for travel, library, coffee shop, etc.

    https://m.alibaba.com/x/xOXnq0v?ck=pdp 84v 1amp.
  3. H

    Portable charger for travel, library, coffee shop, etc.

    Yea I’m looking for something 60-90 watts that is small and no fan. would these work? https://led.meanwell.com/webapp/product/search.aspx?prod=ELG-100-C Ill use a bms but still rather not have such extreme voltage adjustment possible from a tiny screw In the past I had a couple custom made...
  4. H

    Portable charger for travel, library, coffee shop, etc.

    Good to know but I’d like a simple singular thing if possible and less complicated. Ideal would be a wallwart sized thing. Why none? I’m tempted to learn and make one.
  5. H

    Portable charger for travel, library, coffee shop, etc.

    I think all the Samsung cell data sheets state can revive from 1v. https://www.dnkpower.com/wp-content/uploads/2019/02/SAMSUNG-INR21700-40T-Datasheet.pdf I spent eons looking on meanwell’s site trying to find the smallest thing that puts out 84-87v an and got nowhere. The voltage ranges have...
  6. H

    Portable charger for travel, library, coffee shop, etc.

    Depending on the brand sometimes the data sheet states you can revive from as low as 1v with a trickle charge.
  7. H

    Portable charger for travel, library, coffee shop, etc.

    What abnormality would stop it? I can imagine if it’s got all the balance wires connected and monitoring cell voltages, but I haven’t been able to find that for anything higher voltage.
  8. H

    Portable charger for travel, library, coffee shop, etc.

    How would it be damaging having a cell sit on the power supply with a tiny trickle and not shutting off?
  9. H

    Grin’s perspective of Ebike fires

    Seems a good resource for recycling batteries: https://search.earth911.com/?what=Lithium-ion+Batteries
  10. H

    Grin’s perspective of Ebike fires

    Do u mean taking cells apart for their ingredients? I was imagining cutting them up for steel and lithium or something.
  11. H

    Grin’s perspective of Ebike fires

    Isn’t there value in used ion cells?
  12. H

    Grin’s perspective of Ebike fires

    Hopefully they can be broken down.
  13. H

    Grin’s perspective of Ebike fires

    https://corporate.homedepot.com/news/sustainability/celebrating-20-years-call2recycle-more-12-million-pounds-batteries-recycled#:~:text=*Editor's%20Note:%20The%20batteries%20inside,delivered%20straight%20to%20your%20inbox.
  14. H

    Grin’s perspective of Ebike fires

    Why not recycle?
  15. H

    Belt and chain custom frame build thread

    I want to get this frame made but wondering if the squat will be horrendous. What you think/know? It will use 70 and 22 tooth chainrings with a rear suspension pivot point concentric with the bb and driving sprocket, and use a typical bicycle swingarm length. I can’t find the source here on...
  16. H

    Belt and chain custom frame build thread

    A swing arm concentric with the bb isn’t ideal for a pedal bike and causes bobbing when u pedal but for simplifying a rear suspension on this bike it’s ideal There are only two places making concentric pivot bikes for a single speed The first I still don’t understand exactly what or why they...
  17. H

    Belt and chain custom frame build thread

    700$ for the hardtail above. It needs bearings replaced in the motor and jackshaft as it’s getting noisy but otherwise runs great and my daily commuter. I had more frames made. A bit longer and stiffer around the bb and conical headtube n nice steel fork. If u want one i have an extra...
  18. H

    My econo-e-bike

    . How are the broken parts sitting in relation to each other? In my case they should’ve rebroken it and it took years to fully heal. A surprise
  19. H

    Current Carrying Capability of Nickel Strips - Help Understanding

    It’s easy to just lay another stack of nickel on top and better to not try to do the minimum. I’d get some WIDE strips like the eskate people use and then you won’t have to stack
  20. H

    Custom motorcycle in California Bay Area

    I sold that one and also selling the one I was going to keep: https://www.facebook.com/marketplace/item/1079466040228246/
  21. H

    Belt and chain custom frame build thread

    I don’t know what u mean by HAZ coloring but it’s a clear coat on steel and he did some nice looking “burns” on some spots. I didn’t weld it and found a place in china that would do it and cheaply. I think it was 430$ for the frame including shipping and he’s throwing in a fork for the two...
  22. H

    Belt and chain custom frame build thread

    At full speed (10:1 gearing, 87v 34mph) this motor is only doing 4000rpm while it’s rated to 12,000rpm. I’m feeling like a mid-drive enables much more power from a motor.
  23. H

    Belt and chain custom frame build thread

    I’ve got a new retaining fluid: black. Supposedly more permanent I’m going to add rear suspension to this frame design and hoping for some advice. I’ve never had a bike with rear suspension and know little about them but I think this design is pretty straightforward I want to use the type...
  24. H

    LIGHTNING RODS BIG BLOCK TWO STAGE NEW OPEN BOX 500$

    But where’s a motoped? I’d be interested
  25. H

    LR Big Block Motoped

    Still selling these? I think I found a bike or maybe the frame. Is this frame smaller? I think this frame style is made in both a “pit bike” size as well as a larger for the motoped I’m bummed the jackshaft doesn’t allow room for a bigger sprocket.
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