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  1. C

    Chimera”... Antique style E bike build, circa 1915...why and how

    Ever since I got interested in E-bikes, more than five years ago now, I've wanted one that captured the look and feel of a very early “motor-bicycle” from the period when motorcycles were still just bicycles with a motor grafted on...roughly 1900-1915. Those rigs had functional pedals, and...
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    Does this make sense? (no chain or belt, pedal operated generator and wires to the rear hub motor)

    Not a fly by night scheme, from what I can tell...https://electrek.co/2021/08/31/radical-new-electric-bike-drive-systems-requires-no-chains-or-belts-entirely-ride-by-wire/ The company is claiming only 5% less drive efficiency than a chain. I wonder if that's a brand new, clean and properly...
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    Why fat tires on a street ebike?

    From what I can find, areo drag of a typical 4" fatty is around 2-3 times that of even a 2" MTB tire (frontal area twice that of a comfort road wheel/tire combination ) With tire/wheel drag coming second only to the rider in contributing to overall drag, fatties have to use significantly more...
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    hacking speed limiter on August Tuesday e-bike?

    I recently picked up an August Tuesday cruiser e-bike (lightly used, at 1/4 retail ) Solid, simple, heavy, with a basic cadence PAS that cuts out the assistance at about 23mph. The bike has a Bafang 350 w rear hub motor, simple mini combination control pad and charge meter, no visible...
  5. C

    bottle batttery cradle/mount

    The three sources I know of (Dillinger, Luna,and BMS) have stopped carrying( or don't have in stock) the cradles/mounts for the cylindrical bottle batteries as a separate part. Can't find them on Ebay any more, either. Any ideas?
  6. C

    Sturmey archer flange sprockets

    I want to use a Sturmey Archer IGH as a combination jack shaft and 3spd transmission from a low power mid drive to the rear wheel (left side) SA makes a "trike" hub, for use in a similar way, with a "flange cog" bolted to the spoke flange. Problem is, I can't find them listed under spare parts...
  7. C

    Merida ebike..upgrade from SLA to lipo?

    I picked up an old Merida TEV ( 24v PAS mid drive with a 4 spd IGH ) in great shape. The SLA packs are HEAVY, and I'd intended to just drop in some SLA format LifePo, but the SLA's are an odd size (WP 9-12) and the available SLA format lipos wont fit. The space available in the current pack...
  8. C

    Electric skateboard motors as RC motor alternative?

    Several searches came up with little, I'm wondering if anyone has tried these new e-board motors for moderate power mid drive. Some have belt reduction drives available, prices are far lower than RC motors of similar rating.
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