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    500w DD ebay motor with bamboo pegs, what glue?

    Early summer last year, I hurt the outside of my wrist, putting weight on it brings the pain back. I wanted to build a simple, light, inexpensive rear DD motor full suspension bike using a free frame I was given by a guy on FB. I found a 500w DD motor on ebay for $103 and it looked good on...
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    Ebikes for groceries' - Amish

    I frequent the Amish county north of me to get meat from a farm, never saw anyone riding an Ebike there. I was watching this on YT and saw an ebike and wanted to share it here. at 37 min mark, She makes along trek to get her groceries' on an Ebike with a trailer.
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    Olympic Biker Killed

    Tragic https://sfstandard.com/sports/ethan-boyes-bicyclist-hit-by-car-death-san-francisco/ Reminds of the incident many years back about the cyclist(s) who where hit while training in SoCal around Loma Linda, I think they were in the US Olympic team too
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    A Fat bike with a trailer does the lawn mowing gig

    I was at Wendy's in Grand Haven, MI grabbing some fries and coke zero, Gentleman rode in this, this is his bread and butter. I asked him about the trailer, he said he cut the top off some kid carrying bike trailer. Impressed with his ability to get all he needs to do his lawn mowing job.
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    Trike with QS Motor?

    Couple of weeks back, I went to the local fishing/outdoor expo. Saw this there, looks like a QS motor, priced around $7000. Not street legal but a man can dream ...
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    Regional Meets

    I am in West Michigan, 2 hours from Chigacoland/Detroit. Maybe we can organize Spring/Summer regional meets. There are a bunch of Casinos which has camp spots or lodging that is reasonably priced and great food selection. Also, bunch of state park camp grounds with Lake Michigan views which...
    • gobi
    • Thread
    • Replies: 0
    • Forum: EVents
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    Ebay 84v Controller - help identify pls

    I bought this 84v square wave controller for around $40 off ebay. Pics of the inside below. What type of controller is this?
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    Low ESR Capacitor and Ripple Current Rating

    I am voltage spike filter for VESC controller like my Flipsky 75100. http://www.mateksys.com/?portfolio=xt60-tvs I bought the above for the PCB, I took off the TVS diodes and I need high voltage capacitors. I found Nichicon PW series and HW series on mouser Ripple Current 1520 mA (PW) 3.86 A...
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    LG Pouch Cell - 6s build

    I bought some of LG pouch cells to build a 6s, low amp battery. Pros: Small, light for amount of energy each cell has. Cons: For now, only con I see is that the positive bus bar/ends are shorter and totally shite. Step1: I rolled the dents and bends with the butt of a screw driver to...
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    Variable Voltage/Amp Battery Charger with WIFI access

    A very short Gobi review. What: Riden RD6018 or any Riden RD heads. PS = Mean well HRP-500-48 Cost: This was the reason I opt'd this solution. Riden RD 6018 was around $80 and Meanwell PS $40 Why: I wanted something I could set the charge voltage/current and forget about it. Having ability to...
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    E300 5 pin throttle to 4 pin - Looks good?

    I have a old 5 pin throttle E300 this has the follow 5 wires. The unit was missing the controller and I bought one off ebay, the ebay controller has 4 wires only. I found a wire conversion adapter diagram online but I follow the diag but the connector does it look correct[see pic below] Q1...
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    uber lime

    I was out at the river yesterday, not sure why but saw 2 lime bikes sitting there next to the boat launch. Nice design huh? Look at the custom fork with the notch for the torque armish thing (what is that called?)
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    I want to w-RAP my triangle - HDPE?

    I read Kingfish's thread on his 2wd build and he used HDPE to wrap his bike. I have no experience in working with HDPE, What thickness should I go for? here is my downtube triangle Bike is nearly done, wrap for triangle and rear light.
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    My first wheel lace job

    I picked up a couple of QS 212s, bare hubs. Inspired by Eastwood's builds, I wanted to try my hand at lacing a wheel for my next builds. Wheels - Chrome 19 inch moped rim Spokes - 11 g aliexpress (not sure of awg, bought these way late at night and have no recollection as to what I ordered)...
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    Statorade Flush?

    The label says 1 year life for Statorade, So what happens at the end of the year? it gets dry and shrinks and it not able to conduct heat? What should be done at the end of the year? wipe the insides of the hub motor and re-apply more statorade?
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    far driver nd72800 vs nd72850

    I see the 72800 listed on QS website but not on Fardriver website. Far driver lists a 72850 unit. Other than the Phase Amps/Batt Amps, are there any differences between the 2? New rev vs old rev?
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    Chain Twist - 4x

    I had 2x chain twist, watched some youtube videos on how to undo it and put the chain back on correctly. Armed with my new knowledge I set out to fix the problem but only to make it WORSE, now I have 4x twist in the chain, what the chain. How did I do this and how do I correct it?
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    Flipsky 75100 - How to use with ebike BLDC

    https://flipsky.net/collections/electronic-products/products/flipsky-75100-foc-75v-100a-single-esc-base-on-vesc-for-electric-skateboard-scooter-ebike-speed-controller What are the best practices to prevent this controller from burning up when used with an ebike bldc motor? 1. Spinningmagnets...
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    Torque/Efficiency comparision 19 inch vs 17 inch moped wheel/tire

    Leaf bike 6t 1500w motor pick any battery, 48v 72v, 40 amp sustained output capable. Comparing a 17 inch moped wheel/tire vs 19inch moped wheel/tire Will the torque difference off the line be proportional to their circumference? Is it worth going down to 17 inch, mostly low speed stop and go.
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    Sales tax charged by Aliexpress??

    Why is a Chinese org charging sales tax on US sales? Are they scamming us and bagging the sales taxes?
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    8.75kV = what T count? QS Motor

    ·Rated Power: 1200W (2400kW peak in few seconds) ·Rated Voltage: 48V ·Speed: 500RPM no load (450RPM with sine wave controller), approx 45km/h ·KV: 8.75kV ·Max Torque: approx 109.2N.m...
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    Off the line torque - DD motors

    Electric motors are supposed to produce max torque as soon as they start spinning? Is that also true for DD motors? I ask as I have been some DD motor videos where the bike kicks dirt and takes off and some buzz and shake like a engraving machine for the first few yards. Yet, there is a video...
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    SIAYQ72120 Far Driver vs SIAYQ7290

    Good Morning from west michigan, it is a balmy 17F this morning, perfect biking weather eh? I bought QS 212 off amazon last month, I need a controller for this motor, Will this work? SIAYQ72120 https://www.aliexpress.com/item/1005003659336237.html it says it has self learn function, don't...
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    QS Motor hall connector - what is it?

    Any idea what type of plug is used on a QS Motor 212 hall cable connector? I looked on amazon and could not find any.
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    Tell us about your first ebike Ride - [Humor]

    It was a warm day late summer last year, I took out the schwinn with a bafang hub with a crummy hoverboard battery. After half a block I was going down a 2 block 4 % grade. The battery voltage began to rise after it had sagged. My newbie reaction was "Dang, I have regen!" :P
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