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  1. V

    Bicycle Based Lightweight Motorcycle

    So late in 2015 I wrapped up version 1.0 of my 2wd electric bicycle. This year I have decided to revamp that bike to make it a little more tidy. I have about wrapped up that build. Anyway I will be riding that bike around for a bit but I have decided that I want to build a new bike. This...
  2. V

    Speedo freakout while pedaling with PAS

    I have a S12S controller with the LCD 3 display and PAS only While pedaling the speedometer goes crazy. It jumps all over and goes as high as 50 mph. As soon as I stop pedaling and coast the jumping stops and it reads the speed as it should. Anyone have any ideas what might be causing this?
  3. V

    Details On The Q128H for P1 Settings (S-LCD3 Display)

    Ok I have my wiring sorted and am entering in the info on the S-LCD3 Display. I am to the point where I need to do the math to enter the info in P1 (Motor Characteristic Setting Mode). As some of you know the formula to give you the number for this entry is as follows: P1 = motor gear...
  4. V

    Couple Quick PAS Mounting Questions

    Getting ready to mount my PAS on my bike but I have a couple questions This is the PAS I bought https://bmsbattery.com/ebike-parts/504-pas-pulse-padel-assistant-sensor-with-12-pcs-magnets-parts.html Obviously the pic does not show the 12 pole magnet wheel. Here are pics of the one I have in...
  5. V

    Current over the smaller controller wires

    Is it safe to assume, based on the size of any wires that are not phase or power wires, that there is not much current passing through any of the smaller wires on the controller? I am looking into some multi-pin connectors to simplify my controller wiring and I want to make sure that the...
  6. V

    Q100H And Q128H Upgrades For Durability

    Here are a few specs on the parts I will be running on my 2WD set up. Rear: Q128H hub motor (800w) 36v 201rpm wind S12S 500w controller (website rates it at 25amp max but the sticker on the controller says 30a +-1 S-LCD3 Display Front: Q100H hub motor (350w) 36v 201rpm wind Elifebike...
  7. V

    Adding A Temp Sensor

    I have a Q128H and an S12S that I will be operating with a S-LCD3 Display. It is my understanding that this display can show motor temperature but as some of you may know the Q128H does not have a temp sensor. I would like to add one. What type of sensor will work with this set up and how...
  8. V

    Spoke Gauge - Motor And Wheel Compatibility

    I took my rims and hubs to the bike shop to have them laced up and got a call a little later from the shop expressing concern for the spoke hole diameter in the hubs vs the spoke gauge/diameter. I have a Q128H and a Q100H and the spoke holes measure about 3.3mm and 3.5mm respectively. This is...
  9. V

    Proper Kill Switch

    Getting down to the nitty gritty bits of my E bike build and am having trouble sorting out a good way to connect/disconnect and/or shut down my bike without big electrical arcs and cooking switches. I have been searching and reading for about a week now and every time I find what I think is a...
  10. V

    Spec'ing Out My Utility/Commuter Bike

    I am just getting into the details of my 2WD "utility" bike and would like to clear up a few details before I order the rest of the parts. First let me start with the bike I am starting with. Here it is loaded for a longer trip. It is a 2010 Hary Mary XC 29er Is all steel and obviously...
  11. V

    Q128 Front With Disk Brakes...Does It Exist?

    I would like to run a pair of the 500W Q128 hub motors on my mountain bike-turn-commuter bike. I already have a nice set of disk brakes and would like to keep them. I also want the Q128 because of their small diameter for stealth reasons. The only issue is that I am unable to find a Q128...
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