Electric Bicycle
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Thread: Electric Bicycle

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  1. #1
    Charter Member
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    Gare or Gary

    Dec 2012
    Canton Ohio Area
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    Electric Bicycle

    I am building a Electric Bicycle. I plan on riding it to a lot of places that are a long walk to get to.In 2007 I was in a bad horse accident and fractured my pelvic. It is hard for me t0 walk a long distance.This bicycle will have knobby tires and will be a front wheel drive bicycle.It is supposed to have a 30 mile range on a full charge. I am building this bicycle for less then $500. Do any of you have one and if so how does it work out on the off road trails ? What are your thoughts ?
    tamrock and Trezurehunter like this.
    Only TWO things in the world that spook my horses THINGS THAT MOVE and THINGS THAT DON'T MOVE !!!

  2. #2
    us
    Relic Recoverist

    Jun 2015
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    Its a very good idea, with the proper set up. I am also fixing to dive in to this. I have been looking for a couple of 3 wheelers to modify into 1 fat tires off road electric bike. I have a 48v ebike motor and the works. Its just the proper body style im looking for for the added weight. I will be running 4 12 v VRLA batteries for the source. Figuring how to configure the battery alignment for a good balance is important on any 2 wheeled vehicle. I did manage to get my hands on a yamaha big wheel 200, but as hard as those are to find, I really can't bring myself to cut it up and modify it. Thus I'm still hung up. I have been kicking the idea around of add ing a 10 speed bike gearing from the jackshft to the rear wheel. It would vary the tourque for better climbing ability. Ibe also been looking into a 2 speed setup with separate clutches on the jackshaft as well. Alot like some of the rarer classic mini bikes of the 60s.

  3. #3
    Charter Member
    us
    Feb 2008
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    There are YT vids of a Dutch kid that powers his bike at the pedal point using a powerful cordless drill, the bike really moves out.

  4. #4
    us
    Nov 2011
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    Hub motors work great on flat, smooth ground. If you want off-road best to go with a mid-drive motor so you can gear it down with your chain /sprockets derailleur. The hub motors get warm when worked too hard and this will degrade their power, actually do damage if they get tooo hot. Add those fat tires and you get even more rolling resistance. Yes, you can drive them up hills and off-road but don't push the throttle too much and do a lot of peddling. If you can feel the throttle response you are okay, but it's easy to open it up and bog it down. I'm talking about 1000 watts and a 48/52v 20AHr battery. Now there are some geared hub motors that would help but still not as good as the mid-drive. Mid-drive is noisier and wears out the chain. The hub motor I have is called Voilamart. Think I paid $550 for everything. I got a Lithium Phosphate LiFePo4 which has many more charge cycles and is less fire hazard. But it weighs quite a bit more. Also check your state laws. Many only allow 20mph and 750 watts.
    Last edited by signal_line; Sep 12, 2020 at 08:00 AM.
    tamrock likes this.
    Love transcends this world we live in to Heaven.
    I'll leave it to you to figure out where the opposite goes.

    If your heart is in it you will find a thousand ways to achieve your goal.
    If your heart is not in it you will find a thousand excuses.

    Ouija Board and map dowsing , one and the same. Just tape a map onto the Ouija Board and you have map dowsing.
    Works great if you like wild goose chases and snipe hunts!

    L-rods are obsolete.

    May you never take one single breath for granted.

  5. #5
    us
    Nov 2011
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    As for the battery, do not run it down when new. You need several charge cycles to be sure all the cells are awake and accepting a charge. Best not to make a habit of running it complete discharge. When it's cold out be even more careful. But I use mine down to near freezing and there is a noticeable drop in power but it still works pretty good.
    Love transcends this world we live in to Heaven.
    I'll leave it to you to figure out where the opposite goes.

    If your heart is in it you will find a thousand ways to achieve your goal.
    If your heart is not in it you will find a thousand excuses.

    Ouija Board and map dowsing , one and the same. Just tape a map onto the Ouija Board and you have map dowsing.
    Works great if you like wild goose chases and snipe hunts!

    L-rods are obsolete.

    May you never take one single breath for granted.

  6. #6
    Charter Member
    us
    Gare or Gary

    Dec 2012
    Canton Ohio Area
    1,022
    1796 times
    All Types Of Treasure Hunting
    Honorable Mentions (2)
    The conversion kit i bought was $261 for the kit $167 for the battery .i guess some kits come with a battery. I paid $50 for the bike. When i get it done i will post pictures and maybe a video. Still waiting on the battery
    Only TWO things in the world that spook my horses THINGS THAT MOVE and THINGS THAT DON'T MOVE !!!

  7. #7
    us
    Nov 2011
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    I forgot to mention, don't believe those mileage claims. 52v 20AHr battery I can get about 25 miles driving fast and peddling away from the stops. (I don't peddle much otherwise.) That's with some hills but mostly flat. Of course stop and go will drain the battery more than steady driving.
    Gare likes this.
    Love transcends this world we live in to Heaven.
    I'll leave it to you to figure out where the opposite goes.

    If your heart is in it you will find a thousand ways to achieve your goal.
    If your heart is not in it you will find a thousand excuses.

    Ouija Board and map dowsing , one and the same. Just tape a map onto the Ouija Board and you have map dowsing.
    Works great if you like wild goose chases and snipe hunts!

    L-rods are obsolete.

    May you never take one single breath for granted.

 

 

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