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| Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles |
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06-26-2008, 08:22 PM
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Motorized Bicycle Senior Member
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Join Date: Jun 2008
Location: Indianapolis, IN
Posts: 96
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Question about Chain Drive
My cousin comes back in town next week and he has lots of tools to help me with my Bike and I was wondering how good of an idea is it to have a chain drive that is a push start?
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06-26-2008, 08:29 PM
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minor bike philosopher
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Join Date: Jan 2008
Location: north carolina
Posts: 7,853
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Re: Question about Chain Drive
all the china bikes mostly are drag start if that is what you mean. They work just fine.
__________________
My posts have entertainment value only. A bike ain't yours till it has your blood on it. Then it owns you.
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06-26-2008, 08:31 PM
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Motorized Bicycle Senior Member
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Join Date: Jun 2008
Location: Indianapolis, IN
Posts: 96
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Re: Question about Chain Drive
Quote:
Originally Posted by deacon
all the china bikes mostly are drag start if that is what you mean. They work just fine.
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Yea, that is what I meant, My only question is what if there isn't a clutch?
What are good ways to make a clutch?
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06-26-2008, 08:39 PM
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Godfather of Motorized Bicycles
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 10,003
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Re: Question about Chain Drive
Make a clutch with a belt drive and spring loaded tensioner.
__________________
If it ain't broke, and you mess with it long enough, it will be.
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06-26-2008, 08:42 PM
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Motorized Bicycle Senior Member
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Join Date: Jun 2008
Location: Indianapolis, IN
Posts: 96
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Re: Question about Chain Drive
Ok, My first goal this week will be to get that busted bolt out of the motor
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06-26-2008, 08:49 PM
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minor bike philosopher
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Join Date: Jan 2008
Location: north carolina
Posts: 7,853
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Re: Question about Chain Drive
I have no experience with chain drive except the china girl kit which has a clutch.
__________________
My posts have entertainment value only. A bike ain't yours till it has your blood on it. Then it owns you.
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06-26-2008, 09:13 PM
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Motorized Bicycle Senior Member
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Join Date: Jun 2008
Location: Indianapolis, IN
Posts: 96
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Re: Question about Chain Drive
Quote:
Originally Posted by deacon
I have no experience with chain drive except the china girl kit which has a clutch.
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This is a 21cc motor I hope it has proper power.
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06-26-2008, 09:15 PM
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Godfather of Motorized Bicycles
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 10,003
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Re: Question about Chain Drive
You should get about 15-20 mph out of it.
__________________
If it ain't broke, and you mess with it long enough, it will be.
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06-26-2008, 09:18 PM
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Motorized Bicycle Senior Member
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Join Date: Jun 2008
Location: Indianapolis, IN
Posts: 96
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Re: Question about Chain Drive
What kind of gearing ratio I should go with?
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06-27-2008, 07:18 AM
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minor bike philosopher
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Join Date: Jan 2008
Location: north carolina
Posts: 7,853
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Re: Question about Chain Drive
I think you would be better off with friction drive with so small an engine. I have no particular reason for saying that just seems it would be easier all around.
__________________
My posts have entertainment value only. A bike ain't yours till it has your blood on it. Then it owns you.
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