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| | | | | Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles | Question about Chain Drive Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. My cousin comes back in town next week and he has lots of tools to help me with my Bike ...  | | 
06-26-2008, 08:22 PM
| | Senior Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Indianapolis, IN
Posts: 95
| | 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? | 
06-26-2008, 08:29 PM
|  | Master Motorized Bicycle Builder | | Join Date: Jan 2008 Location: north carolina
Posts: 3,747
| | Re: Question about Chain Drive all the china bikes mostly are drag start if that is what you mean. They work just fine. | 
06-26-2008, 08:31 PM
| | Senior Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Indianapolis, IN
Posts: 95
| | 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. | 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? | 
06-26-2008, 08:39 PM
|  | MODERATOR | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 4,065
| | 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. | 
06-26-2008, 08:42 PM
| | Senior Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Indianapolis, IN
Posts: 95
| | Re: Question about Chain Drive Ok, My first goal this week will be to get that busted bolt out of the motor | 
06-26-2008, 08:49 PM
|  | Master Motorized Bicycle Builder | | Join Date: Jan 2008 Location: north carolina
Posts: 3,747
| | Re: Question about Chain Drive I have no experience with chain drive except the china girl kit which has a clutch. | 
06-26-2008, 09:13 PM
| | Senior Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Indianapolis, IN
Posts: 95
| | 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. |
This is a 21cc motor I hope it has proper power. | 
06-26-2008, 09:15 PM
|  | MODERATOR | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 4,065
| | 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. | 
06-26-2008, 09:18 PM
| | Senior Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Indianapolis, IN
Posts: 95
| | Re: Question about Chain Drive What kind of gearing ratio I should go with? | 
06-27-2008, 07:18 AM
|  | Master Motorized Bicycle Builder | | Join Date: Jan 2008 Location: north carolina
Posts: 3,747
| | 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. | | Thread Tools | | | | Display Modes | Linear Mode |
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