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Source for 5/8 jackshaft sprockets needed
Discussion at Motorized Bicycle Engine Kit Forum in the DIY Home Built Motorized Bicycle (non kit) forum. My build is progressing along slowly, as time permits. I've just about rounded up all of the parts needed to ...  | | 
12-10-2008, 08:42 PM
| | Motorized Bicycle Newbie | | Join Date: Jul 2008
Posts: 19
| |  Source for 5/8 jackshaft sprockets needed
My build is progressing along slowly, as time permits. I've just about rounded up all of the parts needed to complete it. I'm using a 3hp 2-stroke Briggs, rack mounted, with a centrifugal clutch, running to a jackshaft via a #35 chain. From the jackshaft to the dual freewheel hub, 415 chain. I ordered 12guage spokes from Stanton today, and the 5/8 jackshaft kit. The kit comes with 13 & 18 tooth, 35 pitch sprockets. I'm thinking that I need more that an 18 on the jackshaft, coming from the 11 tooth clutch... Using the Ratio Calculator, with the 18, and a ten feeding the final 50 tooth sprocket, nets me 37.8 mph @ 4000 rpm. I'd rather use a larger #35 sprocket on the jackshaft, and a larger 415 drive sprocket, too. I also need a couple feet of #35 chain & a masterlink. Any thoughts on ratios? Who has sprockets available? I'm anticipation having to change up a few times, to dial it in, especially after I get it on the road & start to modify the engine. Thanks for the input. Nashville Geoff
Last edited by Nashville Geoff : 12-10-2008 at 08:49 PM.
Reason: I wasn't successful in adding photos
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12-10-2008, 08:57 PM
| | Motorized Bicycle Newbie | | Join Date: Jul 2008
Posts: 19
| | Re: Source for 5/8 jackshaft sprockets needed
I had tried to include some pics of my current build in the 1st post, but had no luck. Well, here's some now, and as an added bonus, a pic of a very high-powered "motorbike" that I'm building, too. ~Nashville Geoff |
12-10-2008, 09:27 PM
|  | Manufacturer/Dealer | | Join Date: Dec 2007 Location: Charlottesville, VA
Posts: 373
| | Re: Source for 5/8 jackshaft sprockets needed
HI,
I may be able to help with the sprockets...PM me when you get a chance.
Good luck on your build!
Andrew |
12-10-2008, 10:29 PM
| | Motorized Bicycle Elite Member | | Join Date: Sep 2008
Posts: 196
| | Re: Source for 5/8 jackshaft sprockets needed
sprockets, gears, sheaves, bushings, couplings, idlers, drag conveyors, screw conveyors, bucket elevators, industrial hand tools, forgings. Click on that.
That should do it. Barring that, just go to roller chain sprockets and then Martin like I did. Keith Williams
Last edited by trackfodder : 12-10-2008 at 10:36 PM.
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12-12-2008, 02:38 AM
| | Motorized Bicycle Member | | Join Date: Dec 2008 Location: Perth, WA, Australia
Posts: 22
| | Re: Source for 5/8 jackshaft sprockets needed
dayum man whats on that gold rimed bike? |
12-12-2008, 11:21 AM
| | Motorized Bicycle Newbie | | Join Date: Jul 2008
Posts: 19
| | Re: Source for 5/8 jackshaft sprockets needed
Just a lil' ole 1200 fuel injected Buell motor from the Buell racing team... Nashville Geoff |
12-15-2008, 09:29 PM
|  | Motorized Bicycle Elite Member | | Join Date: Nov 2008 Location: FLORIDA
Posts: 165
| | Re: Source for 5/8 jackshaft sprockets needed
Here you go. That's where I'll be getting my jackshaft sprockets for my new 80cc 4-stroke build. Steel Drive Sprockets
__________________
I'm crazy, and like it that way, I'm ZnsaneRyder
DIY BABY!!!
Bicycle Pusher Trailer completed! Pocket Bike wheel and #40 chain drivetrain! 
Fight for rights of FL Motor Bicycle Riders!
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12-15-2008, 11:02 PM
| | Motorized Bicycle Newbie | | Join Date: Jul 2008
Posts: 19
| | Re: Source for 5/8 jackshaft sprockets needed
Quote:
Originally Posted by ZnsaneRyder  Here you go. That's where I'll be getting my jackshaft sprockets for my new 80cc 4-stroke build. Steel Drive Sprockets | Now THAT'S just what I needed! I loaded up. Thanks a lot, Z.
~Nashville Geoff |
12-18-2008, 05:48 AM
| | Motorized Bicycle Elite Member | | Join Date: Nov 2008 Location: FLORIDA
Posts: 165
| | Re: Source for 5/8 jackshaft sprockets needed
Quote:
Originally Posted by Nashville Geoff Now THAT'S just what I needed! I loaded up. Thanks a lot, Z.
~Nashville Geoff | Your Welcome
I'm glad to help a fellow DIY motor bicyclist!
How's the build going?
__________________
I'm crazy, and like it that way, I'm ZnsaneRyder
DIY BABY!!!
Bicycle Pusher Trailer completed! Pocket Bike wheel and #40 chain drivetrain!
Fight for rights of FL Motor Bicycle Riders!
|
12-18-2008, 09:33 PM
| | Motorized Bicycle Newbie | | Join Date: Jul 2008
Posts: 19
| | Re: Source for 5/8 jackshaft sprockets needed
Quote:
Originally Posted by ZnsaneRyder Your Welcome
I'm glad to help a fellow DIY motor bicyclist!
How's the build going? | Z... The front suspension fork is on, the brakes converted to linear-pull type. I scrounged up some angle iron for the rear rack mount yesterday. I dropped off the Giant wheel, dual-freewheel hub, & 12 guage spokes to get laced today. The 3hp, 2-stroke Tecumseh motor showed up today, but it's going for another build- This one's going to have the Briggs 3hp 2-stroke. I hope to start builing the engine mount tonight, possibly. Cut, grind, weld, repeat... More to be revealed! Be safe, ~Nashville Geoff | | Thread Tools | | | | Display Modes |  Linear Mode | 
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