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Eliminating the driven sprocket


Discussion at Motorized Bicycle Engine Kit Forum in the Mounting Techniques forum. Originally Posted by huckersteve This is a phenomenal invention guys. I am STOKED. More so because you are here in ...
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Old 05-21-2008, 01:47 PM
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Default Re: Eliminating the driven sprocket

Quote:
Originally Posted by huckersteve View Post
This is a phenomenal invention guys. I am STOKED. More so because you are here in WA state! I am coming to you. Don't go anywhere I'll be there in an hour..
Seriously - do you want to be an early adopter?

Update - my set-up is in pieces right now. Trying the production gears ASAP. Started reassembling last night but too many interuptions, and the fact that I don't have the full production nuts and bolts caused delays ( I was reusing China junk nuts and popped the threads on two of the nuts!!). Maybe Thursday.

Ghost0 and I will have a board meeting on Friday after visiting and lunching with a main supplier.
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  #122 (permalink)  
Old 05-21-2008, 02:30 PM
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Default Re: Eliminating the driven sprocket

I am 100% on board to be an early adopter/ ride tester. I'm a bike shop guy and UBI certified mechanic (That's a piece of paper that says I can disassemble/reassemble bikes, etc), and would be beyond stoked to either just get set up for personal use or help with the final testing and feedback in any way at all. I am mobile and able to come to you guys pretty much any evening after work.

I am somewhat poor but would do whatever I have to to pay for the necessary parts to try setting a bike up. My Spooky is a single speed bike but I have a Schwinn Sierra MTB from the late 80's which I believe would serve as an ideal platform for a build with a fresh motor and your drive system. It is a twelve speed bike using a freewheel rear gear cluster of course.

I think this innovation could really change everything about the way people are currently using their motorized rigs, and it's exciting.
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Old 05-21-2008, 02:53 PM
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Default Re: Eliminating the driven sprocket

Cool - indeed it can't be free. We have been pouring money down a hole for 3 months.....worse than owning a boat.
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Old 05-21-2008, 02:59 PM
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Default Re: Eliminating the driven sprocket

Any plans to make something like this for the 4-stroke kits, like the SkyhawkII?

Parts (gears etc...) should be similar, just different mounting plates, perhaps something mounted on the bike instead of on the engine case.
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Old 05-21-2008, 03:06 PM
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Default Re: Eliminating the driven sprocket

4 stroke kit is in the concept stage. Gotta get sales of 2 stroke going...nearly out of capital. Oh that's right we are already negative......
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Old 05-21-2008, 03:18 PM
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Default Re: Eliminating the driven sprocket

Well, at least you're already thinking about it, so all things will come to pass in their own due time. ;-)
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Old 05-21-2008, 03:20 PM
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Default Re: Eliminating the driven sprocket

No doubt and no expectation of freebie kits of course. As a bike industry guy and former Rep, I know what a money pit development of almost any idea for production is. Not can be, but IS.

As I said, I'm poor, but this is something worth coming up with fundage for, without a doubt.

Might need to craigslist one or two of my steeds from the stable...
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Old 05-21-2008, 10:02 PM
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Default Re: Eliminating the driven sprocket

What do you think would happen if we were to use a 7 speed Shimano hub? Do you think it would hold up? I think I saw a conversion for the Schwinn style bottom hub so we could use the outfit you are making. I don't need the speed, I want the fuel mileage and a quieter ride. I do have the proper setup on my Pacific, so I am looking forward to a kit for that. Thanks, have fun, Dave
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Old 05-21-2008, 10:32 PM
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Default Re: Eliminating the driven sprocket

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What do you think would happen if we were to use a 7 speed Shimano hub? Do you think it would hold up? I think I saw a conversion for the Schwinn style bottom hub so we could use the outfit you are making. I don't need the speed, I want the fuel mileage and a quieter ride. I do have the proper setup on my Pacific, so I am looking forward to a kit for that. Thanks, have fun, Dave
Should work fine. You can get a 7 speed twist shift for the left side as well.
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Old 05-23-2008, 10:28 PM
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Default Re: Eliminating the driven sprocket

You can get a BB converter to go from the cup and cone style BB that you have with a one piece crank to fit the kit BB here: FMF PowerMoto Alloy Bottom Bracket Conversion Kit: FMF BMX Racing Bicycle Products
eliminating-driven-sprocket-bbbracket.jpg

Seeing as how you will be getting a new BB and cranks that is all you will need extra.

Be forewarned though that the old cottered cranks like on that yellow bike may not convert as the threading for the mtb style BB that comes with the Happy Shaft kit the boys are doing has I believe a different thread.

Ghost0, I never got a chance to get up on the hill this week to check this out but we need to get together soon! Bob, down at Ft. Fraser........
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