Utilizing the derailleur gear system?

[HoughMade]

Only you can keep the pedals- better yet!

 

[86BG]

How are you going to mount it to the frame?

Any pictures of the project yet?

Pictures when I get started.

I pulled the engine mount plate off the scooter and am going to simply weld a tube under the plate and to the frame but make the mount tube pivot up and down for chain tensioning.

I don't have any pictures yet but it seems the only way to do it with the gearing I want is with a jackshaft.

The shaft comes out ont he right side of my engine, so I'm going to run a chain from the right side of the engine to a 48t 35pitch sprocket on the jackshaft, then on the left side of the jackshaft have an 11t 35pitch sprocket running down to the left side bike crank, which will have an 48t 35 pitch sprocket on it, then on the opposite side I'm going to have the smallest possible sized bike sprocket I can find on the right side of the crank in place of the casette.

Lots of extra BS to do, I know, but it's worth it when first gear 6000 RPM is at 10 MPH, 2nd gear 6000 RPM at 20, and so on
What are your thoughts?


Does anyone know if there's a sprocket and chain pitch NUMBER that matches a standard bike chain?

 

[86BG]

second thought, without altering the casette, I could run an 11t from the engine to a 30t on the jackshaft, then on the other end of the jackshaft another 11t, then down to a 30t on the left side of the bicycle crank. my first gear shift should be at 10mph without altering anything on the bike besides removing the pedals.

I don't see why removing the pedals is such a problem. Does it make the bike illegal?

 

[Mountainman]

I don't see why removing the pedals is such a problem. Does it make the bike illegal?

well - it would not be a motorized bicycle without pedals
that's for sure...

not sure if it would be legal or not --
maybe called a -- motor driven cycle ?

Ride That Thing - Mountainman

 

[kerf]

I live in alabama and a friend said as long as it's under 50cc it doesn't matter, but I think he's wrong.

You are right, your friend is wrong.

 

[86BG]

I don't plan on ever using the pedals, so I can probably come up with a method to make it pedal powered on a seperate crank with a sprocket on the left side of the wheel.

I just bought 2 30t and 3 11t 35 pitch sprockets and some chain for 30 bucks and I should have it done a few hours after I find a bike to put it on. The 2 I have are swingarm rear with shock/spring in the middle of the frame so unless I make one of them hardtail I'm going to have to find another bike. I could always mount the shock elsewhere, though.

Now where can I find a tiny catalytic converter?

Has anyone used electrical conduit for exhaust?

Since it is categorized as a bicycle, is it legal to drive drunk?

 

[JE]

UH why would you want to drive drunk and potentially hurt somone or you're self. Why not just poney up the $199 and buy exactly what you're talking about building from sickbikeparts.com

 

[86BG]

Have you ever ridden a bike drunk? The point IS to get hurt.

Because 199 bucks is more expensive than 30 bucks and bolting stuff on is not how I like to do things.

For example -

 

[moonlightspecial]

CHECK OUT WWW.SICKBIKEPARTS.COM (JACKSHAFT) it will blow your mind

 

[86BG]

Is this community built on consumerism or ingenuity? I can get the same result for the 30 bucks I spent, and use the money I saved, so can we stop pressing products on me through personal messages and this thread?

I like to support a good product when I see one, and it is great, but 200$ is way overpriced.