Noob Help Friction Drive Rollers!

Friction · #1 12-12-2008, 12:18 PM

Hello everyone I was wondering if you had any ideas with what would be a good drive roller for my bike. Preferably something I could slip on my shaft and weld it together. Please be free to send any ideas or pics.

I would also would like to know what size roller would be greatest roller for me Just to let you now I only weigh 80lb.s and wont put much drag on my bike lol

in any way at least I dont think

(Im only 13 thats why Im so light LOL)

deacon · #2 12-12-2008, 01:15 PM

In most states it will be illegal for you to take a motorized bicycle on the public roads. That said it would be helpful if we knew what kiind of engine. If it has a threaded drive shaft you might be able to just screw a bmx 3/8 by 24 ped onto it,

It is has a 5/16 threaded shaft you can probably slide the peg over it and run a nut down on it from inside the peg.

If all that fails you can get a 3/4 pipe nipple and weld a washer on each end. make sure the washer will fit down over your drive shaft.

If you use a bmx axle peg you want to use steel about an inch or so in diameter... Good luck..

Be sure you check with your parents before you do anything like this,.

comfortableshoes · #3 12-12-2008, 05:01 PM

definitely check with your parents first.

BMX pegs come in a variety of sizes. My suggestion is to try a variety of sizes where you are so light you could try a 2 inch peg- check out the mongoose pegs available at target and walmart for about $10. the 2 inch pegs will need to be coated with jbweld and sand for grip.

the best thing is a steel BMX peg, the bullet proof line forma good bike shop will do well for you too, they are knurled for grip.

With the bmx pegs there is no need for welding they are usually the right size to screw right on to the shaft.

Friction · #4 12-12-2008, 08:36 PM

Well I live in the sub urbs see kids ridin dirt bikes round all the time and theres no cops around. My weed wacker is a Ryobi 31cc 700r
and I looked over the regulations and my bike is .A. Ok ready to go!
P.S. its alright with my parents.

comfortableshoes · #5 12-12-2008, 09:08 PM

Quote:

Originally Posted by Friction

Well I live in the sub urbs see kids ridin dirt bikes round all the time and theres no cops around. My weed wacker is a Ryobi 31cc 700r
and I looked over the regulations and my bike is .A. Ok ready to go!
P.S. its alright with my parents.

the 700r series is a great whacker.

My suggestion would be for you to get rid of the clutch bell and housing- there is a small torx head screw holding the clutch on toss that carp. Shave the housing down with the dremel tool. and mount that way.

a regular 26 or 24 BMX peg for a 5/8th axle should work just right for you.

don't get the ally peg you'll wear it down to nothing in an instant.

Friction · #6 12-12-2008, 11:16 PM

My engine doesnt have any threads and the shaft is short but wen i take the clutch bell of will it give me more shaft length???
p.s. when you start up a friction drive bike when you take the shell of it takes away the pull start how would you start it do you just pedal your bike to start the engine or what kinda confused??

comfortableshoes · #7 12-13-2008, 06:31 AM

Quote:

Originally Posted by Friction

My engine doesn't have any threads and the shaft is short but wen i take the clutch bell of will it give me more shaft length???
p.s. when you start up a friction drive bike when you take the shell of it takes away the pull start how would you start it do you just pedal your bike to start the engine or what kinda confused??

get rid of that clutch bell and the housing that it is in. If you take off the rest of the housing you'll loose hte pull start, no worries tough you can bump start it, ie start pedalling and when you hit 7 MPH or so drop the engine on the tire and it usually starts right up.

I'll get some pics of the trim job I did on my housing. you should do a search on here for friction drive nad read all the posts that come up.

Friction · #8 12-13-2008, 11:53 AM

thanks im looking forward to see the pics

deacon · #9 12-13-2008, 01:23 PM

I always started mine the first time with a rope start sitting in my driveway with the engine up. That way I knew it was going to start before I pedaled it out onto the street. You can leave it running and just lower it onto the wheel when yoiu are going. then lift it when You want to stop.

The rope can be made from your pull starter if you are not going to use it.

comfortableshoes · #10 12-13-2008, 02:05 PM

alright I hope these pics help.

On either side of where the clutch is or used to be in my case, I trimmed the shroud or case of the whacker down with my dremel tool. You could use a grinder, rotary tool (not safe), or coarse sanding drum. You want to grind the plastic down so that the whole front of the case is flat and flush. this way you can keep your pull start and the cooling effects of the case.

Let me know if you have any questions