Chainsaws,weedwhackers,snow blowers...oh my!

[eastwoodo4]

shindaiwa weed wacker

i gotta a friction drive i made with a shindaiwa weed wacker.they work great as long as u get the one where the clutch drum shaft sticks out about 3/4 of an inch.that way when u have a spindle machined ut will slide on the shaft an can be set screwed.i ave a couple pics in gallery.any q let me know.

 

[codi79]

This is the motor I am planning on powering my bike with. Not very big at all, but Im sure it'll go. I got it about a year ago and it hadn't been running for a few years so i changed the spark plug, cleaned the carb, and replaced the fuel and primer line. The drive spring in the shaft was stripped by the previous owners so I've got a running motor unable to do its job, so I might as well give it some use and strap it to a bike.





If you have any suggestions or tips, feel free.



-Codi79

 

[a-dam]

Suggestions? Yes. Don't wear those pants when you go out riding

Just messing with ya. I can see a sneaker and plaid pants (pajamas?) in the 2nd photo.

I've yet to finish my very first "whackermobile" (25cc Homelite blower motor on an old Schwinn 10-speed, friction-drive), so I'm not going to pretend to have "expert" advice. Make sure you know which way the thing spins, though. Sounds stupid, but once you get a motor out and take the starter pawls off the flywheel, it can be easy to forget whether it spins clockwise/counterclockwise when looking at the output shaft.

 

[codi79]

Haha. Yes there pajamas. I was wanting to take a picture of the side of the motor and it wouldn't stay up, so that why my foot was there. I knew someone would ask about that.

 

[a-dam]

Yeah, I could tell that your foot was steadying the motor for the pic. I couldn't resist making a "pants" crack. Believe it or not; today I was driving through Monee, Illinois and a kid about 16 was walking home from school I guess, and he was wearing pajama bottoms with a winter jacket and hat. So maybe it is a "young people" thing? I mean, these things on his legs were pajamas, no doubt. I'm over 40, so I know nothing about the latest fads. Is it still cool to steal and wear bowling shoes?

Anyway, did you have a certain plan for that motor, or do you know what bike you intend to put it on? I mentioned the "clockwise thing" because if you take the pull-start off of a small motor, you will probably have to bump-start it. That will most likely leave you with a friction-drive system. Friction-drive and gear-drive systems can have the motors facing the opposite ways, so you should first decide how you intend on powering the bike.

 

[Alaskavan]

I seem to remember reading that if the pull-start was on the shaft side of the engine, it indicates that there may only be a bearing on one side of the shaft. If that's true, you might want to rig a mount that integrates a bearing at the end of your drive roller to spread the pressure, and thus the wear. This is just a vague memory, but you might want to look into it.

 

[codi79]

Haha. Steal bowling shoes. Thats a good one but was definetly a fad a while back. Pajamas are kind of a newer trend but I only wear them around the house, never to school or anything.


Now back on topic here. Well, I don't really have a certain bike I have planned for it but I'll be getting one quite soon when the weather is a bit warmer so I can tinker in the garage for a length of time without the numbing of my fingers. The bike is going to be spindle (friction) drive, and yes I most definetly will have to bump-start it or pedal-start it.

 

[srdavo]

i gotta a friction drive i made with a shindaiwa weed wacker.they work great as long as u get the one where the clutch drum shaft sticks out about 3/4 of an inch.that way when u have a spindle machined ut will slide on the shaft an can be set screwed.i ave a couple pics in gallery.any q let me know.

nice job!!

I've yet to finish my very first "whackermobile" (25cc Homelite blower motor on an old Schwinn 10-speed, friction-drive), so I'm not going to pretend to have "expert" advice. Make sure you know which way the thing spins, though. Sounds stupid, but once you get a motor out and take the starter pawls off the flywheel, it can be easy to forget whether it spins clockwise/counterclockwise when looking at the output shaft.

good idea.... we mounted a chainsaw engine backwards once....

I seem to remember reading that if the pull-start was on the shaft side of the engine, it indicates that there may only be a bearing on one side of the shaft. If that's true, you might want to rig a mount that integrates a bearing at the end of your drive roller to spread the pressure, and thus the wear. This is just a vague memory, but you might want to look into it.

True about the single crank bearing.
good advise on the bearings on the drive roller.

Now back on topic here. Well, I don't really have a certain bike I have planned for it but I'll be getting one quite soon when the weather is a bit warmer so I can tinker in the garage for a length of time without the numbing of my fingers. The bike is going to be spindle (friction) drive, and yes I most definetly will have to bump-start it or pedal-start it.

I want to see all your ideas come together.
In the meantime, I have a few "new" engines (new to me )......check out this ancient beauty

note the size of the happytime block in comparison.
this is one heavy beast......thinking, maybe a trailer pusher...or a powerplant for my sidecar rig....?

 

[Jr74112]

Good morning! Have chainsaw motors and weedeater motors and going with rear rack mount.Am sheetmetal specialist and going to build own rack.Debating on which engine to use...1st build ...will keep you advised

 

[Dockspa1]

Man Dave, That is a heffer! How many cc's?