18cc? Any uses.

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AkaZero

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Going through a junk pile in my garage found the motor from a weed eater. "featherweight" only 18cc.

Have any use for a person propelling device? Maybe a pedal+motor moped for added power without completely driving the bike.
 

Bluethunder3320

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i dont think it would be worth it to build a bike with an 18cc. you would have to be geared to like 5 mph
 

r_chez_08

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You could have a powered bike, but you would need pedals too, so just use it as an assist.
Would probably be terrible though! Maybe a motorised scooter or skateboard.
 

Badot

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Use it to make a fan for you for when you're working on something that'll actually go somewhere :roflol:

Maybe you could put it on a Razor scooter for a 5 year old.
 

AkaZero

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I actually thought about a portable fan, but breathing two stroke exhaust would not be fun.
Unless I used a squirrel cage fan.

I might just take it apart and look at the tiny piston.
Wrenching is always a learning experiance, and I haven't taken a two stroke apart yet.
 

landuse

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I actually thought about a portable fan, but breathing two stroke exhaust would not be fun.
Unless I used a squirrel cage fan.

I might just take it apart and look at the tiny piston.
Wrenching is always a learning experiance, and I haven't taken a two stroke apart yet.

The first time I took my weedeater apart I was surprised how small the piston was. It nearly looked cute....:D
 

AkaZero

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I might dig into in later today, take the plastic off ans such.

I might try to stick it on a bike still, I have a 10 speed that has a fairly large gear on the wheel. so a small gear onto that would make an 8 speed bike, with a little extra coasting power. :roflol:

Found this in my researching on this motor:
http://www.carrprecision.com/Pages/prod04t.htm
Makes around 1hp.
 

r_chez_08

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The first time I took my weedeater apart I was surprised how small the piston was. It nearly looked cute....:D

Haha, after rebuilding a couple of honda gx160/200 motors, the piston of my honda g100 83cc looked small. Can't imagine how small the 18cc one is!
 

augidog

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it will make a decent "assist" to a bicycle but not likely do any pulling on its own...you'll have to pedal, but that extra 1hp will make you feel like superman.

the engines used in that link have standard centrifugal clutches, you'll likely need to fabricate a roller attachment for your weedeater engine. imo, a chain drive would eat up a lot of power with such a small engine, maybe not so bad if you integrate it into a freewheel crank tho.

(18cc is less than 4 teaspoons of water)
 
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