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chainsaw bike...

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Unread postAuthor: mopherman » Tue Apr 10, 2007 2:20 pm

lukemc wrote:
mopherman wrote:what would you reccomend?

i recomend building one from scratch or at least from a frame that is ment to cary a engine mounting a big enough one on a bike would be very tricky

if you can weld make one if you cant find someone who can and design it all out with some where to put a good size lawn mower engine

something like this

Image

with that design, when i run out of gas im screwed. thats why i chose a bike
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Unread postAuthor: )DEMON( » Tue Apr 10, 2007 2:27 pm

mopherman wrote:would it be better to use the chain from the bike or the saw?


The chain from the saw has teeth on it :wink: If that caught your leg you would not be very happy.
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Unread postAuthor: lukemc » Tue Apr 10, 2007 2:27 pm

problem solved

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Unread postAuthor: pyromaniac » Tue Apr 10, 2007 2:32 pm

The pluses off this project for me:

if it works i may be able to ride it.

i will learn soemthing new.

The minuses:

I'd be to afraid of chain sawing my head of to ride.

his parents wouldin't let him do this.
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Unread postAuthor: mopherman » Tue Apr 10, 2007 2:35 pm

i was talking to my dad about it and he said it would be cool. he recommended a lawn mower engine. i would make a chain guard for it.duh
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Unread postAuthor: pyromaniac » Tue Apr 10, 2007 2:40 pm

:withstupid:

chain gaurd IS a major duh isn't it? :violent2:

I'd go with the lawn mower.
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Unread postAuthor: mopherman » Tue Apr 10, 2007 2:42 pm

mowers are heavy.....
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Unread postAuthor: mopherman » Tue Apr 10, 2007 2:44 pm

how do you adjust speed on a mower engin btw?
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Unread postAuthor: Kenny_McCormic » Tue Apr 10, 2007 3:37 pm

well you take the gov linkage off and then attach a cable to the throttle butterfly in the carb
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Unread postAuthor: mopherman » Tue Apr 10, 2007 4:27 pm

huh?
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Unread postAuthor: MisterSteve124 » Tue Apr 10, 2007 5:01 pm

Well first off I had the same idea but I never completed it because of lack of money and materials. But there is no reason why it wouldn't work. A chainsaw has plenty of torque to spin a bike tire and theres not really that much that you could mess up on that would put you in danger. You would probably need a welder to atleast weld a bracket for the chainsaw. But I would defenitly try and use the chain that the bike came with. All you really have to do is attach it add a centrifigul clutch and just put a throttle cable on. You could just use the front brake handle as the throttle handle since you wouldn't be using the front brake anyways. And I would not use a lawnmower engine because they are heavy and almost all of them are horizontal shaft engines.
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Unread postAuthor: mopherman » Tue Apr 10, 2007 5:08 pm

how would i mod the harnd brake to be throttle?
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Unread postAuthor: pyromaniac » Tue Apr 10, 2007 7:12 pm

My dad could weld that for you.
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Unread postAuthor: mopherman » Tue Apr 10, 2007 7:16 pm

sweet, i was wondering about that part :P
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Unread postAuthor: shud_b_rite » Tue Apr 10, 2007 8:49 pm

I saw this thing on instructables about some people who used a pneumatic hand drill and an old propane tank filled with compressed air and they geared it up to a bike and it worked. I reckon if you had a better drill (maybe even a steam engine) and a larger tank (say a dive tank) you could make it have quite reasonable range. you can look it up on instructables for the full details.

I just thought that might interest some people because its kind of related.
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Airbeds... so many different uses
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