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 chain with clutch vs/OEM belt?

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TheEquineFencer
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PostSubject: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 11:45 am

I'm thinking of doing a build with a clutch and chain coming off the engine and going straight to the top of the input to the rear end. What's some things I might want to look out for or why should I not do it this way? I'm going to build an entire new frame from new steel.
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Chopperhed
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 1:00 pm

The biggest issue with a centrifugal clutch and chain is that you can't drive at low rpm, and you can't disconnect the driveline at high rpm.

A modified motorcycle clutch takes a lot more work, but you have the advantages of control.
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:09 pm

I thought about that issue. I figured I'd just shift it to a lower gear and rev th engine more. I can order the clutches with differant lock in speeds too. If I lock at too low of an RPM I'll be below the torque curve and the engine willl stall. I'd thought some about trying a V/S torque convertor set up too.
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Chopperhed
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:20 pm

a CVS ( snowmobile) system would work well, but you still have the low speed high speed issue. Not to mention they are 3 times the price.

I'm running a Centrifugal clutch and chain / jackshaft on mine, but its not intended to be for crawling.
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:22 pm

Do you have a link/pictures of your set up?
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greener179
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:23 pm

You would be able to crawl if you put like large sprocket on the trans the still have speed in the higher gears
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:29 pm

I may just hunt me down a hydrostatic drive transmission. I know where there's a lawn mower graveyard near me. I junked an old Toro 44 inch with one a long time ago there. He may still have it. That would save a lot of problems. Then all I'd have to do for more speed is install alrger pulley on the engine and a smaller one on the tranny. The flow would be controlled by the pedal position.
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WellThatsSurprising
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:30 pm

TheEquineFencer wrote:
I may just hunt me down a hydrostatic drive transmission. I know where there's a lawn mower graveyard near me. I junked an old Toro 44 inch with one a long time ago there. He may still have it. That would save a lot of problems. Then all I'd have to do for more speed is install alrger pulley on the engine and a smaller one on the tranny. The flow would be controlled by the pedal position.

Can't do that with a hydrostatic, Overspeeding them burns out the pump and release valve.
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:35 pm

That's good to know. That's why I joined this group, good info. I guess I could still use a hydrostatic drive and run taller tires or maybe even add a jackshaft on the output to another axle to gain the ground sppeed on the output side. The more I drive the Cub I've built/building with the hydrostatic drive the more I like it.
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:37 pm

I wonder what the "linit" is for input speed on a hydro drive before I start cooking things?
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WellThatsSurprising
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:51 pm

Wouldn't be that hard, different between each transaxle though. Just take max engine speed (3600RPM) Factor in the pulley sizes and bam.
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Thunderdivine
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 4:59 pm

If you google the serial number to the hydro you will see some letters mean different gearing, I just got 4 hydro stats then realized that they are geared differently.
But two of them the same so I'm good.
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Chopperhed
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 6:53 pm

TheEquineFencer wrote:
Do you have a link/pictures of your set up?

Nothing good enough to show everything, And its torn down for paint right now.The build thread is here

http://atltf.forumotion.com/t1385-mastercraft-off-road-project

and vids are up here

https://www.youtube.com/user/chopperhedduck/videos?view=0&flow=grid

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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 7:37 pm

Man, I thought I was really doing something. You're the man! It'd be nice to have a gear box with reverse in it. That thing is a nice homemade 4 wheeler in sheeps clothing!
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Chopperhed
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 7:55 pm

TheEquineFencer wrote:
Man, I thought I was really doing something. You're the man! It'd be nice to have a gear box with reverse in it. That thing is a nice homemade 4 wheeler in sheeps clothing!

It's really just a collection of leftover parts, and an old tractor I didn't like or need.

If I could find a Horizontal FNR gearbox, i'd install it in place of the jackshaft.
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TheEquineFencer
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 7:58 pm

I bet an old gear box from a servicar would work. I've been looking around for one. I thought about looking for a PTO gear box from a truck transmission that has a Fwd/N/Rev.
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Chopperhed
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitimeFebruary 21st 2013, 8:13 pm

I still have a fnr box out of a MTD, but its got verticle input. I could put a clutch on my vert shaft BS motor , but not with the swingarm without a major rethink
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PostSubject: Re: chain with clutch vs/OEM belt?   chain with clutch vs/OEM belt? Icon_minitime

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» Would you use a chain or pulley type clutch and what ratio?
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