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 Chain in place of belt.

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dangeroustoys56
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Jamus
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PostSubject: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 13th 2010, 7:56 pm

I was thinking about this the other day. Has anyone ever swapped the belts and pulleys for chain and sprockets? You could use a clutch right on the motor like they do in gokarts. Seems like it would eliminate any slipping. I have no intention or need to do this, but it did spark my mind.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 13th 2010, 11:02 pm

Lawntractor racers do that - only real issue is chain 'slap' and or binding- would need regular oiling to keep it free.

Id find a heavy duty go kart clutch - actually id planned on using a 5HP honda horizontal motor, a go kart clutch, fair amount of chain to a straight rear axle on my 80's MTD wizard for a sorta 'mini tractor kart' - that setup would be a platform for a large horizontal twin cylender motor as a future mod( along with lowering, smaller wheels, ect).

Ill have to dig that out n add it to my list.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 15th 2010, 11:53 pm

couple ppl have some chain drives on here
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 16th 2010, 12:20 am

All the chain drives I've seen were horizontal shaft motors. I was thinking along the lines of the more common vertical shaft motor in most riding mowers. I've never messed with anything chain drive so I didn't know about the slap.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 16th 2010, 6:33 am

Heres a racing tractor with a chain drive ( chain isnt present yet) :
Chain in place of belt. Horizo10

Its got the clutch- it runs to a RAGB - you could make a stacked pulley with an old mower mandlrel to get it to the trans.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeAugust 16th 2010, 11:08 am

That's a cool looking mower. I see what you're talking about now, they run much shorter sections of chain.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeSeptember 5th 2010, 12:33 pm

Ive been thinking about trying that for a while but issues would be braking and shifting for me
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeSeptember 5th 2010, 1:43 pm

Thevinnieman92 wrote:
Ive been thinking about trying that for a while but issues would be braking and shifting for me

Yeah i think thats why no one does it, belt is much cheaper and you would need to buy a good heavy duty clutch for chain drive.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeSeptember 5th 2010, 4:50 pm

Braking and shifting wouldnt be an issue- brakes would have its own pedal - the clutch does the shifting- there is no trans.

They make some heavy duty clutches - if you could get a rebuildable type- its pretty easy to take it apart , rebuild it and stick it back in once inna while.

Best bet would be to get a large horizontal shaft motor, mount a snowmobile clutch , driven shiv and trans( snowmobile) to a tractor ( with brakes) - have it all in one heavy duty package.

I would, but my old sled is back north .

This place i used to buy used tractor parts from would race his tractors every weekend - he said he mounted a regular go kart clutch to the engine, welded a larger sprocket on it and went racing, says ( at the time ) had never had an issue with it- you have to clean them once inna while as well- they do require some maintenence.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeSeptember 6th 2010, 12:50 pm

dangeroustoys56 wrote:
Braking and shifting wouldnt be an issue- brakes would have its own pedal - the clutch does the shifting- there is no trans.

They make some heavy duty clutches - if you could get a rebuildable type- its pretty easy to take it apart , rebuild it and stick it back in once inna while.

Best bet would be to get a large horizontal shaft motor, mount a snowmobile clutch , driven shiv and trans( snowmobile) to a tractor ( with brakes) - have it all in one heavy duty package.

I would, but my old sled is back north .

This place i used to buy used tractor parts from would race his tractors every weekend - he said he mounted a regular go kart clutch to the engine, welded a larger sprocket on it and went racing, says ( at the time ) had never had an issue with it- you have to clean them once inna while as well- they do require some maintenence.

Yeah but for off roading wouldn't they ware out quick?
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeSeptember 6th 2010, 7:23 pm

It shouldnt really wouldnt be any different then a go kart - most those go offroad anyway. If a go kart clutch holds up to racing- it should hold up going offroad . Id look for a good heavy duty one , cheep ones wouldnt probably last too long. Im going to use on my wizard project ( whenever i get around to building that)- ill see how long the clutch lasts on it ( hauling my butt around).

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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeNovember 25th 2012, 5:45 pm

My murray is chained drived with a peerless tranny it has a belt from the motor to the tranny then a chain from tranny to the solid axle.
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeNovember 25th 2012, 6:08 pm

I put a Hilliard Exrteme Duty chain drive clutch on mine.

WIth a chain I don't have to worry about slippage so long as I maintain it. The Hilliard cluthes have adjustable engagement speeds.

The big thing I would worry about is the shock loads being put on your transaxle by the chain over the belt. The belt is much more forgiving when it comes to shock loads. A rubber damper of some sort would remove the problem.

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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitimeNovember 25th 2012, 7:15 pm

dangeroustoys56 wrote:
Lawntractor racers do that - only real issue is chain 'slap' and or binding- would need regular oiling to keep it free.

The race mowers I saw at the Axbridge race meeting, none of the tractors or the ride on mowers had chain drive, they all used toothed belts and pulleys to stop belt slip. Seems the best way to me.

Chain in place of belt. 100_1817

The belt spins the clutch from a Honda CB250, the clutch is attached to a t-drive straight to the solid rear axle (fixed gear ratio, changing ratios mean changing pulleys).
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PostSubject: Re: Chain in place of belt.   Chain in place of belt. Icon_minitime

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