Max Torque Clutches

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Blazkowiez

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Are you saying your tire just spins in the yard until it grabs, and this is tearing up your yard? I'm trying to follow what your tire does spin and you just don't go anywhere? I could be reading that wrong, but if your tire spins, you just have the wrong tread pattern, if your tire does not spin, you may have worn the clutch from lack of lubrication.
 

dave1701

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My tire spins until it grabs. I will be putting Snow hog tires on my rear wheels when they arrive (hopefully by the end of the week). Hopefully that will work. I am skeptical though because I have a feeling that it is just accelerating too quick and with more agressive tires, it will just tear a deeper hole in the yard.

My Theory:

I feel that I have to give the motor enough throttle for the clutch to fully engage to get my ride movin'.

As ya know ma friend, going from a complete stop to clutch fully engaged would spin the tire like a @#!@.

I gotta figure out how to fix this 'thout changing my gear ratio. ( I can't Change my gear ratio because the sprocket would end up bigger than my tire.)

Do you think I'm Right?


PS: This is only when I'm going up hill, but even on flat terrain I have to be carefull and barely press the gas to keep the wheels from spinnin'
 

solomon

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So on the grass you speak of, when you take off, are you saying that only when you Floor it it works, and when you floor it, its eating up the grass? If so you might want to change the gear ratio to 5:1
 

dave1701

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If I change my gear ratio from 6:1 to 5:1 That, I believe would worsten the problem because that would increase my top speed and lower my torque

I want to decrease my top speed and increase torque.
 

solomon

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But its not grabbing, meaning A your tires suck for grass, or B your gearing is a bit to low causing it to spin out.
 

solomon

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okay, go buy the clutch. Like $32 on ebay for a 10T or 12T 3/4" shaft
 

Kaptain Krunch

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I dont think its the clutch at all, in-fact your clutch is locking up so well that your spinning your tire. No centrifugal clutch will take off well if your just giving it a little gas. lowering your gear ratio (sau 7:1 or even 8:1) would make your problem both better and worse, you would be able to take off slowly, but you would dig an even deeper rut if you floored it.

Here are your options, Live axle, stop caring about your lawn, setup a jackshaft and get your ratio down a bit, and just go easy on the gas on takeoff, or deal with it. Your going to go through clutches like crazy if your just barely giving it gas, think of it as an on off switch, theres no in between.
 

devino246

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If its not grabbing, you have too much torque. Like on my kart, i have a 3.33:1 (i know its crazy) gear ratio. I cant spin slicks on wet grass. If you feel like the clutch is your problem, you could always try a belt tensioner setup. Its like driving a manual car, you choose when it engages. Its the system riding lawn mowers use.
 

dave1701

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Hey, guys thanks. I'm just going to deal with it till my clutch breaks, then I have another one and I'll think about what I'm going to do again
 

Blazkowiez

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You said you have Polor Trak tires on the way, I was correct in the analysis, this is a traction problem and has nothing to do with your clutch. If you don't care about top speed don't worry about buying a new sprocket and changing the ratio.

Try the polor trak, if those work then thats freaking awesome, if they don't, PM me, we have an X-Trak pattern which is more aggressive than Polar.

Once again, ::High5:: directed at Krunch.
 
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