help me please

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chunkyluva224

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hi guys im new to these forums and karting in general i am currently building a cart and putting a 13 hp greyhound engine on it im in a dillema wether to get a torque converter or a clutch i have the money for both but don know if i have enough space for the torque converter or if it will fit any feed back is welcomed heres the link for the torque converter

http://www.bulletlines.com/GTC-TC2-1-Bore-Torque-Converter-p/54.htm

they have two different ones not sure wich one to get
 
Doc Sprocket

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If that's a dead axle/1wd like it looks like to me, the simple bolt-on answer is centrifugal clutch.

If you have some fabrication skills and tools or a friend that does, you could consider the option of the CVT- but-

You'd have to massively re-arrange the rearend to accomodate it, and you'd want to consider a live axle while you're at it. That's a lot of time, money, and fabrication. Perhaps you're better to stick to the clutch.
 
anderkart

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:iagree: ^^^

Even If you chose to use a centrifugal clutch, you will most likely still need a larger motor mounting plate anyway, because your old one is probably sized for a smaller 5hp briggs engine.

The motor mounting bolt-pattern on your 13hp is much larger, and the 13hp engine is a lot wider than a 5 or 6.5hp. So the 13hp would also need to be located more towards the center of the kart.

So... you could install a larger motor mounting plate far enough over (towards the center of the kart) so there would be room for the torque converter and jackshaft to fit, and line up with your sprocket.
Or, if you chose to use a centrifugal clutch, just locate the new motor mount so the clutches drive gear perfectly lined up with your wheel sprocket)

You'd need to buy your torque converter, jackshaft and gears (or centrifugal clutch) first, so you could mock everything up to determine all the mounting locations. But your kart does have enough room to do what ever you want if you do some mods.

From your pic, your kart appears to be an open-axle/1-wheel drive setup.
I prefer karts with a live axle so both rear tires drive the kart. If your going to all the trouble of mounting that more powerful 13hp engine anyway, this would be a really good time to also upgrade your kart to a live axle. Then you could easily use that torque converter that you posted a link to above.
 
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chunkyluva224

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i have every tool i need at my disposal im building this in metal shop so i can do anything with this basically but thanks for the feedback guys. oh nd by the way how hard would it be to convert it to a live axle?
 
Bluethunder3320

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chunkyluva224 said:
i have every tool i need at my disposal im building this in metal shop so i can do anything with this basically but thanks for the feedback guys. oh nd by the way how hard would it be to convert it to a live axle?
Click to expand...

youd have to first buy a solid axle, rims that are keyed, buy keystock, bearings, sprocket hub, brake hub, brake system....

basically you would be totally cutting off the axles from the frame that it has now, and installing bearings for a live axle.

depending on what components you buy it could be around $100-$150
 
wall gator

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chunkyluva224 said:
hi guys im new to these forums and karting in general i am currently building a cart and putting a 13 hp greyhound engine on it im in a dillema wether to get a torque converter or a clutch i have the money for both but don know if i have enough space for the torque converter or if it will fit any feed back is welcomed heres the link for the torque converter

http://www.bulletlines.com/GTC-TC2-1-Bore-Torque-Converter-p/54.htm

they have two different ones not sure wich one to get
Click to expand...

your two choises are chain size 35 vs 40....imo 40
 
redsox985

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Nope. They have belt drives between the driver and driven then a JS, where the driven is mounted, a small sprocket drives the axle sprocket.
 
r_chez_08

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South kart, that link didnt give me a torque converter? But i checked bmi's website, but they only have comet torque converters in 1" bore rated for 8hp, and i dont know if anyone has found out if gtc has just upped their rating.

Chunkyluva:
The torque converter works by using two pulleys that "change" their diameter constantly, or continuously, hence the name continuous variable transmission. This works as a clutch, when the belt is slack, and it works as a "torque converter", which essentially changes rpm to torque, or gives you an automatic gearbox kinda.
However, from this torque converter unit you have to transfer the power from the second pulley to the axle. This is where the chain size comes into play. You have a choice of #35 or #40 chain. The #40 chain is more heavy duty, however i would get the same chain as your drive sproket, as it saves you buying a new one.
Hope that helps
Rob
 
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