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Author Topic: Variable speed pulley.  (Read 1134 times)
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tractorman
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« on: July 23, 2007, 08:09:24 PM »

Hey guys while I was working in the garage tonight I was looking at some pulleys I had and kept thinking what would be a good pulley for my tractor. Well it came to me to us my extra variable speed pulley. Now I know what you are thinking well he is using it for pulling maybe and for high RPM AND HP motors. Well after some testing it seemed to work very well. The pic below show on how to adjust it and how it work. If you screw it in this can be used ti grip the belt tighter and dig into harder surfaces for more traction. Loosen it for softer lighter dirts.



First this is the pulley.



The allen screw that hold the key.



After loosining the screw slightly take the key out.



And as you see there is another half notch so you can turn it a half of a rotation or a full rotation.

And then replce the key.
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« Reply #1 on: July 23, 2007, 08:32:39 PM »

thats a good idea, its also a good way to fine tune a gear ratio.

-I thumbnailed you pics for you, please try to remember to do it from now on-

-Phil
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tractorman
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« Reply #2 on: July 23, 2007, 08:34:01 PM »

Thank you Phil, i dont know what I did wrong I uploaded my pictures to photobucket and copy and pasted the IMAGE Url
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« Reply #3 on: July 23, 2007, 08:39:10 PM »

Follow this.

-Phil
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tractorman
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« Reply #4 on: July 23, 2007, 08:56:23 PM »

Ok I am trying this attemp.











Posted on: July 23, 2007, 08:54:54 PM
I followed it didnt work?
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« Reply #5 on: July 23, 2007, 08:58:45 PM »

Close, theyre thumbnailed, just not clickable thumbnails.

The tag should read:

[ U R L = image url ] [ i m g ] image url with th_ before the image name [ / i m g ][ / u r l ]

With no spaces.

-Phil
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tractorman
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« Reply #6 on: July 23, 2007, 09:03:05 PM »

All right one more try.




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« Reply #7 on: July 23, 2007, 09:10:01 PM »

There ya go!!

Ill fix the other pics for you while i'm here. nice looking tractor btw.

-Phil
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« Reply #8 on: July 23, 2007, 09:14:08 PM »

O yeah thanks. It is in progress for my father. He wanted to build one for a stock class so I said why not. we are using one of those kohler blocks in one of those pictures. We have to use a 10 hp can be full modified. Last time I got done building my engine it turned out 55.67 HP. Hope to shott for a little over 60 or close for this one. Next comes the cub.  badgrin
 grin tongue2 dance :biggrin: taz woohoo banana rocknana woot maxevil
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« Reply #9 on: July 24, 2007, 06:26:21 AM »

Thank you Phil, i dont know what I did wrong I uploaded my pictures to photobucket and copy and pasted the IMAGE Url

You're best bet would be to use our uploader wink

http://www.offroadmowers.com/uploader/
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Just because you move up in a class doesn't mean that you'll "loose" the "race", it just means that you're building a better, more capable machine.
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« Reply #10 on: July 24, 2007, 09:33:40 AM »

that engine is blown(supercharged)??? how awesome... any numbers(hp/torque) on it? that off one of the JR dragsters? or a racing cart?
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« Reply #11 on: July 24, 2007, 10:25:32 AM »

Yup supercharged.  bigsmile Not mine though. go to www.heartbeatracingproducts.com Look at the top and click R&D and you will see all the stuff this guy makes.



Poor man supercharger



First total solid billet engine.
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