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Micro pulling class?


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#1 tater195 ONLINE  

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Posted June 01, 2015 - 07:21 PM

Anybody do this? This is an idea I have been kicking around for a long time. Low $$ ,run what you brung, spec tire, almost anything goes class. Single cylinder engine, belt drive, straight axle, limited to normal lt size (3x6) and you have to run these tires..(14x450-6-AG).http://www.smallengi...6-AG-WH-S2.html

 

 

 

Cut 'em, weight 'em.. do what ever you want to do... hell put a high $$ juiced up 30HP engine on it... if it dont grab, you are just wasting money


Edited by tater195, June 01, 2015 - 07:45 PM.

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#2 LilysDad ONLINE  

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Posted June 01, 2015 - 07:44 PM

If you want to save the cost of a pulling sled, you could just make it a tug of war.


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#3 tater195 ONLINE  

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Posted June 01, 2015 - 07:47 PM

At $1/# for steel weight, a sled for these will be real cheap and can be built out of junk I have laying around IE: free. Much cheaper than someting that can pull 1500#. With these tires. I doubt they could pull 500#, but I might be wrong???? Sand is under $6 a ton


Edited by tater195, June 01, 2015 - 07:55 PM.


#4 Dieselcubmike OFFLINE  

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Posted June 01, 2015 - 08:58 PM

If you can get a few locals together and try it then id say go for it. Not really sure what those tires would even fit? Not familiar with those small tires looks like small roto tiller tires? If anything build one yourself and try it out that's about the only thing you could do. 



#5 tater195 ONLINE  

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Posted June 01, 2015 - 09:26 PM

If you can get a few locals together and try it then id say go for it. Not really sure what those tires would even fit? Not familiar with those small tires looks like small roto tiller tires? If anything build one yourself and try it out that's about the only thing you could do. 

They are and thats what I plan to do. Get a free mower and some scrap steel, should be able to build a competitive puller for under $200 max, that wont buy aluminum wheels for a cub cadet



#6 Dieselcubmike OFFLINE  

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Posted June 01, 2015 - 09:36 PM

best of luck


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#7 tater195 ONLINE  

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Posted June 01, 2015 - 09:52 PM

Stay tuned for updates. I plan on doing a few "Willy Pullit" videos. Betting is not condoned on this site, but I dont object to contributions to my palpal acct


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#8 tater195 ONLINE  

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Posted June 01, 2015 - 10:24 PM

"Willy Pullit" V1... I need a few weeks to assemble and fab. Looking for a 150# rider (thats the hard part). On a rubber tread mill mat ( designed to distribute the weight and pulling force), on smooth concrete................. Willy Pullit????

 

20150601 220713

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#9 tater195 ONLINE  

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Posted June 02, 2015 - 04:39 PM

I grabbed some stuff I had laying around to get an idea of the scale. Still picking parts. not sure if I want to go with a horizontal shaft and have the belt right next to my leg or a vertical and deal with the belt twist

 

20150602 162124

 

I had time to do the math for the speed today. My first try was gonna be stupid fast... 6" on the axle and 3" on the motor. With 14" tires, I cant go much bigger that 10-12" on the axle. 3" is probably the smallest I can get away with on the engine. The 3/10 setup would be 45mph at 3600, 3/12 is 37mph. I read somewhere that the mini rods have wheel speed of 150+, not that they drive them that fast, so 35-45 on this should work. Driving this thing will be an acquired skill


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#10 tater195 ONLINE  

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Posted June 02, 2015 - 05:41 PM

This is the power curve for the 9.0 horizontal

 

http://www.subarupow...ower-curves.jpg

 

Having a hard time finding one for the 14.5 and 17.5 intecs. If they follow the curve for the smaller ones, the are about 75% hp at 2000 rpm. The ex27 looks like it has some good low end torque.



#11 Chris11 ONLINE  

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Posted June 03, 2015 - 07:03 PM

Still don't know what your trying to do. are you building a go kart or a something to pull with?


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#12 tater195 ONLINE  

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Posted June 03, 2015 - 09:21 PM

Still don't know what your trying to do. are you building a go kart or a something to pull with?

Looking for a low$ back yard basher. I started bending the frame  and it looked like a gokart. Not what I was after. I was wanting to keep this a cheap build that anybody could do, but after figuring the speed and the limitations on pulley size, I dug out some old spare parts. I think LT transaxles would work better and cheaper/ easier to source than axles and bearing blocks, then figure out a braking system.  I had a few F/N/R transaxles laying around, but they are prone to axle housings breaking if abused. I also had a Peerless 700, but that goes back to the axle/ bearing thing, plus adding chain and sprockets. I settled on a hydro. The lt axles will narrow the foot print, but it resembles a pulling tractor a little more with the small scale rear tires.

The tiller tires will be here tomorrow, so I can get a better idea of what the finished product will look like. I cant start on the frame until I know where the inside of the tires will be.

 

20150603 193703 zps0b7wnxjn

Edited by tater195, June 03, 2015 - 10:49 PM.

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#13 tater195 ONLINE  

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Posted June 03, 2015 - 09:33 PM

Not sure the 45mph tire speed would work out anyway. I will loose about 20% on top end speed with the short tires compared to OEM. .... but that equals more torque :dancingbanana: . A 4 mph pull wont be much fun to watch compared to the big guys. I might save the other setup for mini sand drags.


Edited by tater195, June 03, 2015 - 09:33 PM.


#14 tater195 ONLINE  

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Posted June 03, 2015 - 10:31 PM

Front View...

20150603 220604 zpss2btoran

 

Not sure I like how high the engine sits. Jackshaft or bend the belt? Either way, its about $50 worth of parts I dont have... well maybe I do, just not sure I can find them  :wallbanging:

If it was a gear drive I would flip the axle over. I have not been inside of this one, dont know if it has a valve plate I can turn over???


Edited by tater195, June 03, 2015 - 10:37 PM.


#15 tater195 ONLINE  

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Posted June 03, 2015 - 10:59 PM

10-200 :wallbanging:  I tried to spin the input on this hydro and something is locked up. Probably a $5 bearing but wont know until I tear into it. Next option is a hydro out of a JD116. 1" axles and the wheels wont fit without turning down the axles or changing the hubs... then we are back to the horizontal shaft engine and height wont matter. Gotta check the "warehouse"  I might have some wheels.

Thats why I come up with these stupid projects.. gotta use the good parts before they go bad. I had a SBC stick from sitting too long with the carb removed, lost my ass on that one






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