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Old 08-26-2019, 12:07 PM
Papadaze Papadaze is offline
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Hi Everyone, I've been a guest for quite awhile so figured I'd introduce myself and my machine.
I'm a plumber from Ohio with pretty good mechanical skills and a 120v stick welder. I built a couple karts as a kid and when my old Murray riding mower blew the engine I started a new build. Using an old Briggs engine and a pulley clutch to drive the transaxle, I had a 30 mph shifter kart with snow plow attachment. That was 18 years ago & I've since upgraded to front & rear suspension and a polaris clutch & transmission. It does a great job plowing snow & its fun to ride, but I'd love to be able to spin the tires & do donuts. I'm thinking about moving the rear axle behind the transmission. Right now the engine and trans is right over the axle. I'm looking for some feedback, would the transfer of weight allow the wheels to spin? The kart is pretty quick and I'm sure getting close to 40mph now. I also plan on putting 18x9.5 turf tires on, its currently on 18x9.5 knobby tires. The bigger tires in the pics are 20x11 & I love those, but want a little more fun at takeoff.
Thanks!
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Old 08-26-2019, 09:56 PM
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Hellion Hellion is offline
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Hey man, those are pretty cool. Both have the engine in longitudinal orientation--that's unusual for us "purists" for certain.

I don't think anyone really sets out to spin tires or burn rubber; speed is nearly always the goal.
For that, you're going to need some low-end grunt and a low gear. I think a mid-engine design (engine in front of the rear axle) is going to help you and not hinder, though.
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Old 08-26-2019, 10:49 PM
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Very unique!
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Old 08-26-2019, 11:43 PM
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landuse landuse is offline
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To spin tyres you will need to gear differently. I don't think moving the engine will help you significantly.

Cool karts though!! Can you see over the "dash" on the mower kart? It looks like you sit real low.
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Old 08-27-2019, 12:47 PM
Papadaze Papadaze is offline
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Thanks for the replies! That is actually the same Kart just upgraded over the years. The engine is mounted to align with the drive of the Polaris trans and mower transaxle in the original design. I mounted the transaxle sideways to run a v belt from a 4in pulley clutch to a 2in drive pulley. I can easily see over the dash & hood plus it has working headlights.
Ill have to figure out my drive ratio, but the kart is so heavy it might not be worth messing with. I'll never burn rubber, but smaller tires might let me have a little more fun in the dirt.
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Old 08-27-2019, 12:57 PM
Papadaze Papadaze is offline
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Here's the Polaris right angle transmission during setup. The output was a shaft drive so i put on a sprocket to use a 520 chain to the axle.
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