one wheel drive

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rish

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my go kart has 2 rear axles.. 1 for each wheel.. power is transmitted to 1 wheel only while other wheel has a bearing for it to rotate.. thing is i want my kart to be really light.. so i was thinking of cutting the axle on which power is transmitted and make it short... so there will a be a huge gap between my 2 rear axles.. is it right to cut the axle? does length of axle play any role?
 

mckutzy

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With out seeing pics of the machine in question, I cat really say for sure.

I would say(offhand) dont cut the axle as it might/probably contributes to the structure of the kart itself.
But... need pics!!!
 

Poboy kartman

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So what I'm thinking is he wants to remove the center of a dead axle kart. Please post pictures and fill out your profile so we know where you are from.
 

jandj

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Just my two cent's worth but unless you're going all out on reducing weight (which mean pretty much every componant, nut, bolt, and washer)I can't see where a piece of axle is going to make difference.
 

rish

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i intend to cut the right hand axle.. power is transmitted on th left axle as u can see the sprocket there.. i want to cut the axle between the 2 inner bearings.. is it safe to do so ? will it affect the control of the kart in any way
 

OzFab

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It should be fine to cut it off between the centre bearings but, I need to ask, why does it have a 2 piece axle to begin with?
 

rish

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2 different axles removes the need to use a differential and reduces the slipping during turns because the bearing in the non powered wheel adjusts the speed itself while turning.. there are commercialy produced vehicles using this principle.. this kart is made by me and not bought from somewhere
 

firemanjim

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Man, in my opinion, that was not a great idea. Your pic shows EXACTLY why.... your axes are not in the same plane/line, nor can you guaranty that they will stay in line once up n driving.... This is gonna cause rear tracking/abnormal tire wear issues. You would have been better suited to keep it a live axle and running a 1"id bearing on the "non drive" side ,so it just spins freely on the live axle......

Youre not saving but a pound or two AT MOST.... simply not worth the hassle . Even your typical one wheel peel yard kart has a tube going full length ,that the stub axles are welded to, to ensure everything is/stays square.....
 

rish

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they dont seem in line now beacuse i havent fixed the long axle.. u can see that second bearing from right is not bolted.. to keep them in line i have given 2 bearings per axle so that they remain in line while driving .. these are nt hollow axles and toogether they both weigh 6 kgs.
 

Poboy kartman

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That's what I was thinking and. more solid axle + 4 pillow blocks = more weight and less ridgid frame. Just wrong all the way around to do what a dead axle does.
 

firemanjim

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With all the steel you already have on there, I seriously dont see it saving that much weight. Why do you insist on saving a couple pounds, just to negate it by ADDING MORE weight with more bearings, locking collars, ect.....
A single axle, 2 bearings, sprocket/hub, and brake/hub..... Your way..... 2 (almot a whole)axles,4 bearings, sprocket/hub,brake/hub, 4 locking collars.....
I dont see the weight savings...... nor an advantage in any way. Am I/we missing something?
 

rish

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2 differen axle make a differential system...apart from saving weight that was the reason we used 2 axles.. this prevents the tyres from slipping during turns
 

ML-TOYS

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2 differen axle make a differential system...apart from saving weight that was the reason we used 2 axles.. this prevents the tyres from slipping during turns

having 2 seperate axles does not make it have a differential it just makes it one wheel drive.
a diff basically transfers the power to the wheel that has the least resistance when driving. your axles will not do that
 

Poboy kartman

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You know anytime something doesn't make sense to me- I kinda can't help but try to figure out why. I think that while maybe what Rish is doing doesn't make sense to us at first- maybe we haven't considered that while weight savings are a poor reason for what he's doing, perhaps he's just trying to make do with what he has.

Looking at it that way- he's probably going about it the simplest cheapest way. IF! He already had the parts- converting to a dead axle would mean new hubs, bearings...ect....
 

rish

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ml toys- i fully well know what a differential does and its working.. but maybe some ppl here are unaware that in one wheel drive the other wheel adjusts its speed itself on turns rather than slipping
poboy kartman-its not that i am poor.. its for a competition having a certain weight limit and points for lightest kart..
 

Poboy kartman

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ml toys- i fully well know what a differential does and its working.. but maybe some ppl here are unaware that in one wheel drive the other wheel adjusts its speed itself on turns rather than slipping
poboy kartman-its not that i am poor.. its for a competition having a certain weight limit and points for lightest kart..

Well then you should look into a traditional dead axle set-up....
 
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