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Robert Hall
Joined: 22 Aug 2012
Posts: 19
Location: United States, USA, Lansing
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 Posted: Thu Dec 13, 2012 10:24 am Post subject: Wanna go faster |
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| How about a differential for the axle? Why aren't we doing that? Seems it would be very beneficial. |
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John Mulvihill
Joined: 14 Oct 2001
Posts: 1143
Location: United States, New York,
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| Posted: Thu Dec 13, 2012 10:34 am Post subject: |
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Pretty consistently outlawed by most organizations.
They have been done over the years. The expense, complexity, failure rate, etc, etc, worked against then.
Also for a differential to be used efficiently, the chassis and rear brakes would have to be re-designed.
If you want to go faster, move up a class. If you want to go slower, buy a race car.
John
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Jim McMahon
Joined: 07 Apr 2007
Posts: 2685
Location: United States, St. Paul,
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| Posted: Thu Dec 13, 2012 10:42 am Post subject: |
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By the definition, its no longer a kart if you don't have a solid rear axle.
Wanna go faster? "Simplify and add lightness" as a wise man once said.
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John Matthews
Joined: 04 Dec 2004
Posts: 1992
Location: United States, Michigan, Williamsburg
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| Posted: Thu Dec 13, 2012 12:06 pm Post subject: Re: Wanna go faster |
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| Robert Hall wrote: | | How about a differential for the axle? Why aren't we doing that? Seems it would be very beneficial. |
Karts don't need differentials since your inside rear should be lifted when you're cornering effectively eliminating the "scrub" caused by the solid axle.
I do have a ratchet hub though if you want to try it, they're used in outlaw dirt oval racing to reduce stagger. Dirt karts should keep all four of their tires on the ground unless they have enough power to do wheelies 
Cheers,
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John Matthews
Heartbeat Power, LLC. |
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Bill Martin
Joined: 20 Jul 2001
Posts: 401
Location: United States, California, Escondido
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| Posted: Thu Dec 13, 2012 2:03 pm Post subject: Re: Wanna go faster |
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| John Matthews wrote: | | Robert Hall wrote: | | How about a differential for the axle? Why aren't we doing that? Seems it would be very beneficial. |
Karts don't need differentials since your inside rear should be lifted when you're cornering effectively eliminating the "scrub" caused by the solid axle.
I do have a ratchet hub though if you want to try it, they're used in outlaw dirt oval racing to reduce stagger. Dirt karts should keep all four of their tires on the ground unless they have enough power to do wheelies
Cheers, |
Isn't that kind of opposite of what you want to do? That would put the drive on the inside corner rear wheel, causing a tendency to push, I would think. Of course, I never did this, so take it for what it's worth!
Bill
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Bill Martin |
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John Matthews
Joined: 04 Dec 2004
Posts: 1992
Location: United States, Michigan, Williamsburg
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| Posted: Thu Dec 13, 2012 3:35 pm Post subject: Re: Wanna go faster |
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Yes it does change the handling quite a bit. It also eliminates one of the rear wheels from being able to brake so it's definitely for somebody that knows how to set it up.
What it does give you is much less drag down the straights since you can reduce or eliminate stagger.
| Bill Martin wrote: | | John Matthews wrote: | | Robert Hall wrote: | | How about a differential for the axle? Why aren't we doing that? Seems it would be very beneficial. |
Karts don't need differentials since your inside rear should be lifted when you're cornering effectively eliminating the "scrub" caused by the solid axle.
I do have a ratchet hub though if you want to try it, they're used in outlaw dirt oval racing to reduce stagger. Dirt karts should keep all four of their tires on the ground unless they have enough power to do wheelies
Cheers, |
Isn't that kind of opposite of what you want to do? That would put the drive on the inside corner rear wheel, causing a tendency to push, I would think. Of course, I never did this, so take it for what it's worth!
Bill |
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John Matthews
Heartbeat Power, LLC. |
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