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Old 06-03-2008, 09:33 PM   #1
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Default lockers anyone?

just wondering if anyone runs lockers and how they like them.
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Old 06-03-2008, 09:43 PM   #2
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just wondering if anyone runs lockers and how they like them.
I used to use one in high school to keep my books in.
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Old 06-03-2008, 09:47 PM   #3
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Pretty hard to drive with usually...
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Old 06-03-2008, 10:40 PM   #4
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If you have it in the front, it makes the car incredibly easy to drive. However you would lose so much steering and it would be so slow you wouldnt have it in there for long.
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Old 06-04-2008, 02:21 AM   #5
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I don't even know what a locker is.
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Old 06-04-2008, 06:58 AM   #6
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isn't that a rock crawling question?
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Old 06-04-2008, 07:53 AM   #7
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Ermmm... locker? What is that?
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Old 06-04-2008, 08:07 AM   #8
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well there are two types of lockers. you have the kinda i stuffed you in back in middle school, or the kind that actual work on trucks.

there is really one perpose to a locker: thats to lock the axles together so that they rotate at the same speed. lets say you make a right hand turn, on a normal vehicle the driverside tire will rotate alot slower than the inside tire making it easy to turn. now if there was a locker in the rear end and you make that same right hand turn, the truck will want to push its way through the turn. Both the inside and outside tires will be rotating at the smae speed.

Now if you have it in the front, it is essentially the same concept but when you turn it wont turn as easy and it too will want to push through a turn.

In a straight line the are killer because you are getting the slipping from the axles when theres not a locker in it. they are best used for rock crawling, playing in the snow, mud. really anything that is sooo lose that you might get stuck in you would want a locker(diff spools when it comes to R/C cars).

they are a pain in the but to install. but if you are looking for some great straight line drag racing with your truck then i would get them but if your just bashing around they can become troublesome.

thats my knowledge on them.

Good Luck
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Old 06-04-2008, 08:09 AM   #9
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Quote:
Originally Posted by TeeKuang View Post
Ermmm... locker? What is that?
Yeah I'm a little confused too, I only know of a locker as being either a gear diff that can be locked into a spool on-the-fly (which as far as I know doesn't exist in the R/C industry), or the Detroit Locker rear gear like what's used in NASCAR on short tracks, where the axle is normally a spool until the force of cornering on the left tire disengages the half-shaft, moving all the drive to the right tire helping the car corner. Again, I don't think such a device is available in R/C.

I did try using a slip-spool in my RC10GT2, i.e., I removed all the outdrive balls and locked down the diff screw, basically making the whole diff into a slipper clutch. It'll act like a spool until enough force is applied to it to get it to slip. Straight-line stability got MUCH better, but in low speed corners it pushed like a dump truck. Might work well on a large high-speed track or for dirt oval.
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Old 06-04-2008, 04:22 PM   #10
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I know someone was making a locking diff for touring cars years ago. Off power it was a standard gear diff but when you hit the gas it would lock up. Haven't seen any others like that. A spool would be no diff at all, just locked in straight drive like the rear of 1/8th onroad cars.
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Old 06-04-2008, 07:51 PM   #11
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The Kyosho TCD was somewhat a locking style diff. It would stiffen on power and loosen off power.
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Old 06-04-2008, 09:34 PM   #12
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You would be better off with a Torsen diff.
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