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Old 12-12-2006, 06:04 PM   #1
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Kodiak Disks undersized?

I was reading Rich Luer's blog today, and read with interest that his trailer's Kodiak disk brake pads were history after 15,000 miles of travel.

While life expectancy was a bit on the shorter side of what I imagined, what really got me was when he talked about replacement parts. Those calipers and pads are the ones off of a Chevy Celebrety (sp)..... maybe a 3,800 pound car?

How is that adequate to stop a 7,500 pound trailer? Maybe the disks are larger and thicker, but the stopping is still done by the same size caliper and pad. Think of trying to stop a disk with just your index finger and your thumb..... you'd stop it faster by using all the fingers (and one more thumb if you have it ) of your hand, right? If more momentum (i.e. a larger weight being stopped) is used, it would take even longer to stop it, correct?

Are the Dexter's the same?
Marc
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Old 12-12-2006, 06:25 PM   #2
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hi marc

have you checked out the kodiak link...info on size is there....

Kodiak Trailer Components - Kodiak Offers Two Types of Rotors and Disc Brakes:

my understanding is there are 3 flavors of pads...organic, metallic and ceramic.

i've got the kodiaks too, but mine were factory equipment. rich and many others have dealer installed sets...

it is the same equipment however.

i've posted this info else where, but at 31k i was planning to replace my pads as well with ceramics...

i had been told many were expended at 5-10k...

the oems were removed and inspected by the mechanic and me..

only about 2 mm of wear. virtually none.
i couldn't tell any difference between them and the brand new ones in the box...no edge decay or cracking either...
keep in mind thats 31,000+miles and 5 crossing of the rockies.

they were darkened but that's it.

of course i've got 6 on my unit vs 4 on the 2 axle trailers...

and the triple axle trailers weigh from 8-11.5k while the shorter trailers are 6-10.5k on 2 axles...

so tires and brakes may wear faster on the smaller units...

and i spent a lot of time bedding in the rotors and pads and adjusting the controller...

it's a mistake to just take off and start using them (not saying rich did this)

the dexters are different so visit their website for details...

floating? and 4 piston as i recall? also they just had a recall on some of them as used by airstream...

so while richs were wafer thin at 15 k mine may go 50-60k...if i don't get antsy first...

cheers
2air'
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Old 12-12-2006, 07:11 PM   #3
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New brake pads need to be "cured" with gentle stops from 20, 30, 40, and 50 mph in order to fully bed in the linings. Rich's new pads are semi-metallic, a step up from the OEM pads, no Ceramic pads were available on a Saturday afternoon.
A Celebrity weighs about 3500 pounds, and the front brakes provide 70% of the stopping power. There are two sets on Rich's trailer, and it weighs about 7000 pounds. Pads like those on a car can be expected to last about 30,000 miles or so, depending on driving habits. They last 30,000 miles stopping 70% of 3500 pounds, not 50% of 7000 pounds, so they will wear faster. Rich's axle loading is 3500 pounds, and 2air's axle loading is just over 3800 pounds per axle. 2air has a more substantial tow vehicle, with larger brakes, and probably does more of the stopping than Rich's Armada.
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Old 12-12-2006, 07:31 PM   #4
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terry i agree and think my pads must be the semi metallic...

empty my unit is 8600 and right now i'm a very svelt 10,500 total...

i agree the superduty may have better stopping guts than the armada,
but with a haha it's really important not to let the trailer push any, and mine doesn't.

do we know yet what his unit weights? seems the hole scale thing would be a good story for a/life some issue...

cheers
2air'
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Old 12-12-2006, 11:35 PM   #5
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This is a very interesting thread. I had no idea that the expected life of pad was so short or that there were different varieties of pads, namely ceramic.
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Old 12-13-2006, 05:00 AM   #6
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Quote:
Originally Posted by Silvertwinkie
This is a very interesting thread. I had no idea that the expected life of pad was so short or that there were different varieties of pads, namely ceramic.
Ceramic pads have many things going for them, such as much longer life, better stopping power, less tendency to fade, and, very important for folks with aluminum wheels, very little brake dust.
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Old 12-13-2006, 05:03 AM   #7
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Quote:
Originally Posted by 2airishuman
do we know yet what his unit weights? seems the hole scale thing would be a good story for a/life some issue...

cheers
2air'
The article may make its way into the magazine, y'all may yet get to see my cheerful mug gracing the pages of rich's publication.
Since there was such a delay in getting back on the road, he didn't stop for a weigh-in on the way North, although it is on his list (still).
10.5K, eh? Last time I saw you, I didn't think you weighed a pound over 9800...
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Old 12-13-2006, 06:25 AM   #8
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Quote:
Originally Posted by overlander63
Ceramic pads have many things going for them, such as much longer life, better stopping power, less tendency to fade, and, very important for folks with aluminum wheels, very little brake dust.
How are the rotors holding up with the ceramic pads ? Some have said go with the cheaper pads and replace more often and save the rotors which are more expensive .
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Old 12-13-2006, 07:10 AM   #9
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Quote:
Originally Posted by ticki2
How are the rotors holding up with the ceramic pads ? Some have said go with the cheaper pads and replace more often and save the rotors which are more expensive .
Another great question.

One other one would be if these didn't tear up the rotors much sooner, would it make sense to have cermaics on a TV?
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Old 12-13-2006, 10:31 AM   #10
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I have had ceramics on my tow vehicle for over 50,000 miles. No undo rotor wear. BTW, the pads cost about double what an aftermarket rotor costs.
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Old 12-13-2006, 11:02 AM   #11
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My thoughts on the pads is, you are supposed to repack wheel bearing annually, or every 12,000 miles. If you travel a LOT, as do 2air, and Rich, the ceramic pads would be a better choice. If you don't, a set of pads for this system (the cheap pads) run about $12-$15 per axle. You can replace the cheap pads when repacking the wheel bearings. That amount of wear is comparable to the standard drum shoes, but the pads are less. No magnets to replace, no springs, etc.
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Old 12-13-2006, 01:03 PM   #12
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thanks jim for the longevity report on ceramic pads...

like tickl2 i wondered about rotor wear. apparently ceramics cause less than the semi metalic pads too.

as terry notes lots of good things like fade, more power and way less dust,

and making the pad choice based on how much one uses the trailer is wise, just like replacing low mileage tires based on time.

i'm a fan of upgrades done one at at time, IF unknown outcomes are an issue.

this time, put centramatics on and i'm still now sure they don't affect brake cooling, so first things first.

besides by next year when i really will need pads there may be some nifty slotted and drilled rotors and red calipers available too...

i am not a motorhead...much

cheers
2air'
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Old 12-13-2006, 01:40 PM   #13
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Quote:
Originally Posted by 2airishuman
this time, put centramatics on and i'm still now sure they don't affect brake cooling, so first things first.

i am not a motorhead...much

cheers
2air'
Rich's trailer has Centramatics, and I saw no evidence of rotor warpage, or hot spots on the rotors.
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Old 12-13-2006, 01:53 PM   #14
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Rich's trailer has Centramatics, and I saw no evidence of rotor warpage, or hot spots on the rotors.
yea but were they painted black?

mine are painted black

cheers
2air'
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