Room for tires

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Room for tires

Postby Deryk the Pirate » Wed Jun 22, 2011 7:42 am

How much space should I keep between the tire and the sidewalls?
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Postby aggie79 » Wed Jun 22, 2011 9:15 am

That's almost like asking if CPES is good or not.

Opinions are all over the map. Some of the differences are due to what type of axle you have - torsion or leaf-sprung. With leaf springs, there is a chance for more camber of the wheel/tire, so you need more room. With a torsion axle, there is very little camber, so you can get away with less clearance. I have heard that as the rubber in torsion axles age, and with use, it can result in negative camber.

I have 3/4" between the sidewall and tire - I'm using a torsion axle - and that has worked fine (so far). My tires are extra-wide, and if camber comes into play, I can go to a less wide tire.

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Postby Deryk the Pirate » Wed Jun 22, 2011 9:32 am

Hey Tom, I have a leaf spring's on my longer axle, and was just wondering how close I can get without wearing out my standard HF 12" tires lol. I think Ive got about 2" right now.
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Postby madjack » Wed Jun 22, 2011 9:45 am

2"s is gobs and plenty...I use the "knuckle" rule...if you can push your hand, upto the knuckles between wall and tire, you should be golden..between 1-1.5"s.....
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Postby Mightydog » Wed Jun 22, 2011 11:11 am

madjack wrote:I use the "knuckle" rule..between 1-1.5"s.....


**whew**

I'm never going to get in a bare knuckle fight with you!
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Postby absolutsnwbrdr » Wed Jun 22, 2011 11:33 am

A knuckle?! :shock:
Mine may be a little close. :thinking:

My 3/4" sides sit against the outside face of the trailer frame rails, so my clearance is pretty tight. When I finished the trailer, I knew that it was close (~3/16") but when I went to repack the bearings this Spring, I realized that the one side has actually rubbed a little.

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The trailer saw well over 2k miles since its completion last Spring, and the tire doesn't show any wear on the sidewall so I'm just gonna keep on truckin.

I know... its not ideal, but so far so good.
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Postby Dale M. » Wed Jun 22, 2011 2:00 pm

I have 2 inches between bulge of tire and frame....

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Postby dh » Wed Jun 22, 2011 9:05 pm

absolutsnwbrdr wrote:A knuckle?! :shock:
Mine may be a little close. :thinking:

My 3/4" sides sit against the outside face of the trailer frame rails, so my clearance is pretty tight. When I finished the trailer, I knew that it was close (~3/16") but when I went to repack the bearings this Spring, I realized that the one side has actually rubbed a little.

Image

The trailer saw well over 2k miles since its completion last Spring, and the tire doesn't show any wear on the sidewall so I'm just gonna keep on truckin.

I know... its not ideal, but so far so good.
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