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Old 07-20-2006, 11:09 PM   #1
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Is the Titan tire a radial or biased? I know Titans as U.S. made. OUr 1959 Caravanner came with 205X75X15 Load C. They are 5 years old and I want radials. Then I would take the Marathons Load D off of our Globe Trotter and put them on the Caravanner. Then if the Titan's are radial, put the Load E on the GT

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Old 07-21-2006, 03:48 PM   #2
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My guess is both. I have a set of bias ply that are underrated for my boat trailer.


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Old 07-21-2006, 04:26 PM   #3
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Interesting that the Bias Metric tire is almost an inch taller than the "same size" metric radial:

For the 225/75 15 the bias ply is 29.2" in diameter and 8.6" wide
For the 225/75 15 radial tire it's only 28.4" in diameter but 8.8" wide.

The /75 is supposed to refer to the ratio of width vs height. For the radial it's pretty close to the stated 75%. The bias ply is more of an 80 series tire (82.6%).

Radial contruction lends itself to a low profile tire design. The bulge that's a signature feature of radial tires means the loaded radius will be even less than the same diameter bias ply. The Titan bias ply is considerably closer to the 7.00-15 that was original equipment on the older trailers.
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