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#1
15-04-14, 00:46
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...... and 10.50x16 directional Chevron pattern manufactured by STA in the USA also on the Universal Tire site
Mike C 
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#2
15-04-14, 01:34
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I hear from one US DUKW owner that if you try to buy the 11.00 - 18s listed by Universal or Coker they don't in fact have any in stock.
Maybe they are just trying to gauge the interest? David
__________________
Hell no! I'm not that old!
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#3
15-04-14, 07:22
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11.00-18 x3
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#4
16-04-14, 14:29
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Seven tyres. Anyone want to go in together? I'd be keen for two.
Cheers, Matt Quote:
__________________
1942 International K5 3-ton truck ARN 43362 1940 Holden-bodied Chevrolet staff-car 1941 Holden-bodied Chevrolet staff car
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#5
03-05-14, 23:08
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Please pardon my ignorance, but what is the difference between 10.50-18 tyres and 1100-18 tyres? The decimal point and number of digits has confused me. I'm still very much a neophyte at all this!
Cheers, Matt
__________________
1942 International K5 3-ton truck ARN 43362 1940 Holden-bodied Chevrolet staff-car 1941 Holden-bodied Chevrolet staff car
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#6
04-05-14, 07:25
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Strictly speaking the decimal point should be present when written, but we often drop it like we do in speech. Same thing happens with gun calibre, eg. 303, 350, 762, etc.
10.50 and 11.00 are so close as to be considered the same, eg. 10.50 x 20 and 11.00 x 20 were both CMP spec.
__________________
One of the original Australian CMP hunters.
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#7
09-05-14, 00:04
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To explain a little further. The first group of numbers i.e. 10.50 refers to the nominal width of the tyre in inches. In this case ten and a half.
Around WW2 this would also give a good idea of the height of the tyre as most of them seem to have a 100 percent aspect ratio. By that I mean the distance from the inner diameter of the bead to the tread surface would also be close to ten and a half inches. None of this relates to the rim width which would probably be around seven inches across the inside of the flanges. The second group of numbers relate to wheel diameter. A 10.50-18 tyre would go on an eighteen inch wheel so the hole in the middle of the tyre would be 18 inches across. By this reckoning a 7.50-20 tyre would be about 35 inches in overall diameter. 7.5"+20"+7.5"=35" and this works out pretty close although there is some variation between brands. Some makers back then actually gave the tyre outside diameter as part of its identity i.e. 7x34 although that wasn't general practise and fell by the wayside. David The foregoing is only my observation and open to correction or addition.
__________________
Hell no! I'm not that old! Last edited by motto; 09-05-14 at 00:13.
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#8
15-04-14, 08:42
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Quote:
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