Quote:
Originally Posted by Grant Bowker
I haven't measured the two types of Canadian 16" rims to confirm actual size and shape but what you are saying ("The six-stud CMP wheel was used on 8-cwt trucks. It doesn’t have a different bead taper, it simply has a smaller diameter") is in conflict with the AEDB design record that states the rim for use with 9.25-16 tires has a 5 degree rim base taper and the rim for use with 9.00-16 and 10.50-16 tires has a 1-1/2 degree taper. The AEDB record doesn't give a diameter at the bead seat other than the nominal 16".
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Grant, thanks for correcting me in that the rim base taper differs between the 6-stud and 8-stud WD split rim. Good to see you quoting the AEDB Design Record, it is those primary sources which we need to refer to more often.
I made that remark as most people think
only the rim base taper is different, which isn't true - see Tony's remark below. A 3.5 degree difference in rim base taper would go unnoticed when fitting a tyre. A larger rim diameter does.
Quote:
Originally Posted by Tony Smith
It actually HAS BOTH.
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Thanks for clearing that up, Tony.
Hanno