| Author |
Message |
Rufnit (66.156.101.194)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, February 22, 2003 - 5:57 am: | |
Could someone please post a link to a tire chart
(revs per mile)that has the "old" size desgination
say, 11x22.5 as well as the new metric #'s? I've looked at some tire manufacturing pages, but still haven't found that particular chart. Only matric now. |
Dave Wheat (24.197.182.248)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, February 22, 2003 - 11:49 am: | |
Searched Goggle.com for "non metric tire sizes" and came up with possible info for you.
Try www.teammiata.com/libs/tire-sidewall.htm
Dave Wheat |
Jeff Miller (205.217.70.77)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, February 22, 2003 - 1:11 pm: | |
go to http://truckus.webmichelin.com/ then products, then view all tires, then XZA2 or XZE or XZ2 (whatever tire) and then specifications or load and pressure, a pretty complete chart. |
Scott Whitney (66.82.9.35)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, February 22, 2003 - 1:22 pm: | |
If I am not mistaken, the revs./mile varies from mfr to mfr even for the same tire size. No? If so, you need to get the revs./mile from the specific mfr in question.
Scott |
jmaxwell (66.42.92.24)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, February 22, 2003 - 8:57 pm: | |
Hope I don't forget something here, but the rpm of a tire per mile is a function of the circumference (2xpixr). That divided into 5280' will yield the rpm that tire requires per mile. I don't know the metric specs, but a standard 11R-22.5 is 492/mile, I think that is predicated on 42" diameter. Now, if ure talking about the engine rpm/speed relationship, there are a whole lot of other factors involved besides the tire rpm. Also, for any given tire size, the diameter spec is not constant from mfg. to mfg. but generally is so close that it will have little effect on speed. As I recall, the difference from 11R22.5 to 12R24.5 is 7%, all others being somewhere in that span. Metrics tend to be smaller for a given equivelant due to the lower profile, so generally would require more rpm to cover the same mile. |
FAST FRED (209.26.115.205)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, February 23, 2003 - 9:58 am: | |
After you get the revs per mile from the tire mfg you select , you can go to this fine site and just plug in the numbers.
http://home1.gte.net/res07rfl/
If you have Da Book you can create a graph for each gear , and not have to bother with purchasing/installing/maintaining a Tachometer.
FAST FRED |