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Re: speed diff from 18.4 38 to 18.4 42
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Posted by JDK on May 01, 2004 at 19:02:43 from (64.91.84.68):
In Reply to: speed diff from 18.4 38 to 18.4 42 posted by Hagan on April 30, 2004 at 19:13:25:
dunno if this helps,but the 42s are appx 11 inches bigger in diameter,so will there for travel 11 inches more per revolution so in one mile they(38s)revolve appx 531 times.The 42s will only turn appx 480 turns in that same mile and will take you an extra 561 feet in 531 total turns
or"roughly 1/10 or 10% further.NOW,if my math is right,(which is iffy) the 42s would be pushing you 10% faster also,so 10mph,would become 11mph,20 would become 22 etc.(Maybe)
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