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[RC] calculating mileage - Lynn White

I have this handy little mechanical wheel meter that I bought from a Soviet 
Army surplus catalogue for $15.  I run the thing over a loop on topographic map 
three times, take the average, and multiply by a factor depending on the relief 
on the map.  Lots of relief gets a 15% increase, rolling hills, 10%, and flat, 
5%.  I can calculate these mileages off my kitchen table while the weather is 
bad.  I’ve checked  some of these loops with an odometer on site and my error 
is about 0.1 mile per 10 miles or  1%.  Funny thing was when I got the ride 
feedback riders were complaining that the loops seemed WAY too long for the 
mileage given.  I just had to laugh at that one.


"Our enemies should know: we will never apologize for being free men."

-Geert Wilders

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