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3100 feet rise over 11 miles - what is the average grade? nm(8 posts)

3100 feet rise over 11 miles - what is the average grade? nmclimbo
Oct 4, 2001 3:27 AM
nm
if a train left Chicago at 100mph, and another left Des Moines..DaveG
Oct 4, 2001 3:41 AM
Is this a quiz? I believe its 5.3% 3100/(11*5280)
Ditto. 5.3% nmLen J
Oct 4, 2001 3:51 AM
yes, and you won by about 10 minutes over Lenclimbo
Oct 4, 2001 4:57 AM
well done, I don't understand feet and miles, that's all.
I should have come to work earlier..........Len J
Oct 4, 2001 5:31 AM
LOL

Easy way to think about miles and feet (for me):

440 yards in a quarter mile X 4 quarters in a mile divided X 3 ft in a yard = 5,280 ft in a mile. From there it is easy.

Len

BTW I only remember the 440 yds/ qtr, everything else I need to calculate.
This is why the rest of the world changed to METRIC decades ago!Bikeman
Oct 4, 2001 9:27 PM
Exactly!Dutchy
Oct 4, 2001 9:45 PM
distance (in metres) div by gain (in metres). eg 250/4500 x 100 = 5.5%.

I'm glad we have use metric I would never have gotten through school with the imperial system :-)

CHEERS.
BTW I only remember 5280 ft in a mile and calculate nothing (nm)Not my real name
Oct 5, 2001 8:37 AM