Arithmetic

MellowYellow

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Sep 10, 2017
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141
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Boones Creek TN
Just using round numbers for simplicity, if you have a 3/1 r&p and your tach is at 2000 @60 mph, if you change to 4.5/1 r&p would your tach read 3000 @60 mph? Does 50% more gear transfer directly to 50% more rpm with all other things being equal?
 
Just using round numbers for simplicity, if you have a 3/1 r&p and your tach is at 2000 @60 mph, if you change to 4.5/1 r&p would your tach read 3000 @60 mph? Does 50% more gear transfer directly to 50% more rpm with all other things being equal?
Works for me. 2000 / 3.07 x 4.56 = 2971
 
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