Modern Buddy • Speedo slide rule

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Speedo slide rule

Posted: Tue Aug 06, 2019 7:04 pm

by buzzvert

Look into your heart. You know it to be true.

Posted: Tue Aug 06, 2019 8:24 pm

by Tazio

I just mentally add 10% to distance and speed which is close enough.

Posted: Tue Aug 06, 2019 11:55 pm

by wheelbender6

Ill stick with GPS.

Posted: Wed Aug 07, 2019 1:10 am

by k1dude

Ha! Truth!

I like it!