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post #27 of Old 12-18-2012
Join Date: Feb 2012
Location: Silver Spring, MD
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Re: Heavy winds?

I had to get some numbers. I would not stand behind this "science", but I had to get this out of my system. I used this site Air Density Calculator to figure out air densities. I used this site Airplane Aircraft Wing Lift Design Equations Formulas Calculator - Force to calculate lift of a wing. I used 1.5 for Cl for a sail.

So the jib on my Sabre 28 would theoretically have 10% more lift in 45 degree 40% relative humidity air than it would have in 85 degree 60% humidity air. That was fun.
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