Subject: Re:: Re: [harryproa] Concavity |
From: "mateo002@yahoo.ca [harryproa]" |
Date: 3/27/2015, 1:12 AM |
To: <harryproa@yahoogroups.com.au> |
Reply-to: harryproa@yahoogroups.com.au |
Rick,
ok thanks for the further illumination. After staring at the original pic longer I did start to see the slight indents. I guess the combination of concavities at both ends attaching to the bottom flat section has a net result of upward lift instead of downward drag. Very interesting.
Is it applicable to a 18m Harryproa?
Mateo
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