Subject: Re: [harryproa] Rudder ventilation/ wing sail thickness
From: Dennis Cox
Date: 8/20/2010, 12:47 PM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 

Just looking through some of the videos surfed from that link, I found: 
http://www.youtube.com/watch?v=JbOr46fV4n0&feature=related
 
Since I'm hoping that MLM will actually plane and reduce its "square" low speed deficiencies... this one interested me.
 
Anyone, got any guesses... how fast the boat is going in this video? 
 
 


From: tsstproa <bitme1234@yahoo.com>
To: harryproa@yahoogroups.com.au
Sent: Fri, August 20, 2010 12:31:57 PM
Subject: [harryproa] Rudder ventilation/ wing sail thickness

 

Anyone seen this? Here are some center hung board both being down while sailing hung between two hulls on small center console.

Nice boat.

http://www.youtube.com/watch?v=ZggxS6ZrVOw&feature=related

My solid wing is 2% thickness 9.6% camber. Why go to 20% thickness for a 2.5 inches thick wing. Thin is fast.

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