Subject: [harryproa] Visionary steering loads
From: "rob_rassy" <techsmart@optusnet.com.au>
Date: 11/7/2012, 4:55 AM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 


Greetings all

I've been following the group with interest for a long time now and
haven't managed to motivate myself to join in! (probably didn't want to
show my lack of boating & sailing knowledge when I think about it). The
new website & the new Visionary Schooner are the inspiration for posting
a couple queries now

The rudders on the Vis Schooner appear to be bi-directional foils on the
lee hull. I am wondering how much tourque / load they will generate in
the steering as the pivot will need to be off center on a case if they
are to be liftable(or am I missing something). Maybe some leeward
canting of the rudder bottom would help balance them but I have trouble
picturing that working. I can actually see then getting a flutter up at
speed!

On viewing the video footage of Blind Date sailing the front steering
appears to be fairly heavy during some shunts. I'm wondering what the
reason for this might be and if it happens on the other Visionarys?

cheers

RobRassy

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