[Rhodes22-list] So about the centerboard

Thu Mar 19 14:18:51 EDT 2009

Mary Lou,

Better dust off some shelf space for all of your race trophies this year.

Ben

-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Mary Lou Troy
Sent: Thursday, March 19, 2009 13:14
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] So about the centerboard

Rob,
What John had to say about the position of a centerboard would apply 
to any board including the board known as the "diamond board". As 
near as I can tell, Stan's advice about the diamond board has to do 
with the shape of the critter. It is possible to lower it far enough 
(by moving the knot on the upper part of the pennant)so that the 
upper part of the board is exposed as it was in the pictures I posted 
earlier. In particular see the pictures at:
http://www.rhodes22.org/pipermail/rhodes22-list/attachments/20090318/7827499
4/attachment-0001.jpg
and at:
http://www.rhodes22.org/pipermail/rhodes22-list/attachments/20090318/4e535fe
6/attachment.jpg

If I read what Stan is saying, this upper part of the board is not an 
aerodynamic shape and will create excessive drag if exposed. Thus it 
is indeed possible to have the board "too far down". I suspect we've 
been sailing with the upper part of the board exposed for a long 
time. It will be interesting to see if we see any difference in 
performance. Of course we've also removed a number of layers of 
bottom paint and smoothed the surface some. I'm hoping for good things.

I'm sure we won't approach the performance of the earlier lighter 
weight boats and we still have that heavy motor on the stern.

Mary Lou

At 12:44 PM 3/19/2009, you wrote:
>So, if you have a center board, should it be fully lowered to be 
>most effective?  Sounds like the diamond board only should be 
>lowered part way.  How about a center board? - rob
>
>
>-----Original Message-----
>From: rhodes22-list-bounces at rhodes22.org 
>[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Caesar Paul
>Sent: Thursday, March 19, 2009 12:28 PM
>To: The Rhodes 22 Email List
>Subject: Re: [Rhodes22-list] So about the centerboard
>
>  BUT, I can kick his ass on any given
>day. :)  Rum Runner is just one fast boat. It must be da rum.
>
>Rummy,
>
>It must be the captain; rum is additional weight.
>
>Caesar
>
>--- On Thu, 3/19/09, R22RumRunner at aol.com <R22RumRunner at aol.com> wrote:
>
>
>From: R22RumRunner at aol.com <R22RumRunner at aol.com>
>Subject: Re: [Rhodes22-list] So about the centerboard
>To: rhodes22-list at rhodes22.org
>Date: Thursday, March 19, 2009, 6:30 AM
>
>
>Mary Lou,
>
>I have had enough experience handling and working on the diamond board to
>assure you, that is what you have. The old style board would come down much
>farther. Stan was able to lower the center of effort (weight) by 
>increasing it's
>mass and surface area all at the same time. As to whether or knot it works
as
>advertised is up for debate. Capt. Bob Keller and I have sailed side by
side
>with the same exact boat with the exception of the board difference. Since
>pointing ability and speed are dependent on so many factors, it is
impossible
>to  say one is better than the other. BUT, I can kick his ass on any given
>day. :)  Rum Runner is just one fast boat. It must be da rum.
>
>Rummy
>
>
>In a message dated 3/19/2009 8:52:46 A.M. Eastern Daylight Time,
>mtroy at atlanticbb.net writes:
>
>How  'bout that. Only took me 11 years to find out.
>
>Question is, I still  seem to recall a discussion on here though I
>couldn't find it in my  archives or in my very cursory search of the
>list archives that the  diamond board was a mid-90s option. Fretless
>is a 1991, recycled in 1998.  I don't think Stan did any work on the
>centerboard at that time other than  painting it and replacing the
>pennant. There is some previous owner work  on the centerboard trunk.
>Wonder if the centerboard is original to the  boat or a later
>replacement or........ ????
>
>Rummy, are you 100%  positive about the newer and more efficient part?
>
>Mary  Lou
>
>
>
>
>At 08:03 AM 3/19/2009, you wrote:
> >Mary  Lou,
> >Fretless is equipped with the newer more efficient diamond board.  100%
> >positive.
> >
> >Rummy
> >
> >
> >In a message  dated 3/18/2009 8:02:36 P.M. Eastern Daylight  Time,
> >mtroy at atlanticbb.net writes:
> >
> >So all  this  time I've been saying we have a conventional centerboard
on
> >Fretless  because she was built in 1991 and there was a  discussion here
at
> >some point  saying that the diamond boards  didn't start until the
> >mid-nineties. We've  never had the  centerboard out of the boat 
> because of an
> >unconventional seal  on  the centerboard cap. We decided that this year
we
> >would have the  yard  paint the bottom. We replaced the centerboard
pennant
> >while  the boat was up  in slings. I took these pictures. What do 
> you  think?
> >
> >
> >
> >Mary  Lou
> >
> >1991  R22  Fretless
> >
> >Rock Hall,  MD
> >
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