Re: catalina27-talk: Stay tension

Thu, 21 Jun 2007 02:44:49 -0700 

Mike,
Here they are, hopefully accurate this time. Last time I goofed the recopying. Of course, Loos Gauge Model A is used for the 5/32nds lowers, and Model B for the uppers and forsestay and back stay. 

Uppers:  Loos B 640
Aft lowers Loos A 350
Forward Lowers A 350

Forestay  Loos B 440 with backstay adjuster off.  750 with adjuster full on.

Backstay with adjuster off   Loos B 380


These are markedly tighter than the mean of the figures for the four 
boats, but still well under the highest settings used by one of the 
boats.  These settings give me no sag  in 20 kt and, if I remember 
correctly, in even more.



Depends on what wants, I guess.  John's setting is very loose, and his 
is the boat to beat in our races.  But some, as is obvious, prefer a 
tight rig.



The forestay and backstay settings are experimentally arrived at, and 
from measuring a couple of local boats:



I'm told that these figures vary according to what different sailmakers 
recommend.



I have the gauges and will be glad to go to any local boat that wants to 
use them.


Rudy B.
Phoenix, #2237
Pasadena, MD



Michael Munn wrote:


Rudy,

 
I'd like to see your revised numbers. 
 
Thanks for offering.
 
Mike

Katie Bay-B
Benicia, CA

"Rudolph S. Behar" <[EMAIL PROTECTED]> wrote:

    All,

    I recived this scale from this source a couple of years ago and
    used the median settings on my boat.  They were satisfactory up to
    15 knots and then started to show lee shroud sag.  I pumped up the
    tension to where I showed no sag beating  in 20Kt(whitecaps all
    over), but I don't remember the setting as I am here at the
    computer.  It's on the boat.  I'll get it if anyone wants it.

    And, yes, I promised photos of  my cabin trunk gear in place.  Today.

    Rudy B.

    Chris Maddox wrote:


Also at http://www.ariasails.com/c27rigtension.xls    Chris    -----Original Message-----    


From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>  Sent: Jun 20, 2007 10:22 AM  To: [email protected]  Subject: Re: catalina27-talk: Stay tension    Try this link for the spreadsheet, also in html format  http://users.vnet.net/nliner/c27/docs.html        ---------Included Message----------      


Date:

20-Jun-2007 09:18:40 -0400  From: "Lance Jones" <[EMAIL PROTECTED]>  Reply-To: <[email protected]>  To: <[email protected]>  Subject: Re: catalina27-talk: Stay tension    Thanks, however, there was no attachment.    Lance Jones  Cruising Captain, Barefoot Sailing Club  Catalina 27TR SN 5455 Gaelforce!  Capri 25 SN 411 Scottish Rebel! (AKA InstiGATOR)     ----- Original Message -----    From: [EMAIL PROTECTED]    To: [email protected]    Sent: Tuesday, June 19, 2007 11:51 PM   Subject: Re: catalina27-talk: Stay tension 
     Lance -     I am pretty sure that was put together by Carl Schaefer a few        


years back and ALL the boats on that list are racing boats and  they require mast rake from the adjustable backstay.      


I am very surprised that Hi Tide's tensions are as high as shown.     Please set up your boats (I assume by your title that you are        


setting the boats up to cruise) tighter than the attached.        


Chris D   toy box    eastport, md            ------------------------------------------------------------------------------   See what's free at AOL.com.           


---------End of Included Message----------    --           ~~|           /|\        Neil Liner           / ||\       1984 Catalina 27 TR         / C|| \      "Air Transit"        / 27||  \     #5711       /    ||   \   
Cornelius, NC      / 5711||    \   http://users.vnet.net/nliner     /______||_____)  [EMAIL PROTECTED]  ~~~(_____________/~~~~~~~~~~~~~~~~~~~~    //   /__/          


       

























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