[Alberg30] tunning, shroud tension

[Brian and Elaine Timmins]

Check members list, May 1 (digest of May 2), 2001
Topic.... "Alberg 30 Tensions"
I used this as a guideline when tuning my boat this past season. It worked
VERY WELL!!!
I ended up 1st in class under PHRF in my club. Also had highest point count
of the entire fleet. Admittedly we're a small group of freindly racers, not
grand prix.
Regards,
Brian    #497
----- Original Message -----
From: <JPGrathwol at aol.com>
To: <member-list at alberg30.org>
Cc: <public-list at alberg30.org>
Sent: Wednesday, December 26, 2001 5:37 PM
Subject: [Alberg30] tunning, shroud tension


> In the two summers I have sailed my A30 I have focused on things other
than tuning and shroud tension.  I have sailed with a straight up mast,
"tight" uppers and slightly "looser" lowers.  I am speaking "loosely" of
course.  I have managed to maintain a helm that is nicely balanced when even
heeled and turns strongly to windward when healing angle is increased.  And
I am naturally happy with these results.
>
> Sometimes when sailing to windward I feel I am not performing as well as I
should, not pointing as high nor making the speed I should.  My main sail
seems very full also, too full--slot choking full, as if it were cut for a
mast with some fore aft pre-bend tuned into it.  Sailing with a relatively
less experienced crew (my wife) and without another A30 as a pace boat, it
has been difficult to answer my own performance questions.  (My sails aren't
brand new nor are they blown out--at least from a non-top-of-the-fleet
racing point of view).
>
> What I'd like to know is whether a straight mast is the standard.  Or is
it common for A30s to tune the mast with a small 4"-6" fore-aft prebend in
it, as I often see in other keelboats.  Second what range of tensions are
common among racers and cruisers. I don't have, nor do I plan to get soon,
an adjustable backstay.  If anyone has any thoughts to offer on these
questions I'd appreciate it. (Also I have an older boat, #88, and have
already had my mast beam reinforced.  While I'm not looking to drive the
mast down through the deck, I don't think planning my sailing around a
weakness that can be repaired if it reappears is this way to go either.)
>
> I think I saw some time back an informal survey complied by Mike Lehman of
various boat's shroud tension(s).  I can't find this anywhere in the
archive.  Does anyone remember when or where this information is archived?
Or Mike do you still have this info?  In a form that can be posted?
>
> Thanks
>
> John Grathwol
> Dovekei #88
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