[C38] Listserve Digest, Vol 3, Issue 66

[Alden Andre]

Cliff, you're more than welcome to come out on FLYBYE on Thursday night
racing with us and see how we trim the main. The main difference though is I
have a strait traveler and a loose footed full batten main. You also need to
pick up the bimini from me you wanted. Being a Lee sail dealer as you is I
suggest you buy some new sails it will make a world of difference on your
boat. The new sails on FLYBYE made it a new boat we have sailed in 20-30
knots of wind even close hauled you don't get any weather helm. With the old
sails the boat had a lot of weather helm. On a last thought the size of the
head sail might be affecting the aerodynamics on the main are you using a
150 or a 135? I notice with the 150 you have to move the traveler over more
to keep the main full. With the 135 it is less. The reason I believe is the
inside of the headsail is creating high pressure as a wing does on the
bottom which would affect the mains shape.



Alden Andre
Vice Commadore 
Columbia River All Catalinal Association
C-38 #106 FLYBYE
503-929-8814


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Today's Topics:

   1. Traveller adjustment when close hauled (Charles)
   2. Re: Traveller adjustment when close hauled (Joseph Launie)
   3. Re: Traveller adjustment when close hauled (Les)


----------------------------------------------------------------------

Message: 1
Date: Tue, 03 Jul 2007 21:08:18 -0400
From: Charles <charles at finn.ws>
Subject: [C38] Traveller adjustment when close hauled
To: Catalina 38 Listserve <listserve at catalina38.org>
Message-ID: <468AF302.7020903 at finn.ws>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Note:  Cliff sent this to me and I am passing it on to the group for a 
great discussion!  cf

Cliff wrote:
Being the new owners of '83, #259 Catalina 38, our recent
sailing experiences have us pondering a question for other more
"experienced" 38 owners.  To trim the mainsail correctly to weather,
we have to travel it up well beyond center.  Is this a familiar
condition for other owners?

Cliff Hunter
Portland, OR



------------------------------

Message: 2
Date: Tue, 03 Jul 2007 18:19:15 -0800
From: Joseph Launie <jlaunie at cox.net>
Subject: Re: [C38] Traveller adjustment when close hauled
To: Catalina 38 Listserve <listserve at catalina38.org>
Message-ID: <468B03A3.90301 at cox.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Charles wrote:
> Note:  Cliff sent this to me and I am passing it on to the group for a 
> great discussion!  cf
>
> Cliff wrote:
> Being the new owners of '83, #259 Catalina 38, our recent
> sailing experiences have us pondering a question for other more
> "experienced" 38 owners.  To trim the mainsail correctly to weather,
> we have to travel it up well beyond center.  Is this a familiar
> condition for other owners?
>
> Cliff Hunter
> Portland, OR
>
> _______________________________________________
> Listserve mailing list
> Listserve at catalina38.org
> http://catalina38.org/mailman/listinfo/listserve_catalina38.org
>
>
>   
Cliff,
    Traveler setting when going to weather is crucial. We have raced 
Macavity for many years and have upgraded our traveler control lines for 
ease of trimming. We have the traveler itself marked with stick on 
numbers from 1 to 6 (or so, I forget) on each side. This way when you 
tack you can get the same setting. In light air, 10 knots or so, we 
usually have the traveler set at 1 to 1 1/2. As the wind comes up we 
have the traveler above the center as much as the helm will permit. As 
the wind comes up, pressure will build on the helm. You can relieve that 
pressure and sail the boat on its lines by dropping the traveler below 
the center line. Mr. Olin Stevens designed the boat to sail on its feet 
and it does best when you let it do that. Reducing sail when you first 
think of it is a good policy. Joe Launie, Commodore, Macavity Hull # 365



------------------------------

Message: 3
Date: Wed, 04 Jul 2007 02:51:40 -0700
From: Les <hlhowell at pacbell.net>
Subject: Re: [C38] Traveller adjustment when close hauled
To: Catalina 38 Listserve <listserve at catalina38.org>
Message-ID: <1183542700.5679.11.camel at localhost.localdomain>
Content-Type: text/plain

On our boats, the movement of the traveler will also allow the boom to
rise or be pulled down tight.  This is due to the difference in the arc
of the traveler vs the combined arcs of the sheet to the two tie downs
on the deck, and depends on how tight you have the vang set.  Also if
the sail is older, it will bag a bit more and require a higher boom
setting.  You have to remember that the wind the sail sees is the
apparent wind, so it can have good flow a bit higher on the boat than
just centerline.

	In sum, tightening the vang, tightening the sheet, and then trimming
the vang will allow you to get a flatter shape, and handle more wind
with less drive.  To feed or fill the sail more, loose the vang, and
slack the sheet then pull the traveler above centerline.  On JACE,
having the vang moderate, the sheet fairly tight (about 30 pounds torque
on the winch handle) and the traveler at about 8" above centerline is
good for 8-10 knots of wind.  I have a flat cut main with no shelf
(custom for me).  If you have a standard main, you will want to haul out
on the outhaul to flatten the foot of the sail, until the shelf is
closed.  At least that is my experience.  I am not a racer, but I get a
fair turn of speed out of JACE in this manner.  One of the racers can
give you finer points on trim if that is your bent.

	We have also found that in less than 6 or so knots wind, that
furling
the jib a bit, to reduce the droop will actually give us a bit more
speed upwind or any point forward of the beam.  As the wind moves aft,
we can use more of the jib until it is less than two points off the
stern, then again, furling a bit will prevent slap and droop somewhat
and yield a bit higher average speed.
  In really light air downwind, a whisker pole will help to prevent slap
and give you more reliable drive, but we are not picky, so never use
one.

	Just my opinion.
Regards,
Les Howell

On Tue, 2007-07-03 at 21:08 -0400, Charles wrote:
> Note:  Cliff sent this to me and I am passing it on to the group for a 
> great discussion!  cf
> 
> Cliff wrote:
> Being the new owners of '83, #259 Catalina 38, our recent
> sailing experiences have us pondering a question for other more
> "experienced" 38 owners.  To trim the mainsail correctly to weather,
> we have to travel it up well beyond center.  Is this a familiar
> condition for other owners?
> 
> Cliff Hunter
> Portland, OR
> 
> _______________________________________________
> Listserve mailing list
> Listserve at catalina38.org
> http://catalina38.org/mailman/listinfo/listserve_catalina38.org




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