> Why was the sock ineffective? <

I use an ATN sock much of the time on Calypso.  I sometimes single-hand, often 
race doublehanded, and my idea of fully crewed is 4 to 5 POB.  Often the crew 
is inexperienced as Calypso's co-owner and I will invite almost anybody out 
sailing if they say "I've always wanted to go sailing". (I typically respond by 
looking at my watch and saying: What are you doing Saturday at 8am?)

Calypso's spinnaker is around 1800 sq ft.  When short handed the ATN sock 
allows a margin of safety and ability to recover from sail handling SNAFUs.  
The safety bit has also to do with the ability to recover a MOB or similar 
issue with the spinnaker up.  We also use a Harken roller furler for the 
headsail.

When racing I am referring to "club" level (AKA slow pitch, old fart class, 
Cruiser/Racer etc.).  We avoid sausage type buoy courses preferring to sail 
longer legs with a mix of upwind, downwind and reaches.

The ATN sock and Harken roller furler combo requires a modification of the 
normal set and douse process at each mark rounding.  On Calypso, the spinny 
hal'yd will wrap in the Harken furler swivel if it is not well clear.  At the 
windward mark the cockpit crew will roll up the headsail as we round.  The pole 
and spinny are rigged but still on deck. I position the pole as soon as the 
headsail is clear then hoist the spinny (in the sock).  Once I secure the 
hal'yd I double check that the sock is not twisted (ATN puts a dark color over 
the control line sleeve to make it easy to check).  When all is clear I signal 
to the cockpit to begin tensioning the sheet and afterguy while I pull the 
control line to raise the sock.

We dip pole gybe.  I move the sock control lines forward to keep them clear.  I 
bring them aft once it is clear how the leeward rounding will evolve.

At the leeward mark the sock often allows us to carry the spinny closer to the 
mark than other short handed boats.  The spinny will douse quickly under most 
conditions but avoid reaching unless the wind is very light.  About 2 boat 
lengths out I will call for the sheet/guy to be eased/released, I pull down the 
sock, and drop the sock/sail on deck being careful to avoid trapping the 
headsail sheet.  Once I clear the spinny hal'yd the headsail is rolled out even 
if the pole is still up (on the weather side).

So, ineffective compared to a non-sock set/douse with a competent crew? You 
bet.  Work great for short handed racing and cruising of a 43' boat? Yup.  
Great for deliveries, singlehanded sailing, and cruising with the family? Yes 
sir. Would I use it if I was serious about racing/winning in a competitive 
fully crewed fleet? Nope.

Martin
Calypso
1970 C&C 43
Seattle
________________________________
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Joel Aronson
Sent: Wednesday, February 13, 2013 6:39 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List Handicap Review

Tom,

WHy was the sock ineffective?  I'm thinking of getting one, mostly for cruising.
You are right.  There will likely be a penalty, but no one knows what it will 
be.  I suspect the longer the pole the greater the penalty.  I've done inside 
and outside gybes  without a pole.  The outside is easier unless you have  good 
crew.

Joel
35/3
Annapolis
Sent from my iPad

On Feb 13, 2013, at 9:32 PM, TOM VINCENT 
<tvince...@msn.com<mailto:tvince...@msn.com>> wrote:
Several weeks ago I asked a question on the forum and there were several 
responses, basically no one really knows the answer. My question was, what 
penalty would I incur by adding a bow sprit to my foredeck for flying the 
asymmetrical spinnaker. I had purchased a Forespar sprit at the Annapolis Boat 
show with plans on installing it this spring. I race on the Bohemia River which 
is on the upper end of the Chesapeake Bay. We use the PHRF of the Chesapeake 
Bay as our guideline for our Wednesday night races. I have been racing the C&C 
36' cb for 5 years and have won the series 2 times and my worst finish overall 
was a 3rd for the season. We have 15 boats in the fleet and have an average of 
10 boats racing. I am the big boat of the fleet with a rating of 147 non 
spinnaker and 127 with spinnaker. I was using the ATN sock for two years and 
then purchased a bag as a turtle with better results. We have learned how to 
gybe the shoot with a degree of success with practice. The sprit should make it 
much easier to gybe, as I understand I can do an inside gybe with the sprit. 
The assym has a girth of 180% and a sail area of 1090, it is one big red sail. 
When we are on a broad reach the boat takes off, down wind we sail off about 20 
degrees and gybe. I hope this info helps a few members.

Tom Vincent
Frolic II
Chesapeake City, MD
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