>> What is the maximum wind speed for a 1/2 oz chute? <<

It depends...

I was part of a Transpac charter back in 1985.  We chartered a 52' custom light 
displacement fairly new boat.  Our race motto was "Drive it like its rented".

The 85 Transpac was a lighter air year and we used the boat's ½ oz chute a lot. 
 As the day heated up and the trade winds built the light disp. Boat would 
respond by accelerating and sailing fast enough to keep the apparent wind at 
the top of ½ oz sails range.  At some point each day we would decide it was 
time to change up and go directly to a 1.5 oz, each time amazed the ½ oz did 
not show that much stress from 20 TWS.

9 days into the race we crossed Merlin (70' ULDB) and we finished first in 
class B with only 6 or 7 class A boats in front of us.

So.. a light sail like a ½ or .6 can be effective and survive at higher TWS on 
a light displacement boat where a heavy displacement boat like Calypso 
(24,000lbs) would ruin it quickly with its resistance to acceleration.

On boats similar to C&C 43's and 39's I would change up to a 3/4 oz between 8 
and 10 knots TWS.

Martin
Calypso
1971 C&C 43
Seattle

-----Original Message-----
From: cnc-list-boun...@cnc-list.com [mailto:cnc-list-boun...@cnc-list.com] On 
Behalf Of Joel Aronson
Sent: Thursday, September 20, 2012 4:55 AM
To: cnc-list@cnc-list.com
Subject: Stus-List final spinnaker questions

2 questions:

What is the maximum wind speed for a 1/2 oz chute?
What is the ideal apparent wind angle on a downwind leg to get to the
leeward mark on a 35/3? 140 degrees 150 degrees 160 degrees?  Assuming
about a 10 knot wind and calm seas.

Joel
35/3
The Office
Annapolis
Sent from my iPad

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