Stus-List Re: Understanding Polars

2024-04-05 Thread Dreuge via CnC-List
Hi, Just for the fun of it, I entered the text of your email into ChatGPT4. You: I have a set of polars for my C 34+ (below), but I am unsure of how to interpret the downwind data. There is no information I have found on how the angles were determined. I am interested in best angles for

Stus-List Re: Understanding Polars

2024-04-05 Thread Dennis C. via CnC-List
Actually, 3 miles might be a bit short. Excuse the tech analysis but if one assumes you sail 0.5 miles from the rhumb line between the upwind and downwind marks and the arbitrary waypoint is only 3 miles away, then 0.5/3 is 0.1667 the sine of which equates to an angle of about 9.5 degrees. That

Stus-List Re: Understanding Polars

2024-04-05 Thread Dennis C. via CnC-List
Purely arbitrary. 3-5 miles would probably work. -- Dennis C. Touche' 35-1 #83 Mandeville, LA On Fri, Apr 5, 2024 at 4:33 PM Matthew Wolford via CnC-List < cnc-list@cnc-list.com> wrote: > Thanks, Dennis. How did you arrive at 10 miles. Sent from my iPhone > > > On Apr 5, 2024, at 5:31 PM,

Stus-List Re: Understanding Polars

2024-04-05 Thread Matthew Wolford via CnC-List
Thanks, Dennis. How did you arrive at 10 miles. Sent from my iPhone > On Apr 5, 2024, at 5:31 PM, Dennis C. via CnC-List > wrote: > >  > Personally, I think sailing to polars can be challenging. I prefer to use > VMG. VMG rules for windward/leeward race courses! Bear with me on this. >

Stus-List Re: Understanding Polars

2024-04-05 Thread Dennis C. via CnC-List
Personally, I think sailing to polars can be challenging. I prefer to use VMG. VMG rules for windward/leeward race courses! Bear with me on this. First, a couple of definitions used by Touche's Nexus instrument system. Velocity - speed and course VMG - velocity made good wind based. The

Stus-List Re: Understanding Polars

2024-04-05 Thread Bill Coleman via CnC-List
On Fri, Apr 5, 2024 at 2:44 PM Bill Coleman wrote: > I anguish over this nearly every race, and one thing I can tell you is > that whichever choice you decide, you will wish you did the other! > > Bill Coleman > Erie, PA > > > > On Fri, Apr 5, 2024 at 1:48 PM David Knecht via CnC-List < >

Stus-List Re: 36-1 Stuffing Box Access.

2024-04-05 Thread Richard Bush via CnC-List
Mike, I have 37 and I share your pain in getting to the stuffing box area; I went with the PYI and have been happy with it; there are other brands which seem to do well also; I just didn't want to crawl down in there on a frequent basis, and bit the bullet on the new shaft...; best of luck with

Stus-List Re: C

2024-04-05 Thread Glenn Henderson via CnC-List
I have a C 41 for sale, 6'06" draft On Thu, Apr 4, 2024 at 5:47 PM david coleman via CnC-List < cnc-list@cnc-list.com> wrote: > Let me know if you would be interested in c 43 landfallsw florida.draft > 5.5. > David > > On Thu, Apr 4, 2024, 4:51 PM sail51--- via CnC-List > wrote: > >> Hi >> >> I

Stus-List Re: C

2024-04-05 Thread sail51--- via CnC-List
David Thanks for the note ..  Made me realize my note was missing the second digit of the number,  C 41,   … which is the model I’m interested in, but appreciate your offer Thanks Bud  From: david coleman via CnC-List Date: Thursday, April 4, 2024 at 5:46 PMTo: Stus-List Cc: david coleman Subject: