Then in order to get my sale power can I use those value to be close to reality:
Black sail is the sail the way it...
Any help ?
Sorry my English is not that good
Does anyone know a sail power calculator that consider High roach.
When I use the calculator on WB-sails, when I enter P, I etc...the...
Tanks for your reply.
Would the commercial version of delftship make a good bridge between Maxsurf and Michelet. That may be the...
I'm investigating the resistance of a few hulls options for a 90 feet Sailing Cats.
1. Does Michelet analyse the underbody with the...
Is the orc VPP apply for Catamarans as well ?
Is there some kind of electric engine that are retractable like the bow thruster and could deliver 14 to 20 HP ?
Ok, what I don't understand is why the reef wind speed reduces when I add overall beam by reducing LBRC.
it's optimum at 2.2, but as soon as I...
Ok, so Carbon/Nomex sandwich could be reduce to 2.6 kgsm for the same steinght.
Is that right ?
Will it be the same shell thickness ?
Thanks for the great reply.
So for my preliminary weight calculation, I can rely on 3.8 Kgsm for Carbon/H80 sandwich and 5.6 kgsm for Glass/H80,...
When I had my parameters to the spreadsheet, the reefing wind speed is at 13 knots, is that a huge safety margin or I'm really...
Thanks again for the comments.
Rob, I planning to step a carbon wing mast with kevlar shouds.
What do you think would be the weight difference...
Thanks for your answer Eric,
So I understand that thickness can not be estimated, but weight and cost could ?
Is there a rule of thumb here for...
I'm designing preliminaries for a 50ft Racer/Cruiser Catamaran.
We're planning to build it out of Carbon Kevlar sandwich.
I like your project, very interesting.
Please keep me posted: yachtskipper(AT)gmail.com
I was searching for the Yacht designer Bible.
I see plenty of books, I would love to have the money and time to buy them all...
Hello, I was searching for the Yacht designer Bible.
I see plenty of books, I would love to have the money and time to buy them all and read them...
I'm still not efficient with CAD, I still draft by hand, I know understand MAXSURF as I find it quite user friendly, and the...
Hello, same problem, can anybody help ?