Adding weight to the windward side allows the crew to drive the boat harder due to the available rm increase. It is a race therefore they will....
Um, Putting ballast in the windward hull leads to greater available righting moment at the point of flying hulls, which is generally where multi's...
Trouty, Its probably too complicated to explain here, but perhaps you need a book that will help you. I have a book called "Teach yourself...
Trouty, Firstly, this is an Australian boat under Australian Survey. You should be looking at the USL code Section 8 for the required criteria....
Sorry, I don't have a stock plan for you. If you are serious about a custom design, perhaps I can assist. Located East Coast in Oz. PM me...
Will, Why not write your own. Since you are in Oz, get ahold of AS 4132.1 and AS 4312.3 for FRP stuff and go for it. For aluminium you need...
ATLAS Tanks Molooloba Qld.
This is what you want.
For John Lund Marine Design Try http://www.navalarchitect.com.au/
Perhaps I can help. I have a 7.5m sportsboat design, which may interest you. Built as an E-Glass foam/balsa using CNC cut jigs and plugs, it...
Crowie, sorry, I haven't replied. Busy times. A typical RIB in the 6-7m range has a tube diameter of 500mm upwards. Putting that into a...
Bet he also has a brother called brett...
CT249. this guys name isn't "ash" by any chance?
I assume that you are thinking about joining the two at the chine? Could be problematic since this is a critical area that is subjected to plenty...
Cian Groves? Now where have I heard that name? Been a while.
Peter, My first suggestion to people wanting a boat in this size is to look at the second hand market as you may well get want you want for a...
Doug, This conversation is going nowhere. I presented the numbers to show that a canted keel could provide similar additional righting moments to...
Doug. Can you please highlight the relevant sections in the first post saying that traps are out and canting keels are in? I do see a part about...
Doug, What Customer? Have you taken a deposit for something? Perhaps you want to share some drawings/numbers of your design? The numbers I...
Principal Particulars LOA 5.5m Beam OA 2.2 Beam WL 1.3 (Approx) Lightship (Unballasted) 200 kg 0.4m above base 100 kgBulb 1.5m below base...