first job It´s my first job as "designer" , I have fun creating the boat, I get payed what should I say.... perfect. If the owner will have...
Thanks a lot for your fast help !!! I think I can work now with the information from you all ! And again I´m very impressed of this forum. See...
again Hi again, I was only able to find construction rules for small vessels up to L = 6.0 m but nor for boats up to 8m or in my case to boat...
Hi again, I was only able to find construction rules for small vessels up to L = 6.0 m but nor for boats up to 8m or in my case to boat got...
Hi there, I work on a small motorboat design powered by an outboard motor , for a guy in germany. He likes to produce a small number of this...
Thanx a lot for your suggestion ! I will calculate some profiles with these angles. I also found a nice articel about keel design on the...
Hi there, I´m trying to design a keel for a sailing boat L=16m Displ. 14000 kg. sailarea 140 sqm . I started with the keel area as shown in...
Thanx for your hint Dim , I checked Vetus for the tunel thrusters. See you, Max
Hi there, I´m searching for a software to calculate keels and rudders. I saw a programm called wings in the net but wasn´t able to run the...
Hi there, we are refitting an old sailboat 18.6m long, displ. 27 tons with a long keel. We would like to install a bowthruster and found...
Thanks a lot for your feedback dionysis !!! I think you are right with the curve at the stem. The keel is not really shown at the drawing (...
Hi there, I will do some towing tank test with a 16m sailing boat for my exames at the univerisity in Hamburg. The main thing is to compare 3...
gaff rig I calculated a gaff rig with NBS rules backing up with old books like the dixen / kemp for an 12 meter racing yacht from 1909. So if...
Thanks for your help, i calculated the roof for a very quick period of douple amplitude of 12 sec / 60 ° because i think that the highest forces...
Hi there, I´m trying to calculate the dynamic forces on a sunroof/radarmast m=1.5t (a heavy one) caused by rolling and pitching of the boat....
Hi there, I´m a student of naval architecture and I´m searching for one of the "professional boatbuilder" CD`s wich contains all of their...
Think about the fuel cell, and about the fact, that most of the yachst and pleasure boats stay at the harbour for the hole week. If you manage to...
Hi there, does anybody know a free libery specialized in boat eqipment in the net , wich contains 3D items like hatches,blocks,winches etc. ?...
Thanks you very much for your replies ! The point is that the guy who asked me to develop a boat for him, will sail mostly in germany and denmark...
Hi there, I will do some towing tank tests with a model of a Sailingboat . (L=16 m) I want to compare three keel configurations. A "racing-keel"...