Hello ... The Novacat 15 was the first boat to use this construction method in 1985. Based on this design, the Novacat 26 was introduced in...
Hi .. thanks for the reply and the thoughts. I already use the Dotan rudders on my 16. They work pretty well. The Paradox looks interesting....
Hi .. thanks for the description of my Novacat 16 project. About the negative bow. Of course, the decision was primarily based on aesthetic...
Hi Carlos, Thank you for your reply. I'll have a look at the information you provided and get back to you later.
Dear Robert, Thank you for your reply. I have already started on the approach you suggest. I have collected about 10 different plan views of...
Preliminary body plan view of a 14' boardless beachcat
Preliminary plan view of a 14' boardless beachcat
Hi .. it all depends on the size of the propeller. The torque of a propeller is related to the diameter with the power of FIVE. So, if the...
Hi Simon & Fredrik, the torque highly depends on the size of the propeller and if it is designed for high or low RPM. As you know from your...
Hello everyone, I am generally aware of the interaction of rudder, daggerboard, sails and the hull for balanced behaviour when sailing. If you...
Hi everyone, Thank you for your answers. I think I'm beginning to understand the subject. Let's assume that the boat is travelling in a...
Dear Alan, many thanks for your reply. I guess the statement with the very far forward position was a hypothetical assumption, but not practical...
Hi together, I came accross an interview about the daggerboard placement with Martin Fischer on catsailingnews.com, see F18 Convertible:...
Hi, nice work done here. I am also trying some things with FreeCAD at the moment. It would be great to have some looks into your FreeCAD files to...
Hi Alan, thanks for your comment and the visual comparision of the two sections. I actually compared over 30 different sections that visually...
A friend of mine sails the NACRA F16 MKI and drew me the cross-section of the daggerboards on an old broken one. It's extremely similar to the...
Hi Erwan .. thanks for your reply. I also looked more at a good L/D ratio at the operating points that I expect. I think I've decided on two...
Hi together .. many thanks for your comments and input. As Alan already wrote, very valuable. Thanks. These are very helpful for the later...
Hi together, thanks for your reply so far. But, as Erwan also wrote, these are more related to the later planform design of the daggerboards. I...
Hi together, for my self-built 16 foot beach cat I would like to design proper daggerboards. In various threads it is written that it is best...