design

3D model created with FreeCAD and based on North Korean Semi-submersible craft http://covertshores.blogspot.com/2010/06/north-korean-semi-submersible-craft.html

3D model created with FreeCAD and based on North Korean Semi-submersible craft http://covertshores.blogspot.com/2010/06/north-korean-semi-submersible-craft.html

3D model created with FreeCAD and based on North Korean Semi-submersible craft http://covertshores.blogspot.com/2010/06/north-korean-semi-submersible-craft.html

3D model created with FreeCAD and based on North Korean Semi-submersible craft http://covertshores.blogspot.com/2010/06/north-korean-semi-submersible-craft.html

This is an example of hull modelling with FreeCAD, The 3D model is based on the Higgins PT Boat (Patrol Torpedo), USS PT-564, All is design with many Workbench. Surfaces are made with Part Workbench and an external Workbench, Curve, that is very useful for freeform surfaces design.

Could you please explain me what is final loading manual for a ship? Class would like to check preliminary still water bending moment data. Though I have already specified the load distribution for different loadcases and shown calculation SF and BM using Maxsurf, why class is seeking for Final...

Hello, I did a POC to automatically generate hull shapes with freecad using Gene-Hull data. This is the alpha version (only one type of keel and rudder). The design is fully parametric (with Spreadsheet Workbench) and can generate all hull types calculated by Gene-Hull. Here are 3 examples...

Hi, i am a student at university of Athens. The assigned project is a bulk carrier with the following particulars: LBP=227 m , D=20.5 m , B=33.4 m , Cb=0.873 and DWT=85900 t. We are supposed to create the lines plan in Aveva, but i haven't any original to work with. Can anyone help me send the...

Hi, it's been a few days since I figured out how to use gCAD3D, an opensource CAD that allows you to create NUBRS surfaces by drawing or with the manual editor, I did some tests and I think it can be an alternative to create simple hulls, because it allows you to have an excellent precision in...

Hi, I have a query about ECR (Engine Control Room). Is it mandatory for a vessel? In a vessel I have an Engine Room and a Generator Room. The machinery will be controlled remotely from the Wheel House. Do I still need a separate control room? I would like to exclude the control room since two...

Hi, I've tried FreeCAD these days to create surfaces for hulls, and I have to admit that it has great features. For now I have created some surfaces starting from models in OBJ format, used for the generation of spline curves from the points generated by the mesh model that I created with...

Hello everyone, I'm interested in building a small inexpensive 12ft electric-powered catamaran with solar panels. It will be primarily for hotels and small boat rentals to provide an alternative to Hobie Cats and similar for people, who want to have fun on water and be ecofriendly, but don't...

wharram for river life

So here I am trying to optimize a hull shape for my company, and I get to use the amazing ORC VPP... Now... I am fairly new to this software and I am used to WUMTIA's Windesign4, but besides that, I could easily learn the whole UI and inputs in a couple of days, the nightmare comes when the VPP...

Hi everyone, I've been reading a lot about hull design and the number I have to keep control. According to "Principles of Yacht Design br L. Larsson and R. Eliasson", one of then is the prismatic coefficient. It's stated in the book that for every designed speed you have a optimal coefficient...

Hello Eveeryone, ive recently installed aveva marine in my desktop and I tried opening new drawing as said in the manual. When I selected the backing paper and clicked open, an error pops up saying "Failed to persist new drawing in the PADD database". could someone please help me out how to...

I'd like to introduce WingHopper.com to the BoatDesign community! WingHopper is a parametric wing design web app that allows anyone to create a beautiful, efficient, and accurate wing model. Initially I developed WingHopper for my naval architecture and hydrofoil design consulting, using it as...

I would like to preface this post by saying I have absolutely zero knowledge or experience with designing boats. Where should I go to learn more about how to design small monohull sailboats? Do any of you have suggestions on books or websites I should look at? I have a basic idea in terms of...

Hi Guys, I am beginning the build of a 20ft planning powercat, which is my design, boat hull designed in Maxsurf and finished in Rhino3D. This has been a dream of mine for a very long time and it is all coming together now, it is quite scary, stressful and exciting all at the same time. Boats...

Knud Reimers Power boat linesplan, modelled in Blender and imported in DELFTship LOA 22.088m Beam 4.985m Draft 1.407m Displacement 49.423 (tonnes)