Search found 35 matches

by woodbuddha
Tue Jan 07, 2014 7:45 am
Forum: Help on using FreeCAD
Topic: Designing a Surfboard Fin
Replies: 105
Views: 34342

Re: Designing a Surfboard Fin

Thanks Mark and Jim. I really appreciate your assistance. I'll make a start and update this post with my progress.

TK
by woodbuddha
Tue Jan 07, 2014 4:45 am
Forum: Help on using FreeCAD
Topic: Designing a Surfboard Fin
Replies: 105
Views: 34342

Re: Designing a Surfboard Fin

Thanks Mark and understood. Do you have quick suggestions on the best way to get started, what features to use, etc? I've been looking through video and written tutorials and I can't seem to find much on this type of modelling. Any help would be appreciated.

TK
by woodbuddha
Mon Jan 06, 2014 9:00 pm
Forum: Help on using FreeCAD
Topic: Designing a Surfboard Fin
Replies: 105
Views: 34342

Re: Designing a Surfboard Fin

Hi Mark,

Yep. That looks like it.

TK
by woodbuddha
Mon Jan 06, 2014 10:38 am
Forum: Help on using FreeCAD
Topic: Designing a Surfboard Fin
Replies: 105
Views: 34342

Re: Designing a Surfboard Fin

Hi Mark, Thanks for the reply.I have FreeCAD 0.13 Rev 1828 installed on W7. The import airfoil feature is available and I have managed to import a NACA 0012 DAT file. I'm unsure as to how to "loft" the foil to the plan shape in the attached image and the thickness. Do you think this can be...
by woodbuddha
Mon Jan 06, 2014 2:52 am
Forum: Help on using FreeCAD
Topic: Designing a Surfboard Fin
Replies: 105
Views: 34342

Designing a Surfboard Fin

Hi Folks, I am wanting to design surfboard fins as 3D objects in FreeCAD for export to CFD systems for flow modelling and CNC machines for building models. The fins are similar to an aircraft wing. They have an outline (like a dorsal fin of a dolphin), a foil cross section (typically a symmetrical N...