The Craftmans Shop > Radio Control Models

Do we have any model boat builders on the forum ?

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millwright:
 :beer:well done Joules what great read really enjoyed it. thought i would just vhave a quick look and ended up reading it all. got the site bookmarked for another day. and a what a great build its looks a beauty.
the last boat i built was Vic Smeeds Suzie Q an off shore power boat running on a Rip Max bullet 30 and 16 sub c cells, for the first test i filled the bath held the boat steady and my son opened the throttle !!!!!!!!!!! ive never seen a bath empty as quick  :bugeye: fortunately i was able to clean it all up before it did any damage and before wife saw it. I sold it not long after to finance a new RC car without it ever getting wet again. shame really it was a nice boat. still have the plans somewhere just dont seem to get the time these days to build another.

John

Joules:
What happens, you get inspired, you dream a little and suddenly, a whole night has disappeared and up on the CAD screen is another drawing   :palm:



Ok, it was lust at first sight (again) and then the plans turned up for free.



Well enough of them to start lofting some curves, honest, that was all I was going to do.........   Nothing worth having comes FREE



But the curves generated from the above data proved horrible as can be seen in the white jagged lines indicating curvature, so I spent a bit longer tweaking them in 2 dimensions.



Mmmm the deck lines had hollows in them, well it won't take much longer, and a hot coffee will see me through.



Wasn't so bad, and I've not finished my coffee yet.



More duff curves !!!   Boy these guys really drew plans as guides, then relied on bendy bits of timber to bridge the gaps.  :scratch:



Some considerable time after the coffee had gone, I generated the 3D curves from the now much improved 2D curves.  OK, that's it even the dog is telling me to bugger off....



But, I couldn't leave it, I just had to know.....   With much fettling of surfaces and working out order of trimming overlapping parts I got the grail...   Watertight 3D model, I can 3D print a huge one or take frames off this model for accurate CNC routing, oh yeah as thats fixed I could waste more time calibrating it with bits of the above.

Rhino is actually, very good for boat and ship design, it is used commercially in those applications.  It has some very useful hydrostatic functions for calculating CG, waterline etc.  It's been a long time since I drew up a boat and was as much a challenge to see if I could remember how.   Don't think I forgot that much.

Oooh sun's up, better go to bed. 

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