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William R. Watt
 
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Default getting it on paper

stevej ) writes:
Funny, I was thinking that the only 15 ft boat
I can recall that has a cabin is a Potter.
Your comment about the free computer programs coincides
exactly with my experience. They almost work.


I've used 3 computer programs so far. My own free skiff program to get the
rocker and flare to put the stem heel and transom at the load waterline.
The free Blue Peter program to include the cabin in the table of offsets,
automatically adjust trim to balance the hull, and then compute the
hydrostatic numbers. The free Carlson program for the shapes of the
plywood hull panels. I'm certain that's easier than computing the numbers
and "unfolding" the plywood panels by hand, for me anyway. Did I mention
the programs are free?

I agree about the learning curve. None of the programs I've used is
particuallry well documented, the Carlson being the worst, in spite of
a helpful guide written by a user.

Still, none of the "pencil and paper" recommendations in this newsgroup
has recommended the purchase of an ERASER, a serious omission IMHO. I
suspect they also purchase a set of those plastic curves. I know I'd need
a set.

I was more interested in the path that your thinking might take during
the design process. Something like a flow chart. A graphic line with
stops along the way. If you can map that out, mabey copy or repeat
someone else's path, then you might get to where you want.


Yes, yes. Project managment. I have a copy of MS Project 98 which I
considered employing to illustrate a small boat design and contruction
project. But I don't think there would be much interest among amateur
boatbuilders making small boats, 'way too much overhead, 'way too much like
being at work. A simple "todo" list will do.
It's mostly for large complex projects. However to illustrate the steps in
designing and building a small boat, how some things can be done
simultaneously, and how much time you have to allow for the paint to dry,
it might be useful. I don't know engough about boatbuildign to illustrate
more than a very small project.

If you want to email me any of the scanned sketches, I'd be happy to
offer my 2cents.


I've rather rashly begun putting interim results on my webpage under
"Boats" and "15 foot sailboat". The text is full of errors and I just
re-wrote a whole section. Nothing more than a rough draft at this point.
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