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William R. Watt
 
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Default Looking for free boat plans...

I think there are some boatbuilders riding high horses. I thought all
designers ripped off other people's designs. That's what boat designers
do. Can anyone name anyone who has designed a boat with no research or
study of other people's boats? There are even books that recommend copying
sail plans and things from exsiting boats because there are no analytical
methods. Right here in this newsgroup not so long ago several people wrote
that I could not possibly figure out how much sail a boat could carry
mathematically because there were too many variables. I was told to copy.
By a boat designer or builder, I don't know which.

Also there are lots of free boats. I believe Wooden Boat magazien has a
section at the back devoted to free boats. Its unfortunagte that there are
many neglected boats but that's the nature of boat ownership. One does
not buy a recreational boat for any practical reason. They are bought to
enhance one's self image and when they don't, or they require work,
people become disatisfied with them and they become neglected. Enough end up
changing hands for free. Some of which are donated to charity.

"Chris" ) writes:
"Jim Conlin" wrote in message
...
I'm waiting for his thread "Looking for free epoxy". ;-)


Or "Looking for builders to build my boat for free.."




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Jacques Mertens
 
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Default Looking for free boat plans...

"William R. Watt" wrote in message
I thought all designers ripped off other people's designs.
That's what boat designers do.
Can anyone name anyone who has designed a boat with no research or
study of other people's boats?


I once walked in a major (and I mean major) designer's office while they
were working on the concept drawings of a new boat.
There were plans and pictures all over the place, they had graphs of data
about other boats and a list of desired features mostly referring to other
designs.
I would not trust a design that is not based on research and data compiled
from previous designs.
We have a library of hundreds of plans and spreadsheets full of data from
boats designed by others. I would not start a new design without studying in
detail what has been done before.
The novice will often think: "That design looks very much like a Bolger,
it's a copy . . " not knowing that Bolger got the idea from Sucher who
collected and analyzed data taken from boats he measured on the waterfront
and those boats themselves were the product of an evolution etc. etc.
The problem is the lack of knowledge of the neophyte.
The art of the designer is to pick all those features and blend them in an
harmonious new and original design. That assumes that he also understands
what works and doesn't.
There is much out there not worth copying, it usually comes from amateur
designers who did not do their homework. They try to be different not
knowing that it has been done and failed..
Their weird plans are like no others, they don't "copy".







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Brian Whatcott
 
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Default Looking for free boat plans...

On Mon, 15 Dec 2003 10:29:32 -0500, "Jacques Mertens"
wrote:

"William R. Watt" wrote in message
I thought all designers ripped off other people's designs.
That's what boat designers do.
Can anyone name anyone who has designed a boat with no research or
study of other people's boats?


I once walked in a major (and I mean major) designer's office while they
were working on the concept drawings of a new boat.
There were plans and pictures all over the place, they had graphs of data
about other boats and a list of desired features mostly referring to other
designs.
I would not trust a design that is not based on research and data compiled
from previous designs.///


At least one aircraft design handbook on my shelf lists dozens of
comparables for different light aircraft. Wing area? Tail moment?
Tail volume? Power to weight?

That's doesn't stop a designer placing the main wing aft - like
Vari-Viggen. But guess where that idea originated?
Not with the Viggen, for sure....

Brian W
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