Canoecraft Offset Revisions

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Canoecraft Offset Revisions

Postby Patricks Dad » Wed Dec 23, 2015 9:23 pm

The link below shows several revisions from the numbers in Canoecraft. Please make note of them if you loft any of these designs.

http://web.archive.org/web/20121108113627/http://bearmountainboats.com/2012BACKUP-OLDSITE/canoestems.htm

Rob Roy 12' 11" Stems (page 45)
Bob's Special 15" Canoe Stem (page 47)
Ranger 15 Canoe Stem (page 51)
Freedom 17 Half-Breadths (page 56)
Hiawatha 15 Heights (page 48)
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Re: Canoecraft Offset Revisions

Postby alick burt » Sat May 06, 2017 3:00 pm

Hello Folks
It is seven years since I made my moulds and I have been using them to make canoes with no need to draw up fresh plans.
Recently I made some strips for a customer to make his own boat and he is in the process of drawing up his moulds.He came to see me for some more strips on Friday and asked if I could explain how to plot the stem moulds.

He is making a 15ft Bob's Special from the latest edition of Canoecraft.
we worked out the plotting of the points as shown on the link for revisions and I have sent him the revisions page so we now know the figures are right but....

It still leaves a large gap of unplotted curve from the last point plotted on the 18" line to where it joins the number 6 station.
Are we correct to assume that this is just to be drawn freehand? :thinking

Its a long time since I made my moulds :sleepy
Cheers
Alick
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Re: Canoecraft Offset Revisions

Postby Cruiser » Sun May 07, 2017 9:30 am

Hi Alick,

I did up my molds for the Freedom 17 from the table of offsets, which I think is what you are asking. I put up a detailed account here:

viewtopic.php?f=9&t=4658

Maybe there will be your answer in the post.



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Re: Canoecraft Offset Revisions

Postby alick burt » Mon May 15, 2017 9:58 am

Thanks Brian :applause
Its a good explanation I will pass the link on to Roger.
Many Thanks
Alick
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