Date: Thu, 16 Jul 1998 17:50:02 -0400
From: Blaise M Holly 00 <holly@panther.middlebury.edu>
Message-Id: <199807162150.RAA51040@panther.middlebury.edu>
To: baidarka@lists.intelenet.net
Subject: Re: [baidarka] Gunwale height
>I have built baidarkas using white pine for gunwales (1.75")
and none of
>them has broken, but I think white pine is less elastic than
some other
>woods and in time can take a set or warp more easily than
stiffer more
>elastic lumber species.
>
>An extra quarter inch (2" gunwale) should be sufficient since
stiffness
>goes up with the cube of the height - if you do the math, you
will find
>that adding a quarter inch will increase stiffness by 50%,
adding 1/8th
>inch will increase stiffness by 22%, so have at it.
>
>David Baranoski wrote:
>>
>> Greetings from a new list member!
>> In it he says to "...stay away
>> from some of the softer woods like white pine when choosing
gunwale
>> materials...if you do so with a softer wood...increase the
height of the
>> gunwales." Yikes! As I will be using the white pine, what do
you
>> recommend that I should increase the gunwale height to, over
that of the
>> original dimension of 1.750 inches, to maintain proper
stiffness?
>>
>> Regards,
>>
>> David Baranoski
>> Thorold, Ontario
>> Canada
>