[Public-List] Steam bending Teak

[Mike Lehman]

This is from:
http://www.ehow.com/how-does_4762119_wood-bend.html
 
It is a 'start' to the answer of your question
Best Wood for Bending
Not all types of wood are appropriate for bending. Bending quality is reliant on the number of defects or weak spots in the wood, since they make wood more likely to split when bent. Cross-grain wood at places like knots, ring separations and the center of the tree makes bending failure more common, and wood with decay or existing breaks is not at all usable. Trees that produce the best wood for bending are usually hardwood, as softwood species tend to be difficult, and can be of both open-grain and closed-grain types. Popular woods include Oak, Ash, Walnut, Elm, Hickory, Black Locust, Beech, Maple, Birch, Cherry, Hackberry, Magnolia, Pecan, Sweetgum and Yellow Poplar. The quality of wood in these trees will vary with the location and individual tree. 


 
Mike Lehman 

 
><((((º>`·.¸¸.·´¯`·.¸><((((º>`·.¸¸.·´¯`·.¸><((((º>
 
 






 
> Date: Wed, 27 Jan 2010 16:16:16 +0000
> From: crufone at comcast.net
> To: public-list at lists.alberg30.org
> Subject: Re: [Public-List] Steam bending Teak
> 
> 
> 
> Bob, 
> 
> I can not provide you with a reference. I was making that comment based on experience and discussion with others. I purchased teak to replace the guards on a Dyer Dinghy. The net result of which was that I had Dyer themselves steam bend Oak for the replacement guards. I think that it really depends on the size and the cross sectional shape of the member to be bent. Dyer has had 60 years experience building dinghies and has tried several different woods for the guards.  They have settled on Oak and Mahogany. 
> 
> I would think that the cell structure and resin content of the wood species would dictate which species is less or more likely to respond to steam bending and then retain the bent shape without splintering on the outside surface. 
> 
> I purchased a 19th century Scythe at a flea market just because of the wonderful sculptural design of the bent Ash frame. It is amazing to me that a 1/1/2" diameter single piece of Ash could have been formed into such a shape. 
> 
> Michael #133 
> ----- Original Message ----- 
> From: "Janet Kirk" <isobar at verizon.net> 
> To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org> 
> Sent: Tuesday, January 26, 2010 6:24:24 PM GMT -05:00 US/Canada Eastern 
> Subject: Re: [Public-List] Steam bending Teak 
> 
> At 10:00 PM 1/25/2010, you wrote: 
> >Michael, 
> >Teak is much more difficult to steam and bend than Oak, Ash, or Hickory. 
> 
> 
> Being a woodworker, that's interesting. Can you point me to a reference on 
> different wood steaming charisterictics?... 
> 
> Bob Kirk 
> Isobar 181 
> 
> 
> 
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