Re: [ATM] plans to build an adjustable observing chair - cheap!

[James Crombie <jamescrombie@jamescrombie.com>]

Gentlemen
The drawing are only meant as a guide for building the chair.  They 
represent the actual chair that I built but any amt'er should have no 
problem adjusting the plans to suit available material.  The use of 3/4" 
stock should not prose a problem as long as it is a good clear wood.  
Even pine for the mail body should be strong enough as long as there are 
no knots, but I would use a hardwood for the seat and back legs.  It 
could even be made of steel or alum if you have the equipment to handle it.
  As for finish, that is up to the individual, but I used an outdoor 
urethane finish over the red oak.
  My chair really has only two contact points with the ground and in the 
ten years of use I have not had any problem with ground contact 
balance.  I might point out that almost all of the commercial chairs are 
4 point contact  :-) 

James Crombie
http://www.jamescrombie.com



Bob May wrote:

>Sizes mentioned are usually the size that the wood is sold as.
>Thus a 1x2 is actually .75"x1.75" in size.  If you want actual
>size to be the 1x2 then you have to take some larger lumber and
>cut it down.  You can generally get hardwoods that are the real
>1" size but you have to order 1.25" lumber and then rip it to
>widty.
>Bob May
>bobmay at nethere.com
>http: slash /nav.to slash bobmay
>http: slash /bobmay dot astronomy.net
>Replace the obvious words with the proper character.
>
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