how about gluing the sides?
Or, for the deeper one, could you use "L" brackets under it, and then up 
the 1/4 inch back?
Large "L" brackets of a flat metal won't *be shelves but could support 
them.


On Sat, 17 Feb 2007, Max Robinson wrote:

> The weather profits are saying we should have a string of 50 degree days
> starting next week.  That means I will be able to get out to my shop and
> work on the radio desk.  A friend pointed out a potential problem with my
> design.  He says if the shelves sag under the weight of some of the
> equipment the ends of the shelves could pull out of the dados.  How can I
> secure the ends to the sides to ensure this won't happen.  All shelves have
> an unsupported span of 28 and a half inches.  One is nine inches deep and is
> likely to support as much as 20 pounds.  It can be supported along its
> length  at the back by fastening it to the one quarter inch back panel.  The
> other is 16 inches deep and is likely to support about the same weight.  The
> back panel will not extend to that shelf to allow for ventilation.  It will
> be supported only at the ends by the dados.  What are your thoughts on this.
> I built a workbench about 35 years ago and the upper level which was for
> holding test equipment was 6 feet long and one foot wide.  It was supported
> on 2 by 4s at the ends and along the back.  The front edge began to sag in
> the middle after about 20 years.  It supported about 40 pounds of stuff.  I
> don't want my radio desk to sag and come apart after a few years.
>
> Regards.
>
> Max.  K 4 O D S.
>
> Email: [EMAIL PROTECTED]
>
> Transistor site http://www.funwithtransistors.net
> Vacuum tube site: http://www.funwithtubes.net
> Music site: http://www.maxsmusicplace.com
>
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> [EMAIL PROTECTED]
>
>


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