Baltic Birch plywood bookcase
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Baltic Birch plywood bookcase
Baltic Birch is a hardwood ply from Russia in the first place.
If it is true and only Birch it is tough. It all depends on what you put on it. I built 40+ book cases for this house and limited shelf length. Only on one shelf - that of paperbacks those are longer like you say - It is build out of 3/4" pine and is 46". It has been loaded with paperbacks and small books for 6 years. Not a bend. All of the others are 30" or less. We have just about 4000 books so books are our things. Kinda depends on what is put in them! We use 30" shelves for DVD's and Tapes. More than ample. Martin On 12/4/2010 2:45 PM, J. Clarke wrote: In .185.250, says... My son wants a no-frame bookcase 14" x 39.5" x 52.75" from either 5/8" 11 ply Baltic Birch Plywood or 3/4" 13 ply Baltic Birch Plywood. Will 5/8" really hold up? I have my doubts. Run the sagulator on ithttp://www.woodbin.com/calcs/sagulator.htm. You'll find that the shelves need some reinforcement--if they are attached to the back that should do it, if they're removable they need a reinforcing strip--you can play with the dimensions in the sagulator. Note that the sagulator doesn't list birch ply, just fir--use those numbers and you'll have good margins. |
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