On Friday 04 March 2016 22:04:39 [email protected] wrote:

> What are you looking to do is this veneer or architectural size?  In
> either case you end up using many thin sections with slow setting glue
> bent around a form and clamped. Sometimes steam is used
>
Std construction for this item is out of solid 1" (dimensioned) mahogany, 
with however many pieces is needed to get the nominally 23" width, 44" 
long plus 1.125" thick, 3" wide, 23.5" long Mahogany breadboard ends.  
Both are end slotted for 1/4" splines, white ash in this case, whose 
grain runs with the main boards, splines about 2" wide with an inch 
buried in the main boards, and an inch buried in the edges of the 
breadboard ends, splines glued only at the center, with long screws in 
gaps in the spline to help pull it together, but just loose enough that 
the central boards can move with the seasons each side of center.

IOW, we are NOT bending it, we are trying to take the warp/bow/wind back 
out of it that occured literally before my eyes as I was cutting and 
biscuiting the main portion of the 3 lids. Out of 3 lids I made in 3 
days time due to lack of enough clamps while the glue was setting, one 
now has a 4.5" wind, one has about a 2" wind, and one is about an inch 
in the other direction, but its also bowed half an inch.  And I did try 
to alternate the grain lay before I ever picked up the biscuit jointer.

Does this help describe the problem?

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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