Bendy 2

I'm considering using 8-inch diameter concrete forms at either end of my co ffee table base to which my bendy wood will be affixed. Those that I've se en online boast that they degrade over time. Can I assume degradation occur s due to weather and UV? Unless a tornado rips the roof off the den, we sho uld experience neither.
Any other gotchas I should consider ... or any other suitable and readily a vailable product?
Larry
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"Gramps' shop" wrote:
I'm considering using 8-inch diameter concrete forms at either end of my coffee table base to which my bendy wood will be affixed. Those that I've seen online boast that they degrade over time. Can I assume degradation occurs due to weather and UV? Unless a tornado rips the roof off the den, we should experience neither.
Any other gotchas I should consider ... or any other suitable and readily available product?
------------------------------------------------ Are you talking about son-o-tubes?
Lew
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Solotubes. If the Lowes product is basically the same (I believe it is) then there should be no worry about degrading over time. Years ago I took a telescope making class from a famous amateur astronomer, John Dobson, where the main tube was a piece of the same material. Today it is in like new condition. Those tubes are very strong.
I suspect the degradation over time that is mentioned is decay when kept in moist conditions.
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"Gramps' shop" wrote:
I'll use two or three at about 18 inches in height. I will wrap my bendy wood around an arc on each to stabilize the form of the base I am making. Will adhere wood to concrete form with appropriate adhesive (hoping TB II is appropriate). The base I am making will be about 45 inches in length by 8 inches in width by 20 inches high. It will be in the shape of an elipse. ---------------------------------------------- So what you are telling us is that you need an 8" dia mandrel.
Take a look at an 8", 10 ga, piece of PVC pipe.
It won't degrade like a son-o-tube, but will require epoxy to make the bond between bending ply and PVC.
Hit the PVC with some 24-36 grit sanding disks and you are good to go.
I used a piece of 8", 10 ga, PVC as the mandrel to lay-up a fiberglass tube for the bow thruster I was going to install.
Lew
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