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Posted: Tue Jul 02, 2013 3:52 pm
by dgale
johnheyd wrote:I remember in high school shop a lot of guys were making toboggans out of oak and they heated the ends of wood slats in boiling water for a period of time, then put then in a jig were they bent them. After then cooled they held that shape. So my thought is perhaps if you have an old turkey fryer, try boiling a redwood plank for about four hours - then clamp it into a jig to form the shape - let it cool and I'll bet you would have a curved form.
Wow - interesting thought. When I lived up in Port Townsend WA about 20+ years ago, there was a wooden boat building school up there and they had big wood steamers that you could put long boards into and then after steaming, bend and contort into the desired shape - obviously overkill for this project but your idea reminded me of that. I'll havew to ponder how to make the jig but I like your idea and there's really not much to lose in giving it a try.

Posted: Tue Jul 02, 2013 7:03 pm
by danscot
I'll havew to ponder how to make the jig but I like your idea and there's really not much to lose in giving it a try.
I wonder if a heavy gauge plastic drain pipe would give you the desired inside radius for this?

Posted: Tue Jul 02, 2013 7:24 pm
by dgale
danscot wrote:I wonder if a heavy gauge plastic drain pipe would give you the desired inside radius for this?
I was thinking the same thing - the correct diameter ABS or schedule 40 PVC, with ratcheting straps around it to bend the wood to that profile and clamp it until it dries...definitely worth a try. Fortunately around me finding some salvaged tight-grain clear redwood is fairly easy to do.

Posted: Tue Jul 02, 2013 7:35 pm
by JPG
Anyone paying attention to grain direction?:D

I can understand toboggan strip bending, but creating cupping?:confused:

Posted: Wed Jul 03, 2013 5:45 am
by lightnin
Perhaps a hexagonal shape... two sides glass four sides wood.
That's all flat sides just angles to worry about.
Or one side glass.. the side facing the ornithologist's kitchen window.