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Old January 24th 08, 01:41 PM posted to rec.aviation.homebuilt
Bertie the Bunyip[_22_]
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Default Wood Laminations and Springback

"Morgans" wrote in
:


"Bertie the Bunyip" wrote

Just did my first laminations a few months ago. They didn't spring at
all once they were glued up.


Just curious, to see how your experience stacks up with laminations I
have
done.

What was the minimum radius for your laminations, approximately?


hmm, good question. I haven't done the center section yet, which is laid up
according to a couple of arcs. Only the tips and they kind of spiral out. I
would guess a bit under a foot radius. I steamed them first, of course. I
just used some PVC drainpipe, made a couple of plywood plugs for th eends
and plugged a domestic steam cleaner into it for 20 minutes and they were
like spaghetti. I used Areodux for the glue and they were solid as rocks
when I took 'em out.
Since that was my first stab at laminating, I tried it with some scrap pine
I ripped up first.


Bertie