[time-nuts] Thermal insulation choice?
Joe Gwinn
joegwinn at comcast.net
Fri Jan 6 20:41:55 UTC 2012
I wonder if Balsa wood would be suitable? Like polystyrene foam,
only stronger and easy to glue.
I think commercial OXCOs use polystyrene foam that's expanded to
shape, which is fine in production, but making the mold for one use
is not efficient. However, there are lots of expand-in-place
urethane foams available from building supply houses.
Joe Gwinn
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