> Determine the explosive characteristics of your epoxy mix (don't know them
> myself) and if they are low, hook up a generic old vacuum cleaner. I do
> abs moulding using nothing but my old Sanyo vacuum cleaner, and it does a
> dandy job of pulling down 3/8" thick abs to form motorcycle saddle
> bag lids.

> For little voids in wood, you could use a little hand pump with the tube
> set over the vent hole.

> You could even use a warm coke bottle, and let it cool.

The pumps we used we sort of big, but I'll try it on my next tape layup.