Quote:
Originally Posted by s1900ahon
How thick is your foam?
What kind of foam? (Make, model)
Are you trying to do this in one pass? I ask this since I've found that doing wet layup in 2-3 steps is a much easier process (and less stressful). We have much less retained epoxy. Peel ply is now a good friend.
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On the most recent iteration we had a flat core (either 1/8th or 1/4th, don't know where we got it from) that we did one big lay up on. Not completely sure on the foam type, but it looks pretty similar to
http://www.aircraftspruce.com/catalo.../lastafoam.php. We then made ridges separately and epoxy'd them on after the first lay up. This worked fine but doing the ridges separately took a bit of work. We haven't gotten to the CNC'd foam core quite yet, but we plan on making it with 1" foam core. We haven't had any issue with doing it in one pass, and we don't really want to have to wait for multiple lay ups to dry.