[Gil]

Originally Posted by Willja67

Gil thou king of everything that fills or gets sanded (or anyone else who knows). I am probably going to need to do some surface prep of the foam and add some wing root fillets so do you know a good light weight filler I can use on this foam?

Thanks in advance

Try Red Devil Lightweight Spackle. It's the electric foamies filler of choice...,

If not already a member of RC Groups I'd recommend it:

RCGroups.com: The ABCs of Radio Control - Aircraft, Boats, and Cars!

+Gil