Originally posted by rlt55
I did the firewall and fuel tank compartment on my LT-40 ARF with cheap Bondo Epoxy (from the local Autozone store).
After mixing up a sample and painting some wood with it, I could see there was no need to thin it out.
It came out fine and cleans up real well after flying.
Rich<>
This may be a dumb question, but is that stuff fuel-proof?