RE: patching hole in plastic fuel tank?
The tank doesn't have to be an exact replacement for the one you broke. Just make sure it is short enough to not to interfer with anything in the radio compartment. If it is a little to wide, simply cut out the bulkhead to fit. An 8oz Dubro tank is very close to most of the arf tanks. They cost less that $4.00 so that is the only route to go. Check DJ's Corner of Campbell Ave and San Tomas Aquino, not the San Tomas Expressway, but about a 1/2 mile to the west from it.
By the way, I've really tore some planes apart and only on two, the tank didn't survive intact. Those two crashes really totaly destroyed the plane.. If you hit hard enough to rupture your tank, you need to look closely for air frame damage.. I'll repeat Closely. A couple years back one of our guys had just finished repairing his trainer after a crash. I was talking to him as he was getting ready to start the engine. As soon as he touched the starter to the engine, it moved back ove 1/2 ". He still didn't realize that the firewall had broken loose in additon to the other damage. You have to look things over with a realy critical eye after a crash. Guessing it is OK doesn't get it. You have to know it's OK.
Don