I have heard of some way to cut plastic tanks to shorten them and "plastic weld" the sections back together. I like round tanks, the problem is the size that fits is the 4 oz which is sometimes more fuel than needed and to long for the tank compartment available. Being able to shorten it say a 1/2" solves both problems.
Does anyone know how this is done?
not easily!!!! the plastic used for tanks in niegh impossible to weld.....you CAN do it if you buy the right rods and have the skills - last time I hecked the rod were more than a new plane!