Just made the first two flights on the H-9 Camel,, great little airplane, but...... Plane seemed a bit tail heavy ( twitchy on the elevator) even though I had checked balance on bench with EMPTY tank and it was at the forward end of the range. We put plane on bench and checked with full tank and WOW this thing is WAY tail heavy with full tank. If you look at tank position there is about 2/3 of the tank behind the CG point... Empaty tank= balanced. Full tank = tail heavy. Is it just me or have any of you found the same thing. Like the way it flys, but am going to balance with FULL tank and give it a try....Cliff