29 gallons of fuel on the wall.....

Take one down and run engines with it and get in flights with it and it's time for another gallon of fuel. I went to the field this morning with the spare parts engine and plane and the Evo .60 powered P-63. I got in 4 flights with the spare parts and figured I need to shorten the lines and adjust the plastic tank a bit. I tried the 12 x 4 on 3 flights and the 12.25 x 3.75 on  one flight. I put the 12 x 4 back on as I don't have any spare 11.5 x 4's. Ground clearance issue. The Evo started right up and ran well for 3 flights but the tank seemed off a bit. When I got home I adjusted the spare parts tank and took the P-63 tank apart and found the vent out of position and the uni-flow way off. Things should be where they should be now.  I figure the P-63 needs longer lines. I have 63 footers on it and 63.5 footers on the spare parts plane. Kinda backwards. I'm thinking 62 on the spare parts and 65 on the P-63. I also put a half ounce of tip weight in the P-63 as it didn't have any, but the engine hangs out a bit, and the flaps on the spare parts plane were tweaked into alignment. I found 1.5 ounces of tip weight in the spare parts wing and reduced it to a half ounce a few days ago. I may have bent the flaps to carry the load a while back and without the weight they don't need to be twisted.