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Well Known Member
I'm a brand new RV-12 owner. Hence, my very basic question: How snug should the fuel tank cap be when it's on and secured in place?
I ask, because the first time I put fuel in my plane, the cap was so tight I had to use a tool to lift the metal flap, and I could barely get the cap out of the tank neck. In fact, I thought the cap may have threads that screwed it into the tank neck, so I twisted the cap using its metal flap. That was not a good idea, because by doing that, I got the disks out of alignment, and then couldn't get the cap into the neck or put the flap down.
So I disassembled the cap and reassembled it, and now the flap is nice a loose and the cap fits into the tank neck easily. The cap also comes out of the tank neck easily -- perhaps too easily. I'm concerned it may bounce out while I'm taxiing or flying.
That's why I ask how snug should the cap be, when it's in the tank neck and the metal flap is in the down position?
I ask, because the first time I put fuel in my plane, the cap was so tight I had to use a tool to lift the metal flap, and I could barely get the cap out of the tank neck. In fact, I thought the cap may have threads that screwed it into the tank neck, so I twisted the cap using its metal flap. That was not a good idea, because by doing that, I got the disks out of alignment, and then couldn't get the cap into the neck or put the flap down.
So I disassembled the cap and reassembled it, and now the flap is nice a loose and the cap fits into the tank neck easily. The cap also comes out of the tank neck easily -- perhaps too easily. I'm concerned it may bounce out while I'm taxiing or flying.
That's why I ask how snug should the cap be, when it's in the tank neck and the metal flap is in the down position?