As a side bar, there are a couple of methods in the set up of a fuel tank and lines. The most common are two line and three line. Since I believe in the K.I.S.S. method, I'm only goint to provide the two line system.

You have the usual number of lines inside the tank, 2. One is the supply to the engine, the other is the vent ot the outside atmosphere. I usually find a location on the bottom of the plane that's close to the tank, drill a small hole, and run the line out the bottom and forget about it.

For the supply, you will also have a "fuel dot" included in the hardware package. That will be the method of filling the tank. Find a suitable spot on the side of the fuselage that has a pretty clear shot at the front of the tank and install the 'dot" using Medium CA. Don't get CA inside the "dot.

You will need to "tee" off the supply line from the tank to install a line to the "dot". There should also be a "TEE" in the hardware kit for this. Install the "TEE" in a location that will let the line exiting to the dot move freely without kinking the supply line from the tank. Use the small plug that was installed in the "dot" to cap off the fill line at the side of the fuselage. You should now have one end of the "TEE" without fuel line on it. That end goes to the engine.

You may want to install a fuel filter of some sort in the supply line from the tank, but other than that the fuel system is now complete.

Be sure that when you set the fuel tank up in the Ultimate to bend the vent tube inside the tank to the "bottom" of the tank. Remember that the usual tank bottom becomes the top in the Ultimate.

Pat