Using exactly what you have right now, add 100% fuel to the first 4 sections of fuselage to stabilize the front end. Then you only need a hair of trim for straight and level flight.
Here ya go bud. You didn't say anything but make it fly, so I added wings and propulsion.
http://www.simpleplanes.com/a/J99pN0/Aircraft
Using exactly what you have right now, add 100% fuel to the first 4 sections of fuselage to stabilize the front end. Then you only need a hair of trim for straight and level flight.
Here ya go bud. You didn't say anything but make it fly, so I added wings and propulsion.
http://www.simpleplanes.com/a/J99pN0/Aircraft