Originally Posted by
leemkl06
I just measured the actual fuel gain and I was a little disappointed! With the stock tank, it's advertised as a 2.5L and it had 2.1L usable. This tank is advertised as a 3.2L it has 2.4L usable. FYI, these numbers come from using a 2 liter graduated cylinder and pumping out the usable fuel (this is done on all of my planes to calibrate my fuel telemetry).