Fuel Arm final answer
I'm not going to defend, elaborate or debate but you can judge for yourself. B15 is the input in gals to quantify the Fuel Arm in inches. Yes other assumptions as to where the baggage is placed also adds to the error. I just like to define as close as possible the inputs if possible. The weight (In lbs.) of the fuel still needs to be used to calculate the moment.
RV-14A QB building, Lycoming 390 Thunderbolt arrived July 2019, Garmin avionics, Vertical Power, EFII-32 Ignition and Fuel, Whirlwind 300-72, Parts became a real airplane 8/15/2020.
Started RV-10 Nov 2020. Empennage arrived and now waiting (And waiting) for QB kits. Garmin avionics, Vertical Power, EFII-32 Ignition and Fuel, Whirlwind 3 blade, real airplane hopefully 2022.