Its ease mate just times the arm by the monment but try follower this on here he puting the long way round. look for weight and blance on the plank it show its so ease mate
Make a spreadsheet that does all these calculations for you. That will force you to learn this step by step AND give es you a tool for faster calculations which saves time during flight planning.
Hi, thanks for your comment! The 95 inches (Arm Aft Datum) comes from the Pilot’s Operating Handbook where it’s published under the Weight and Balance section (Section 6) for fuel allowance including engine start, taxi, and run up. We hope this helps, and let us know if you have any other questions!