put 20 gallons in R tank from cans....set calibration at 10 and 20 gallons
call fuel truck...add 10+10+top (33.2 total with some spillage...53 total is probably close
did right side tank...s/b tank 2. Think I may have done it wrong...was on # gallons field when I hit copy and save...think I should have been on ground gals and in flight gals. Will check tomnorrow.