Question1) What is the value of using a universal/pump jig for the base rather than building a base?
Question2) Chips sometimes pass back through the drill bushings. What types of problems does this cause?
Question3) Using Roskam KU “quick look” charts to estimate the mass moment of inertia for an Airbus A321 airliner flying at a weight of 175,000 [lbs] in pitch roll and yaw.