The “Super G” Constellation came about after Howard Hughes threatened to cancel TWA’s entire order of Constellations when the plane was much slower than the DC-7 and couldn’t reliably make the non-stop run from LA to New York. My dad at Alcoa foundry in Vernon worked with Lockheed engineers to redesign the casting for air inlets, and produced prototypes fast enough to meet deadline for demonstrating 50 mph speed increase/range increase and save the order. Profit on the first 100 aircraft castings got him promoted, as Lockheed had to commit to buy all from Alcoa at very profitable price in exchange for rapid turnaround. Delivered on flatbed to Burbank while still warm from casting shop…