Tie Breaker question Series # 2 Flying Boats, Amphibs,Floatplanes

For Brain 44 and Wayne Baker only. This aircraft was one of the largest in existence. Because of better runways and the weigh and drag of a boat hull, the future of this aircraft would be short lived. It,s unusual turboprop engine configuration powered some contra rotating propellers. It,s rounded bulbous fuselage had two decks. The prototype. the only one to fly, first flew in the early 1950,s. It had logged 46 test flights with 100 hrs flying time. Two others were built, never flew, and were broken up in the 1960,s. The company also built a fixed wing design, rocket assisted experimental fighter. Aside from that the company concentrated on helicopters and hovercraft. Name this aircraft. PM only, do not answer "Was It ". Answer will be posted 1100 hrs Wed 11 / 15. Should both of you answer correctly, another tie breaker will be posted. No one particular type of aircraft. Could be anything. Good luck you two.