The Deux Pont was highlight in my spotting days, sometimes a mundane DC4 was used . Even among piston props the DP seemed to have spectacularly poor performance . Using a lot of runway, relatively speaking ,and then seeming to not get above about 100 feet before disappearing into the distance. Other slightly scary performers from those days were Yorks, Carvairs C46s and the early C124 -single deck version that used LHR in the 60s . Of course when the early jets came along-comets excepted they were pretty good runway eaters too
Of course it looked pretty big then but as one is seldom able to compare planes from those days with today it was probably no more than a fat ATR72
PB