[.041 Safety Wire]

can we really call it the biggest

At least it's the greatest :wink:
This is an engineering masterpiece, absolutely top of the crop for it's time.
Just imagine the engines, 6 P&W Wasp Major means 168 cylinders with 336 valves and spark plugs :roll:

Best regards - Mike

Yes, at least until Convair came up with the hairbrained scheme of a nuclear powered version. I'm an A and P mechanic and cant imagine maintaining those 4360,s probably hundreds of hours of maintenance for every hour of flight time.