74 classic bleeds are on for take off-they run the adp's to help gear retraction. As previously stated first pack on at 400 feet. Take off is always unpressurized. The Connie birds are actually very well equipped. Glass adi/hsi, dual fms, in all a/c; electronic flight bags in most soon to be all. Not typical of the "bottom feeders" as many are ignorantly trying to assert. Take off performance is computer based for each specific runway and of course always takes into account an engine loss on take off. That was a very experienced crew and I really don't see this event as being as simple as a single engine loss on departure.