BaltACD
Need to have a direct 'Pull Off' couple the 4449 & 611 tender to tender and open the throttles, sand and all the other tools of the Engineer & Fireman's tricks.
Balt, isn't that like putting a couple of queens into a pit to mud-wrestle the question of 'royal succession'?
That's better suited to choosing the 'Queenie' of steam ... which is quite another thing, reminiscent of Twain with the lightning and the lightning bug, or Franklin Delano Roosevelt... Jones.