Came across this excellent detailed doco made with cooperation of the Railroaders Memorial Museum re this famous 1947 PRR crash, the train animation of the K4 is superb.https://www.youtube.com/watch?v=nqA28afeRVw&t=315s
the same channel also has another top quality dissection of another PRR crash, the wreck of "the broker".
the same channel also has another top quality dissection of another PRR crash, the wreck of "the broker".