The video linked in this article, particularly at track speed toward the end of the 4:25 youtube segment, is incredible. Here's an update as to how they've been coming along in their efforts to fundraise and construct a new PRR T1 4-4-4-4 duplex steam locomotive, to be number 5550.
https://www.thedrive.com/news/steam-tra ... blueprints
As part of their progress, the T1 group has acquired the only surviving PRR 8-axle long haul "coast-to-coast" tender. I had no idea one of these still survived!
https://www.trains.com/trn/news-reviews ... st-tender/
Any historical questions can be posted here. Answers would certainly help as well