I'm sorry to say I can't see your video. The dialog box says it's not available.
Oddly enough, I was just watching one of R. Lee Ermy's comparison videos. This one was between the Spencer carbine and the Henry rifle. Well, I guess the Henry was a bit better in sheer speed and ease, but not in what I call "throw weight." The Spencer definitely packed more sheer punching power, in fewer rounds, but with a slower load, cock and fire each round. I think reload time might have been about equal between the two.