I'm trad shooter who learned to shoot Howard Hill videos. Lately I have found that when I speed up the drawing sequence my accuracy has actually improved. I'm not speed shooting, once I hit my anchor I do pause to make sure I'm solid.
It seems when I shoot at slower speeds, I'm not as consistent. But when I swing up, draw back and get to my anchor in quicker fashion I'm solidly at anchor and consistent. Does that make sense.
I shoot this way with both Longbows and Recurves and it seems to be working. I seem to remember on one of the videos, either Howard or one of his students mentions how Howard shot quickly.
Howard Hill shot hundreds of shots every day. He may not be the best model for most of us, who can't do the same thing.
I know what you mean, though. I think there is a tempo that best utilizes our muscles. I've tried shooting with a very slow draw, and it doesn't work very well for me either. By the time I come to full draw, I'm shaking. If I draw more rapidly, particularly if I focus of getting my back muscles engaged early on in the draw, I find that I can come to anchor with a lot less effort. I also slow down my draw when I'm just about anchored, in order to allow things to stabilize, and then I slowly pull through my anchor as I release.
Tolkeman you've discovered the natural athletic sequence and rythm that puts all the form elements together, for a consistent and smooth shot execution. Trust it.
It's the best I've found for hunting success.