Good Luck to you Bob. I remember reading an article about you a few years ago, and admired your experimentation.
I hope to learn, this process, and I have found many ways to make my apparatus's efficiency degrease. (many, many failures and differing configurations).
But in the mode of an experimenter, I read everything and test what I can. These projects could take years before the optimum configuration and technique is reached.
Take care of yourself and your wife.
I'm not on your list, so I will only see what you post here.