Thank you...
...to everyone for replying. I found a good website which basically confirmed what Rod1 was saying.
My idea has a business application, not private (but that was outside the scope of this thread).
To Sternone: not sure if your comment was in humour or not. In case it wasn't, please read "Power vs Force" by David R Hawkins, MD, Phd. Maybe very enlightening for you.
Warmest regards to all.