Bill,
I never tried "Frannys" nor "This Is It", but I remember those names. Wasn't Franny also the chrome specialist?

Dan,
I flew sport also and used whatever fuel was in the LHS at the time. I've used all the fuels you listed except perhaps some covered under "many others".
I don't remember ever trying "Lee" fuel. I THINK that was formulated by P.D.F. Chinn and sold by SIG (unless I have it confused with another).
The third fuel I think was made by Francisco was "Nitro-X". I used a bit of that.

I had a Dooling .29 back in the late 1950's. Bought it used, never had it in a ship, sold it. I have one now but it is just parts in a box. Guess I need to send for a set of rings.

George