Curtiss TP 40N - First Flight in 4 1/2 Years

I recently got a chance to try a test flight in our TP-40N! If you'll remember, the last time I flew it, FOUR AND A HALF YEARS AGO, the landing gear didn't want to come up so I immediately put it down and landed safely. I had already bellied in my other P-40E due to a problem and didn't want a repeat episode. I decided not to fly this one again until we re-installed an original emergency system, which for some reason in the past was taken out! This involved having special components made, pulling the fuel