I still have a starter from the Madera days for the unlimited class and it was a gasser. The starter is out of a Toyota truck with a 12 volt auto battery all mounted in an aluminum box centered to the height of the spinners center. Fuel/gas was handed out with the props by the officials.
The G-62 I still have on hand was gotten in a trade and it had been in a crash and could use a new Carb but I did the repairs and it still works, it would just never hand start, not even after running and still warm. The spring starter is fool proof, just choke until wet then crank it over and let it go, instant fire. I hurt my shoulder and arm trying to get this one to start.
I needed to borrow a starter every time I rebuilt the carbs on all my gassers using the new alcohol proof diaphragms for some reason. Once run they were fine?? We'll see, I have a Brison in my new plane and it was put up wet a couple years ago after a bit of a crash. I have plans on getting fuel to flow through the carb though so I may not need to go to a starter.. This time it has a nice aluminum spinner on it too. I think my last nice nylon spinner was on it when it hit the ground.