Read about Nate's system a number of years ago in the book about his
life, Jungle Pilot. He also devised a system where he could feed fuel
directly into the intake maifold in the event of carburetor icing or
failure. Quite a resourceful guy.

http://pad39a.com/gene/avbook.html
--
Gene Seibel
Gene & Sue's Flying Machine - http://pad39a.com/gene/
Because we fly, we envy no one.