Hi Carl
John Albritton here. I'm pretty sure I made the prop on the front of your 1/2A speed plane. I'm from Falls Church Virginia, living in south Florida now racing some nitro tunnel
boats. Flew a lot of Control Line growing up. Flew Dick Tyndall's dad's rat racer several time till Dick was...
Thanks to Mic and Ron Shaw for the kind words about the carbs.
Giuseppe, presently I am making a carb that we have been running on Nelson short and long strokes with 17 and 19 MM cranks as well as the Nova .46 outboards
these carbs should work well on inboards as well but we have not tried...