Elliot Seguin is a homebuilder, engineer, and test pilot. He is a member of the Society of Experimental Test Pilots and each year he competes at the Reno National Championship Air Races.
Builder Walter Treadwell has taken on projects that many of us would find daunting, and he keeps upping the ante. First came a Lancair 235, then a plansbuilt Jenny JN-4, followed by a P-38 and then his current project, a resized Sikorsky S-38. Some 4000 hours into the new project, Treadwell has a ways to go, but fortunately he has a mini AgCat to fly in the meantime; by Bob Fritz.
Steve Ells examines the RSA-type fuel-injection system, shows you how to set the idle speed and idle mixture, and how to clean the nozzles and screens.