The Building Board: An O.S. .46FX with Davis Head and FXR Venturi System

Wednesday, August 31, 2011

Turns an APC 15x8 Electric prop at 4000 for 11mins on 24cc of fuel. Notice that carb has been replaced by a Venturi with an opening of .045.

Marten said...: Interesting. Is it quiet enough to not need a muffler, or did you leave it off just for the pictures?; 31 August, 2011 18:46
Tom Ryan said...: Still in experimental stage; 31 August, 2011 18:48