Kent Ashton Posted October 15, 2018 Share Posted October 15, 2018 Just looking at the Garragio EZ in the Central States Pics on this site. This fellow has done an impressive job of building a clean airplane. I don't know how much the upswept winglets help but less-is-more regarding skin-friction drag so I speculate they will add a knot or two. I imagine the only thing that could be improved-upon would be the handling of cooling air. Think about it: put your hand out the car window at 80 MPH and feel the drag. Cooling air come into the ducts at 180 mph, it is effectively stopped, then forced through the cylinder fins, then accelerated again to 180 mph. That's got to take a lot of energy. https://garaggio.wordpress.com/2016/08/04/oil-cooler-replacement/ Quote -KentCozy IV N13AM-750 hrs, Long-EZ-85 hrs and sold Link to comment Share on other sites More sharing options...
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