My aversion to adding air guiding vanes is the consideration that they will add drag. But I have no idea how much. Of course turbulent air or air not reaching some areas of radiator or cooler surface is non-optimal too.
Looking at rv6ejguy's and Sherwood Glassair SVX belly diffuser vanes, they look rather thick.
https://www.homebuiltairplanes.com/forums/threads/aerodynamics-of-propulsion.39031/#post-678117
Optimal shape for air duct (diffuser) guide vanes?
A thin (0.02) aluminum sheet?
Thicker (glass) rounded front and thin rear?
Something else?
How far from the inlet lip should the vane(s) start?
Finn
Looking at rv6ejguy's and Sherwood Glassair SVX belly diffuser vanes, they look rather thick.
https://www.homebuiltairplanes.com/forums/threads/aerodynamics-of-propulsion.39031/#post-678117
Optimal shape for air duct (diffuser) guide vanes?
A thin (0.02) aluminum sheet?
Thicker (glass) rounded front and thin rear?
Something else?
How far from the inlet lip should the vane(s) start?
Finn
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