harrisonaero
Well-Known Member
For a water cooled engine, say the Rotax 912, what shape of cowl has the lowest drag. Taking into account both aerodynamic and cooling drag.
Is it something blunt like the AR-5? Or perhaps swoopy like the AR-6/Nemesis-NXT? Or somewhere in the middle like the CEA-308 or DynAero?
Is it something blunt like the AR-5? Or perhaps swoopy like the AR-6/Nemesis-NXT? Or somewhere in the middle like the CEA-308 or DynAero?