Originally Posted by
Diff Tail Shim
No transonic airflow means it doesn't?
<br /><br />I was taught that the relationships between the characteristics [flight, or sailing or whatever] of the real size object and the scaled down version involve some very fancy maths [math if preferred] and a great deal of suck it and see experimentation.<br /><br />The days of film comical sea and air battles using models are long gone now we have CGI and AI, but the real world behaviour relationships are fraught with Bernoullies, vortices, turbulence and Gremlins.