i had a long standing theory about the rounded dges and the drag they created that was finally confirmed for me this last year when i looked at precious metals' rudder and found that oil had managed to flow almost half way up the curve of the rudder.
the rounded edge on the bottom of the p-51 rudder. why has noone ever made a "fillet" to make that a straight edge?
the rounded edge on the bottom of the p-51 rudder. why has noone ever made a "fillet" to make that a straight edge?
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