They're at the stagnation point. Their function is to divide the air flow between external and internal. The effect on the external flow will be minimal. If there is a difference internally, it will be minimal compared to a grille block.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
___________________
.
.You can't be wise and in love at the same time. -- Bob Dylan
|