"Brian Whatcott" wrote

I could even go a little further: if you get yourself in a situation when
you have to deploy your considerable engineering skills in evaluating Re,
it is because you forgot to use your even more considerable judgment is
selecting well-liked, useful, relevent airfoils.

:-)
Amen!

Ya define the mission, and how fast you think you will go and look at the
list of airfoils used on airplanes of similar speed and mission. That makes
airfoil choice a real choice.
--
Jim in NC