Oh, and, you're aware of Glycol injection into Merlins etc?
Better than water because the 'latent heat of evaporation' is more effective. Or in simple terms, takes more heat out with it.
I did Naval Architecture, so a bit closer to Aerodynamics than a Mech Eng. So while people still argue about Bernoulli vs. plank theory there is a funny little thing that my Dad told me about.
I did just write a paragraph explaining it, and saying that we never came up with a practical use for it. But then realised that there might well be, so forgive me for the tease!