Helicomparitor (or should I call you Mach 3 Bullets!), are you saying that this is a little pond to you, do you denigrate pprune so easily?
And regarding reputation, one earns that, and it hard for you to do so as you hide behind an anonymous label!
I will send your erudite analysis about "Mach 3 bullets" through the design community along with your real name, it will get some belly laughs! I will cc you a copy, too!