Not to argue...
Yes, but we are talking about RV's here.
With pressurized airplanes it is a different story.
Really trying to not confuse the gentleman with the problem so he doesn't go chasing the wrong system.
I even doubt you could pressurize an RV cockpit with all of the vents open.
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Checkpoints" monthly column
EAA Homebuilt Council Chair/member EAA BOD