I've been waiting a long time to find out this one . . . .
Now that we area talking about the exhaust of turbine helicopters,
Does anyone know what VOLUME of air a helicopter engine moves thru it per second?
I understand different engines move different amounts at different power settings, but I have always been curious as the volume of air a PT6-3D or 250-C47 moves at around 90% N1 under given conditions?
Ideally I would like to see the number for and high power cruise, say about 90% N1, of a PT6 or 250-C20 or higher, at sea level in cubic feet or meters,
Then I want to figure out how long it would take an average human being to breathe the same air a helicoptere engine uses in say an hours flight?
I have even asked the PW guy who resides permanently at my hangar and he has said he has no idea?!