His initial analogy where he's varying atmospheric pressure, doesn't include the effect on the inlet but the rest of this is very good.
What he's describing is a "Tuned Exhaust". Something that a few of us have talked about at length but keeps still crops up a few times a year.
View: https://www.youtube.com/watch?v=jjPeP_Nn2B4
What he's describing is a "Tuned Exhaust". Something that a few of us have talked about at length but keeps still crops up a few times a year.
View: https://www.youtube.com/watch?v=jjPeP_Nn2B4