Exactly....and if full-size aerobatics at airshows has evolved to vertical hovers just above ground level alll us pilot types would read about it on the front page of the monthlies...
PS...one clever way to hide the drone of a big bore two stroke radio control airplane engine is to mask it with music in your video... and why would one want to drown out the strain of a full-size aircraft engine at high manifold pressure settings anyway? :o)
I've been flying full-size my entire life (50+ years) and models for the last 35 years.
Unlike the poster, I know the difference between a full-size and a model.
While a 40%-scale model can appear to the uninitiated like a full-size, the speed in which this one was reacting to the control and throttle input tells me this was a model. A large model, but a model, nonetheless.
He said he searched google, but couldn't find anything like this.
I typed in 'Hovering Airplane' into google and it returned 1,450,000 results