Mitty wrote:

Actually, no. But whatever the level to others, it is probably
proportional to the level I get, no? So I can still make the judgement
call.

No.

We do such experiments at club meetings: E.g. the club pilots stay on
the ground while some pilot flyes a couple of circuits with a variety of
settings (with and without power reduction after take off, with and
without high rpm on downwind etc.). Such things are always very
educative and make a good starter for discussions.

Stefan