It is a figure eight flown around two points on the ground (pylons) at "pivotal altitude" Note that when you are close to the ground - say on takeoff - everything rushes by from front to back when you are looking out the window. When you are at say 2000 feet, note that when you rollinto a turn, the scenery actually moves "frontwards" if you look relative to the wingtip (or horizontal axis). This is a function of groundspeed, and the altitude at which the ground apears to pivot around the horizontal axis of the airplane s referred to as "Pivotal Altitude" As you fly a circle around an object on the ground and attempt to keep in fixed (not moving forward or backwards) with respect to the horizontal axis, very small but precise corrections to altitude are necessary to compensate for the ever changing groundspeed as you turn from headwind to tailwind during the circle, and also because as you pull up to climb the airspeed will slow, and so reduce the groundspeed and pivotal altitude accordingly, making overcorrections especially easy. Anyway, harder to explain than demonstrate - you've got plenty of time. Great stuff for situational awareness - don't forget to look for traffic while you're doing all this as well.
Sixty some years has clouded my memory as to the defenition of eights-on-pylon and pylon eights. I had to do both for my ride. One was turning on a pylon as Roy mentioned in one direction and then proceeding to the other pylon and pivoting around it in the opposite direction and then flying to the other pylon BUT over a point between the two pylons before " pivoting " the next. I had to set it up so that there was a 90 deg cross wind so the bank angle was different on the up-wind side than on the down-wind side and a different crab angle coming out of the " pivots" so that you crossed over the center point correctly. I had a "forced landing" halfway through the third circuit that took me down to the corn in a field before the examiner gently applied power to climb out. The other " eights" maneuver was set up the same way as the first described but the eights were not pivoting on a point but the cross-over between turns had to be on that center point with no drifting off allowed. I think that was "pylon eights' if my head is coming up with the correct data. That was part of my ride for my PPL.
They actually took all that out to the Private Flight Test at some point. I was an FAA Pilot Examiner from about 1974 to 1988 and the 8's ON Pylons maneuver was left as a Commercial maneuver - although the 8's around pylons may have been in the PPL Partical Test Guide - I just don't remember now 20 years later. Don't try this at home boys and girls, but for instructor training I used to pick two 18 wheelers doing down the interstate about half mile apart - and require students to do 8's ON 18 wheelers. The equivalent of doing the maneuver in a 70 MPH + wind. You gotta have an airplane capable of speed to start with - then it just gets interesting (and questionably legal). Nuff said.
Roy, that is a neat idea and something for a student pilot to really find out what flying is instead of sitting behind the panel and droning and dreaming. I have mentioned before that I had to do spins with a precision recovery on a point, left and right. 720's left and right, 8's on pylon, 3 or 4 " engine failures", and 4 accuracy landings after deep stalls and regular stalls. A lot of other stuff that I can't recall. My instructor had been flying for 13 years and had 13 engine failures resulting in off airport landings so they were very strong on precision maneuvers. Switches
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There is another common student ground reference maneuver which is not quite so uncommon. (easier to perform in low wing aircraft than in high wing aircraft) It is called "Turns Around A Tiedown" Nuff said. Planeflyr
