It’s like jetting around in a backwards shopping cart...Always thought the P-82 was cool.
As a high time tail wheel pilot, it is dragging two fully castering tail wheels around that I can't wrap my head around.
Why wouldn't they turn with the brake inputs?Always thought the P-82 was cool.
As a high time tail wheel pilot, it is dragging two fully castering tail wheels around that I can't wrap my head around.
Think backwards shopping cart going fast. Being able to turn isn't the problem.Why wouldn't they turn with the brake inputs?
Would the counter-rotating props do away with P-factor entirely?As a high time tail wheel pilot, it is dragging two fully castering tail wheels around that I can't wrap my head around.
From the Wiki . . .Would the counter-rotating props do away with P-factor entirely?
Yes, I know, in actuality thrust counteracts drag, weight counteracts lift, blah blah blah blah blah. Still an interesting story about 1940s aeronautical engineering.Wikipedia said:The XP-82 was to be powered by two Packard-built Rolls-Royce V-1650 Merlin engines. Initially, the left engine was a V-1650-23 with an additional gear in the propeller reduction box to allow the left propeller to turn opposite to the right propeller, which was driven by the more conventional V-1650-25. In this arrangement both propellers would turn upward as they approached the center wing, which in theory would have allowed better single-engine control. This proved not to be the case when the aircraft refused to become airborne during its first flight attempt. After a month of work North American engineers finally discovered that rotating the propellers to meet in the center on their upward turn created sufficient drag to cancel out all lift from the center wing section, one quarter of the aircraft's total wing surface area. The engines and propellers were then exchanged, with their rotation meeting on the downward turn, and the problem was fully solved.
We're saying the same thing, just phrasing it kinda different.Being able to turn is the problem; it's too easy.
Only on a treadmill...Would the counter-rotating props do away with P-factor entirely?