Counter Rotating Props
Watching a light twin the other day brough back something that I had read before about counter rotating props.
I remember reading about the effect of losing one prop and that one was a "critical prop" to lose, as it caused more yawing due to the position of the downward moving blade.
That much I understand.
Then it mentioned about counter rotating props, which ensure that neither prop is "critical prop".
That I understand too.
However I am sure it mentioned a disadvantage to counter rotating props, which explained why all twins arn't counter rotating....only I can't remember what it was, and I can't find the original text!!!!
Anyone else know the disadvantage of counter rotating props?