On Feb 2, 7:18 am, "James Sleeman" wrote:
Here's my attempt at an easy layman explanation: "To stay up, the
plane must push down a certain quantity of air. A plane pushes air
down, by flying forwards. If there is less air, the plane must fly
forwards faster to push down the same total amount of air, so you must
add more power to do so."

Uhhhhh, I hate to bust anyones balloon, BUT, more throttle at higher
altitude does not mean you are getting more power than you were
getting with less throttle at lower altitude...

denny