David Rind ) wrote:

You
have no hope of outclimbing a jet, and might want some additional
airspeed if you hit a wake. Instead, I would have requested an
early turnout and started my turn when I was 100' or 150' up. If
they couldn't give me the early turnout, I would have refused
the takeoff clearance. I'd be interested to know what others
would do.

My point of climbing at Vx was not to outclimb the DC9, which rotated about
7,000 feet down the runway. My point was to get above the obstacle DP
altitude well before the DC9s rotation point, then turn the 90 degrees
right that the tower had already approved.

It's doubtful that the extra 10-15 knots of the C172's climb-out speed
would make a bit of difference in an actual wake turbulence encounter. My
plan was not to inadvertently encounter the wake, but rather to avoid it
entirely. Hence, the plan to climb steeply then immediately turn away.

--
Peter












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