Originally Posted by
AllanJ
Thanks.
Oh, by the way, the pilot in question will not be aware of much. All he knows is that the previous plane took off and, after a short pause, ATC gave him the go ahead. In this hypothetical scenario the pilot judges that by the time he would get into position on the runway and should take off himself, the previous plane would not be far enough away. So, still at the front of the takeoff queue, the pilot places his request to ATC for more time.
But oh, by the way, the pilot in question would know the aircraft was, for instance, a 757, and s/he has had previous wake turbulence experience above and beyond the normal, etc.