Originally Posted by
bean
You'll reach v1 quicker so if you need to abort on a wet runway, you increase the available stopping distance as anti skid brakes might come into play. Same asa ABS on a car
True, but I think it's the "on the brakes" run up that the OP is querying, not the use of full power itself.
As I recall it we didn't get any "extra" credit in our takeoff calculations for stationary run up, but on one type I flew there was a caveat that if you were with 10 (?) tonnes of max and
had to start the takeoff roll from a stand still (i.e. you couldn't achieve or sequencing didn't allow a rolling take-off from runway entry)
then you had to stand the engines up on the brakes.