Originally Posted by
welliewanger
Depending on which authority you're flying over, the Global (5000, Express and XRS) can do a "clean" takeoff. Normally we use slats and 6 degrees of flap. Calculation for the clean takeoff is convoluted so they're almost never done.
I imagine that a major limiting factor is the tyre speed. Too fast and they delaminate.
It is not a clean take-off, it's a zero flaps slats out take-off.
No complicated calculations, it's right there in the QRH.
But you need the SB done that permits the use of the procedure(tyres, etc.)