Originally Posted by misd
Used when you have long runways(to allow increased V1 adjustment) with -
1. terrain clearance issues after departure
- not in my experience. It has been used to enable an improved climb performance (at a more 'efficient' V2) where runway length permits and there are NO significant obstacle problems, thus achieving the required gradient at a higher weight than at standard speeds.
I'm not comfortable with the concept of using it purely to allow a 'high-speed tricycle' event at a vastly reduced power setting.