Cheers Photons. I'm pretty happy with how to use the charts. I just came across a situation the other day where we used full thrust but at our weight a reduced thrust was possible. With that in mind I used the V speeds just above our actual weight on the chart but used full thrust. ie the V speeds used were closer to the top of the page than the thrust developed at the actual ambient temp....I hope that hasn't confused things even more .....lets not talk about increasing our Vr towards V2 when windshear has been reported ha ha......and yes....I know there are limits to how much you can increase it!
