Too late- it is already happening. So you are jockeying with aileron while you are desperately trying to jockey with the rudder to keep centreline?
Which is why you stop it and is this not what we are doing when we are landing in a crosswind?
I refuse to accept there is ANY appreciable drag below 100kts, and very very minor drag up to 140kts
Well I obviously can't quantify it but it is there and it will affect the performance albeit by a small amount.
Why not make life easier for yourself?
Well, because the easy way isn't always the correct way. Or the safest.
I take it dad tested smaller types with big spoilers?
Generally yes but he has evaluated types from a Gazelle to an A320 and most things inbetween. He also flew the 737 for a number of years.
Edit: BOAC I stand corrected, my fault as it probably got lost in translation!
