Variable incidence ?
4 reasons
The requirment for large C.G. range
The need to cover a large speed range
The need to cope with possibly large trim changes due to wing leading and trailing edge high lift devices without limiting the amount of elevator remaining
The need to reduce trim drag to min
Spout that lot in an interview and you probably will not get in for being a smart arse ( no I am not, page 35,Handling the big jets, good book)
I wonder if it is copyrighted !
What am I doing its Friday night
[This message has been edited by Anti Freeze (edited 16 March 2001).]