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Old 4th Feb 2019, 10:33
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weemonkey
 
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Originally Posted by jimjim1
Hmmm.


The very definition of hover is that the lift vector is vertical.


Any non vertical component to the thrust (net thrust from all sources - if you like) will produce an acceleration in some horizontal direction until the drag equals the horizontal component of the thrust.


I guess I am missing something.

In the hover as the aircraft descends there is a "pocket" of high pressure air "retained" fore and aft by the airbrake & dam and left and right by gun pods or strakes. It may be that there if some residual that can be retained likewise by flaps?
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