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By using the speed brake do we reduce the speed or do we increase the descent rate or does both happen simultaneously?

The practical answer is they increase angle of descent. How they do it is a bit more complicated. Aircraft in level flight at constant speed have the all familiar 4 forces of flight: thrust and drag,...
Robert DiGiovanni's user avatar
3 votes

By using the speed brake do we reduce the speed or do we increase the descent rate or does both happen simultaneously?

The two most common types of speed brakes are fuselage mounted and top of the wing mounted speed brakes. The effect of both types is the increase of drag. Top of the wing mounted speed brakes also ...
Jpe61's user avatar
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1 vote

By using the speed brake do we reduce the speed or do we increase the descent rate or does both happen simultaneously?

Every implementation of a speed-brake that I've come across is basically a method of increasing drag, rather like putting your foot on the ground with a scooter, and slightly differently from most ...
MikeB's user avatar
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