How gliders are able to do so with those large wings. Why we cannot make more gliders than big aeroplanes ??
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How gliders are able to do so with those large wings. Why we cannot make more gliders than big aeroplanes ??
Aeroplane works based on Newton’s 3rd law of motion, but in the case of Gliders, there is no engine at all. Then how does it flies? the answer is an engineering & aerodynamic design.
We all know that even if an aeroplane engine fails, it can fly/glide for a few more distances. That is made possible by taking the advantage of the altitude it already attained. We call it to glide ratio.
The glide ratio of Boeing 747-200 is 15:1 i.e. at 1km height it can glide up to 15kms.
Glider designers took the advantage of this ratio, so they designed gliders with minimum drag & weight so they can attain a glide ratio of 70:1 i.e. gliders can travel up to 70kms from an altitude of 1kms.
But to attain that height gliders need the help of another aeroplane or it needs to be launched from a hilltop.
Gliders are designed in the best aerodynamic way to attain maximum efficiency.
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