FLYING IS FUN.

YOU SHOULD TRY IT WITH YOUR EYES OPEN!

The Bernoulli Effect

In 1738 a guy called Daniel Bernoulli worked out a couple of things:

1) Air moving FAST has LOW pressure, and

2) Air moving SLOWLY has HIGH pressure.

WHAT IS "PRESSURE"?
 
Pressure is the outwards push of air...
for example, the air in a balloon is forced inside when you blow it up, and it's HIGH PRESSURE makes it push hard to get out.
 
Air always pushes...
FROM HIGH PRESSURE
      TO LOW PRESSURE.

Now, where where we?

Flight Science

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References