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Forum: Aerodynamics

02-17-2004, 05:15 PM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

I understand your points, but, surely, it's simpler to think of it this way:-

If it is, indeed, a greater distance across the top of a wing than the bottom, the air relative to the wing, has to...

Forum: Aerodynamics

02-17-2004, 11:48 AM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

Oh I dunno. Somebody at our flying field recently sneezed and his head imploded from excess pressure!

;)

-David C.

Forum: Aerodynamics

02-17-2004, 10:50 AM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

FWIW, I agree totally!

-David C.

Forum: Aerodynamics

02-16-2004, 10:15 PM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

If that's true, then how come a ball moves towards the flow if you blow over just one edge of it? There is no angle of attack effect as you aren't blowing over the bottom and pushing it upwards. It...

Forum: Aerodynamics

02-16-2004, 09:57 PM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

True.

Actually, lift is proportional to drag in all circumstances.

That's why, when you make a turn by rolling with the ailerons, then applying up elevator there is a tendency to yaw away...

Forum: Aerodynamics

02-16-2004, 08:12 PM

Replies: 262

Bernoulli's equation

Views: 29,571

Posted By David Cutler

RE: Bernoulli's equation

The lift is created by a combination of angle of attack and the Bernoulli effect you mentioned.

Especially with a thick wing section, when you get a positive angle of attack, the effective...

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