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-   -   For the Aerodynamicists - Why is it that.... (https://www.pprune.org/tech-log/66836-aerodynamicists-why.html)

acbus1 22nd September 2002 17:36

Dont see why all the complex descriptions.....its just an open and shut case as far as I'm concerned.

aztruck 23rd September 2002 15:07

It's left me unhinged........

acbus1 23rd September 2002 19:52

Me too!

Cant handle it!

Knew there would be a catch.

aztruck 24th September 2002 08:40

Dont knock it...especially if you're feeling a lintel under the weather..ouch!!

northwing 24th September 2002 18:19

Try opening the other door and see if it turns the other way. If it doesn't then it's a curly-wurly propwash effect.

Incidentally, the force required to open a door in flight is a fascinating subject. I once spent 4 hours in a witness box being cross examined by a QC about it.

Tinstaafl 24th September 2002 19:32

It works with both doors, rolling away from the open door. The more you push open the door the faster it rolls.

All very controllable. Ignoring spiral stability effects, the roll stops once pressure to open the door is removed. The a/c can be rolled upright by doing the same to the opposite door.

acbus1 25th September 2002 18:50

Wonder if you could control the plane by linking the yoke to each of the doors,with springs perhaps.

But of course youd need to learn how to adapt your flying to suit.........and we could call it.........

"Twosprung door technique" :rolleyes:


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