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-   IL-2 Sturmovik: Cliffs of Dover (http://forum.fulqrumpublishing.com/forumdisplay.php?f=189)
-   -   Manual page 62 :( (http://forum.fulqrumpublishing.com/showthread.php?t=19521)

Kianoni 03-26-2011 03:45 PM
Manual page 62 :(
 
Quote:
Instead, here’s a quick test to determine whether you should read this chapter.
If you’ve been on the internet in the past ten years, I’m sure you’ve heard this
riddle. There’s a plane on a magical threadmill runway. The threadmill defies
the laws of physics and can rotate as fast as the plane’s wheels while going
in the opposite direction. If the plane rolls forward at 10 mph, the runway
underneath rolls backwards at 10 mph. The plane’s wheels spin up to 200 mph
and the runway rolls back at 200 mph. The question is, will the plane move
forward and take off or remain stationary?
If you had to think about it for even a second, you need to read this chapter.
The answer of course is yes, the plane will take off as normal.
WTF :confused: :grin:

..and if you didn't get it then think.

http://www.scribd.com/doc/51503478/IL2CoD-MANUAL-UK

Kianoni 03-26-2011 03:50 PM
now I didn't read it correctly before postin :D

DD_crash 03-26-2011 04:01 PM
Sounds like it was written by RAAAID :)

PeterPanPan 03-26-2011 04:35 PM
This really jarred with me too. I have re-read it many times and I still don't get it. Surely if the plane's speed over the ground is 'x' and the runway is moving at 'minus x', the aircraft's position is stationary. If so, how can there be any airflow over the wing. Surely the aircraft cannot fly?

Can someone please explain to me why I am wrong?

Biggs 03-26-2011 04:39 PM
Quote:
Originally Posted by PeterPanPan (Post 240822)
This really jarred with me too. I have re-read it many times and I still don't get it. Surely if the plane's speed over the ground is 'x' and the runway is moving at 'minus x', the aircraft's position is stationary. If so, how can there be any airflow over the wing. Surely the aircraft cannot fly?

Can someone please explain to me why I am wrong?
if u read the rest of that section of the manual it explains it... the engine and propeller pull the plane... the plane will accelerate down the "conveyor belt" as though it was a normal runway.

the contact with the ground as no impact on the speed of the plane on takeoff.

norulz 03-26-2011 04:39 PM
Rotfl

addman 03-26-2011 04:41 PM
Quote:
Originally Posted by PeterPanPan (Post 240822)
This really jarred with me too. I have re-read it many times and I still don't get it. Surely if the plane's speed over the ground is 'x' and the runway is moving at 'minus x', the aircraft's position is stationary. If so, how can there be any airflow over the wing. Surely the aircraft cannot fly?

Can someone please explain to me why I am wrong?
Well, the propeller drags the plane forward and pushes air along the plane and that's why it lifts right? Anyone who have flown a RC airplane should know this at least.

major_setback 03-26-2011 04:45 PM
This was a very much discussed topic a couple of years ago at the UBI forums.


Mythbusters addressed it too:

http://www.google.se/#q=mythbusters+...bf0d08cabcd111



The wheels have no drive! They will freely roll if the prop pulls the aircraft through the air, no matter what direction the ground is moving.

.

Alien 03-26-2011 04:45 PM
Quote:
Instead, here’s a quick test to determine whether you should read this chapter.
If you’ve been on the internet in the past ten years, I’m sure you’ve heard this
riddle. There’s a plane on a magical threadmill runway. The threadmill defies
the laws of physics and can rotate as fast as the plane’s wheels while going
in the opposite direction. If the plane rolls forward at 10 mph, the runway
underneath rolls backwards at 10 mph. The plane’s wheels spin up to 200 mph
and the runway rolls back at 200 mph. The question is, will the plane move
forward and take off or remain stationary?
If you had to think about it for even a second, you need to read this chapter.
The answer of course is yes, the plane will take off as normal.
No, because plane flies when WIND is moving under and above WINGS. Wheels are just to protect propeller from the ground impact.

BadAim 03-26-2011 04:47 PM
It's a joke guys, it's just a joke.


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