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henry.voris
Joined: 02 Mar 2007
Posts: 116
Location: Pueo Field, Kula, Maui
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 Posted: Fri Feb 01, 2008 6:20 pm Post subject: Re: Not really kolb related |
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If your airplane is moving down the runway at 100 MPH, with a 100 MPH tailwind... you will be sitting in dead air (reads no lift)... all the way to the end of the 8,000 ft. runway.
Lets say that lame video is correct. Lets say an stationary airplane, sitting on a moving conveyer belt, will fly if belt is moving fast enough. Why are you wasting this valuable information on a bunch of know-it-all old farts who fly lawnmower powered kites??? You owe it to our nation to get that video to the Navy right way so they can stop building those silly aircraft carriers. It'll put those maglev catapults to shame...
Aloha
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_________________
Henry
Firefly Five-Charlie-Bravo
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ceengland(at)bellsouth.ne
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| Posted: Sat Feb 02, 2008 7:26 pm Post subject: Not really kolb related |
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It's all relative. If you're flying cross country & your 80mph airplane
gets a 20 mph tailwind, you're going 100 over the ground, right? Just
translate that to flying really close to the ground, as in your takeoff
roll. As you bring the power up, the prop will make you accelerate in
the relative wind. You'll still take of at the same *airspeed*, but
you'll have a really high groundspeed. That's why we are taught to take
off into the wind instead of downwind.
Charlie
David Key wrote:
| Quote: | if a 100 mph wind is pushing you 100 mph your airspeed is 0 I don't
think you'd go very far.
> Date: Fri, 1 Feb 2008 18:41:32 -0500
> To: kolb-list(at)matronics.com
> From: possums(at)bellsouth.net
> Subject: Re: Re: Not really kolb related
>
>
>
> At 07:18 PM 1/31/2008, you wrote:
> >It's not the prop blast. The plane is pulling itself through the
> >air. The only thing different than a normal takeoff is the
> >rotational speed of the wheels. The rest of the plane doesn't know
> >it is on a belt.
> >
> >Bryan D
>
> If your plane was on an 8,000 ft runway and had a 100 mph tailwind
pushing
> it 100 mph down the runway, Could you take off down wind. Of course you
> could. Same ========================
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