Subject: Re: <VV> Re: Saturn Sky HUMOR NO CORVAIR

[Dave Foster]

I have heard that skyhooks work but I am lost???What is Saturn Sky??(I guess 
it is what I have been reading about.)

Dave Foster
63 Spyder
Still in body shop
----- Original Message ----- 
From: "P.H. Raker" <n556p at yahoo.com>
To: <virtualvairs at corvair.org>
Sent: Friday, September 22, 2006 4:53 PM
Subject: Subject: Re: <VV> Re: Saturn Sky HUMOR NO CORVAIR


> Hey, guys,
>
> You're both forgetting something ... Are you ready for this? ... It's
> the gravity of the situation.
>
> A column of EARTH atmosphere (air) weighs 14.7 lbs per square inch.
> What does a column of SATURN atmosphere weigh?  Quite a bit less.  It
> all depends on the gravitational pull of the planet in question and the
> gasses in the specific atmosphere.  Saturn's gravitational pull is less
> than that on Earth (9.05m/sec^2 vs. 9.8m/sec^2), and it's atmosphere is
> made up of primarily hydrogen, and helium (both lighter than air).
>
> If you remove all the air from around a car it won't accelerate upward.
> Gravity still works in a vacuum.  The only way the car would rise is
> if you could remove the air only from above and not below (perhaps the
> car is sealed into a tube of infinite height but open on the bottom?).
> Then the differential air pressure between top and bottom would lift
> the car only to the extent that atmospheric pressure times surface area
> is greater than gravitational weight.  I'd rather try to lift the car
> with a skyhook.
>
> Enough levity about gravity!
>
> Phil Raker
> '65 Corsa 140/4
>
>>
>> So I calculated it for a sky.  The Saturn Sky is 161.1 inches
>> by 71.4 inches, which gives a total surface area of 79.87875
>> square feet.  I may be rusty here but from my high school
>> science class I seem to recall that a column of air one foot
>> square weights 14.7 lbs., give or take for barometric pressure,
>> Ask Doctor Science!
>> Norm Witte
>> ******
>> Hey Norm .. heh heh, the pressure at sea level is 15 lbs per
>> SQUARE INCH ....   so the Sky would weigh ( 15 x 80 x 144 )
>> lbs too much.
>>
>> So for a really good dirty trick, if you removed all the air
>> from the top of someones little sky , it would take off
>> straight up ....
>>
>
>
>
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