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> Vertical Jumbo's
roamingrichy
post Jan 24 2005, 02:39 PM
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Hi people
First time I've ever created a Topic, apologies if it doesn't turn out right.
Just wondering if any of you experienced pilots and air junkies alike out there believe that there will one day be VTOL commercial aircraft?
I myself do and wonder why this has not been attempted yet on a commercial level, or has it?
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bernoulli
post Jan 24 2005, 03:16 PM
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Propulsion technology as it is today is the limiting factor. But as new technologies are developed, I do see it as a future endeavor, but long away.

Heavy lift vertical takeoff has been around since the 1940's, in the form of rockets, that is. Obviously not a feasible option now for air breathers and sub-orbital vehicles. Currently, VTOL is limited to the Harriers of the world.

Just a thought, I think that I read somewhere that the Saturn V rocket used 12 tons of propellant per second during the first stage of liftoff. How's that for a fuel bill? :huh:
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LEVT
post Jan 24 2005, 04:54 PM
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And just think about the enviromental effect...
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rjb4000
post Jan 25 2005, 12:19 AM
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QUOTE(Bernoulli @ Jan 24 2005, 02:16 PM)
Just a thought, I think that I read somewhere that the Saturn V rocket used 12 tons of propellant per second during the first stage of liftoff. How's that for a fuel bill? :huh:

let's see thats 24000 pounds per second, at the average price of gas 4.00 a gal and a conversion rate of 6.9999 pounds per gallon, thats 3,428 gallons per second.. multiply that by 4 and you get:

13,714 dollars per second...

on an average flight time of 4 hours thats 14,400 seconds for a total price of:

197,481,600 dollars per flight

now

at an average of 200 people per flight, thats

$987,408 per person!

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rjb4000
post Jan 25 2005, 12:20 AM
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it would be easier to bring back the concorde
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Hawker
post Jan 25 2005, 01:03 AM
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Yea if it could make money...... PFFFT



Cold Day in Hell!
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rjb4000
post Jan 25 2005, 01:04 AM
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haha it would make more than a VTOL jet with rockets lol
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Flare
post Jan 25 2005, 01:24 AM
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VTOL commercial aircraft are called helicopters :lol:

As for VTOL jumbo's, i doubt it.
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rjb4000
post Jan 25 2005, 01:27 AM
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helicopters arent cheap lol

cessna 172 - 100 h/r

blackhawk - 8,000 h/r
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Archangel
post Jan 25 2005, 03:07 AM
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wow $8000 per hour. wonder why something like a bell 407 could be like $600 per hour but a blackhawk which may be bigger but not my a huge amount costs as much as you say. hmmm
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bernoulli
post Jan 26 2005, 01:40 AM
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QUOTE(rjb4000 @ Jan 24 2005, 08:19 PM)
QUOTE(Bernoulli @ Jan 24 2005, 02:16 PM)
Just a thought, I think that I read somewhere that the Saturn V rocket used 12 tons of propellant per second during the first stage of liftoff. How's that for a fuel bill? :huh:

let's see thats 24000 pounds per second, at the average price of gas 4.00 a gal and a conversion rate of 6.9999 pounds per gallon, thats 3,428 gallons per second.. multiply that by 4 and you get:

13,714 dollars per second...

on an average flight time of 4 hours thats 14,400 seconds for a total price of:

197,481,600 dollars per flight

now

at an average of 200 people per flight, thats

$987,408 per person!

icon_surprised.gif

My Visa Card doesn't go nearly that high, unfortunately. Maybe I'll stick to reading about it.
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