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Out Of This World Concept Can It Be Done?  
User currently offlineJumboJim747 From Australia, joined Oct 2004, 2464 posts, RR: 45
Posted (1 year 10 months 1 week 1 day 12 hours ago) and read 3040 times:
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I think the way aircraft take off and land is outdated why hasn't anyone thought of a way they can take off and land an aircraft other then what is available today.
The harrier jet concept is good but maybe not feasible in commercial aircraft.
I'm asking this because they tell us that this is the most dangerous part of a flight.
If we can eliminate the danger flying will be a lot more safer


On a wing and a prayer
6 replies: All unread, jump to last
 
User currently offlineStarlionblue From Greenland, joined Feb 2004, 16991 posts, RR: 67
Reply 1, posted (1 year 10 months 1 week 1 day 12 hours ago) and read 3009 times:

Quoting JumboJim747 (Thread starter):

I think the way aircraft take off and land is outdated why hasn't anyone thought of a way they can take off and land an aircraft other then what is available today.
The harrier jet concept is good but maybe not feasible in commercial aircraft.
I'm asking this because they tell us that this is the most dangerous part of a flight.
If we can eliminate the danger flying will be a lot more safer

Taking off and landing are not the most dangerous parts of flying because of how they are performed. They are the most dangerous parts because they are:
- High workload.
- Close to the ground.
- Low speed.

You have to leave the ground at some point, and come back at some point. The dangers will remain even if you, say, use catapult launches and arresting gear.



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineDocLightning From United States of America, joined Nov 2005, 19378 posts, RR: 58
Reply 2, posted (1 year 10 months 1 week 1 day 10 hours ago) and read 2925 times:

Quoting Starlionblue (Reply 1):

You have to leave the ground at some point, and come back at some point. The dangers will remain even if you, say, use catapult launches and arresting gear.

But what about conveyor belts?   


User currently offlineStitch From United States of America, joined Jul 2005, 30548 posts, RR: 84
Reply 3, posted (1 year 10 months 1 week 1 day 9 hours ago) and read 2918 times:
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Quoting JumboJim747 (Thread starter):
The harrier jet concept is good but maybe not feasible in commercial aircraft.

Vertical Take-Off and Landing is far more dangerous than a rolling take-off or landing.


User currently onlineMir From United States of America, joined Jan 2004, 21510 posts, RR: 55
Reply 4, posted (1 year 10 months 1 week 1 day 8 hours ago) and read 2889 times:

Quoting DocLightning (Reply 2):
But what about conveyor belts?

That will be far more dangerous, as you'll have people getting into fistfights over whether that plane was really supposed to take off or not.

Quoting Stitch (Reply 3):
Vertical Take-Off and Landing is far more dangerous than a rolling take-off or landing.

   More dangerous than catapults or arresting gear, too.

-Mir



7 billion, one nation, imagination...it's a beautiful day
User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 5, posted (1 year 10 months 1 week 1 day 6 hours ago) and read 2842 times:

Quoting JumboJim747 (Thread starter):

I think the way aircraft take off and land is outdated why hasn't anyone thought of a way they can take off and land an aircraft other then what is available today.

Lots of people have thought of lots of ways. The problem isn't nobody thinking of another way, the problem is that nobody has, yet, figured out how to do it better than we're doing it now.

I'm curious what you think about the current method is "outdated."

Quoting JumboJim747 (Thread starter):
The harrier jet concept is good but maybe not feasible in commercial aircraft.

Definitely not feasible. In addition to being far more dangerous, it's much more complex and an economic dead end with current fuel and powerplants.

Quoting JumboJim747 (Thread starter):
I'm asking this because they tell us that this is the most dangerous part of a flight.
If we can eliminate the danger flying will be a lot more safer

The reason none of the alternatives have taken off (pun only slightly intended) is that they're not safer. As others said, you have to get close to the ground in order to takeoff or land. And getting too close to the ground is called "crashing".

Tom.


User currently offlineJumboJim747 From Australia, joined Oct 2004, 2464 posts, RR: 45
Reply 6, posted (1 year 10 months 1 week 1 day 5 hours ago) and read 2822 times:
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Thanks guys
Some really interesting points i have taken what all you have said on board.
Appreciate the input



On a wing and a prayer
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