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Link #2581 | |
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cho~ kakkoii
ModeratorJoin Date: Nov 2003
Location: 3rd Planet
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Link #2583 |
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Obey the Darkly Cute ...
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An aerospace engineer friend of mine used to assert that everyone on the craft has to *believe* the plane/copter can fly
![]() Um, they fly because wings/blades alter the airflow under velocity so that the effective air pressure below the wing/blade is higher than the air pressure above the wing/blade. That pressure differential pushes the craft up with enough force. The rest is just adjusting angle of attack, rudders, and little flaps for direction. Aircraft propeller engines use the same effect to drag the plane forward but no one seems to wonder about that. Aircraft jet engines use blades to suck the air in, heat it, spin it, and force it out the back for a rocket effect.
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Link #2585 |
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Uncountable rationality
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Easy, pixies sprinkle magic fairy dust on the plane...
The wings of an airplane and the blades of a helicopter are designed to create high pressure under the wings/blades and lower pressure above the wings/blades. Like what Vexx said. That isn't all of it though. The wings/blades are also adjusted to an angle so that the air particles will bounce off the bottom of the wing angled slightly downwards to push the plane up. Conservation of momentum and all that jazz.
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Link #2586 |
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✖ ǝʇ ɯıqnɾl ☆
Join Date: Feb 2006
Location: Mortuary : D
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Without the correct design a sports car to can achieve take off but flight is not possible .
Planes get a lift off due to air pressure generated under wings due to forward motion . Helicopter on the other hand achieves this thrust with spinning of blades pushing air downwards
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Link #2587 |
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♪♫ Maya Iincho ♩♬
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Okay here's a forum technical question rather than a silly question
![]() I know we can add a link to our signatures, but is it possible to add multiple links to it? The only current way for me to do this at the moment is to add 3 different images and add a separate link to each of them. ps: I don't wish to add it to the texts
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Link #2588 | |
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Paparazzi
Join Date: Mar 2008
Location: Ice Box
Age: 30
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Link #2590 |
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sleepyhead
AuthorJoin Date: Dec 2005
Location: event horizon
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Adding links to a forum signature image is bad, 1) there is no way to tell where the link is 2) what the link is suppose to do. If you simply wish for non-blue text you simply need to add color code inside the [url] bbcode.
Code:
[url="www.google.com"][COLOR="Black"]Google[/COLOR][/url]
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Link #2591 | |
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AS Ojiisan
Join Date: Nov 2006
Location: Akutabe Detective Agency
Age: 63
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I'm also not sure I understand Aoie_Emesai's question exactly either, but if you're asking about the equivalent of an HTML image map with different active areas, as far as I know escimo is right, you can't define maps in bbcode. That was my first idea when I wanted to have a signature composed of multiple images with links. I then tried putting the images in table cells, but there's no way to set the cell padding and spacing values to zero. Instead, at xris's suggestion I recall, I tried simply concatenating the images, making sure there's no extra space between them like this: [url="image link_url"][IMG]image_url[/IMG][/url][url="next_image_link_url"][IMG]next_image_url[/IMG][/url] Rinse and repeat. In the case of a single signature image, you'd have to divide the image into pieces then use the technique above to reassemble the image with links to the various locations. Perhaps this discussion should migrate over to the Feedback forum if it goes on much longer?
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Link #2592 |
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sleepyhead
AuthorJoin Date: Dec 2005
Location: event horizon
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You do not have images in your signature. But, if you have to look at the statusbar to know what it does it classifies as a hidden link; what's the point of the images being the links in that case.
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Link #2596 |
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Happy~Go~Lucky!
Graphic DesignerJoin Date: Mar 2007
Location: England
Age: 19
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Need help, didn't know where to post this.
I used a currency converter to convert from: 60690 JPY -> 436.319175 GBP thats a big number.. I dont understand it, so simply how much is it?
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Link #2599 | |
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Happy~Go~Lucky!
Graphic DesignerJoin Date: Mar 2007
Location: England
Age: 19
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![]() ![]() How expensive... I better get saving ![]() thanks for your help!
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Link #2600 |
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AS Ojiisan
Join Date: Nov 2006
Location: Akutabe Detective Agency
Age: 63
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The Economist's Big Mac Index uses the price of that sandwich in different countries to calculate discrepancies between exchange rates and "purchasing power parity." People in places like Indonesia and Malaysia are getting a relative bargain, while the Danes must pay through the nose.
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