"First flapping, two-winged aircraft takes flight"


	"First flapping, two-winged aircraft takes flight"

cakebelly

7-27-2009 1:44 PM

180 views

cakebelly says:

more: "It's extremely complicated and technically challenging to come up with ways to control an aircraft with two flapping wings,"said Matt Keennon of AeroVironment, "but this is the closest anyone has come to a rudderless, flapping aircraft."

AeroVironment wouldn't explain how the two wings accomplish flight, citing its contract with the Defense Advanced Research Projects Agency (DARPA).

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/b24f64ec-ef40-4ff3-908f-4754e45b9b17/C13573AB-2FBA-4331-A49F-19C7E33429D5/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science" href="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science" style="font-size: 11px;">www.msnbc.msn.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.msnbc.msn.com/img/A0D64B8C-90FE-48BA-9338-C3C02C75FFEF" alt="Image: Flapping, rudderless aircraft" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science">artist's rendering</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>The world's first successful flight of a self-powered, rudderless, flapping aircraft has been achieved by engineers from <A href="http://www.avinc.com/">AeroVironment</A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>The NAV, or nano air vehicle, operates by using two flapping wings, which also function as the rudder, elevators, ailerons and engine. With its two wings, the NAV is able to hover, move forward and backwards, and change its elevation. In flight, the NAV almost appears to replicate the movements of a <A href="http://animals.howstuffworks.com/birds/hummingbird-info.htm">hummingbird</A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>Simplified, most <A href="http://science.howstuffworks.com/airplane.htm">airplanes</A> and <A href="http://science.howstuffworks.com/helicopter.htm">helicopters</A> today fly using the same principle: Air rushing over a shaped and immovable wing (or helicopter blade) produces an area of high pressure below the wing and an area of low pressure. The difference pushes the wing up in the direction of low pressure, creating lift.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32128989/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>An airplane is steered using adjustable flaps on the ends of the wings and at the tail, which also help steady the aircraft.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C13573AB-2FBA-4331-A49F-19C7E33429D5/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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