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#10351 | ||||||||||||||||||
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Hey Ya'll....watch this....
![]() Join Date: Aug 2007
Location: Roanoke Rapids, NC
Posts: 57
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Cool.....that looks a whole lot easier to build than this thing....NRL's XFC UAS Achieves Flight Endurance Milestone The Naval Research Laboratory has completed a successful flight test of the fuel cell powered XFC (eXperimental Fuel Cell) unmanned aerial system (UAS). During the June 2 flight test, the XFC UAS was airborne for more than six hours. NRL's Chemistry and Tactical Electronic Warfare Divisions are developing the XFC UAS as an expendable, long endurance platform for Intelligence, Surveillance and Reconnaissance (ISR). Compared to internal combustion powered vehicles, battery powered UAS are inherently stealthy in that they are relatively free of noise and thermal signature, and are easy to start, operate and maintain. However, they have poor payload capacity and endurance. The electrically powered UAS could have more tactical utility and be a platform for ISR if endurance could be increased.NRL and its fuel cell development and manufacturing partner, Protonex Technology Corporation (Southborough, MA) have addressed these issues by developing a hydrogen fuel cell power plant system that greatly extends endurance and permits increased payload capacity. The technology has been successfully integrated into the XFC UAS, a folding wing, expendable UAS that has a small footprint with a standard lightweight rail launcher. The non-hybridized power plant supports this fully autonomous aircraft and an EO/IR payload for a flight endurance that enables relatively low cost, low altitude, ISR missions of up to seven-plus hours in its current configuration. In its final form, the XFC will be capable of self-launching from a folded configuration with loiter speed of 30 knots and a dash speed of 52 knots. NRL's XFC UAS will be on display in booth 256 at the 2009 Association for Unmanned Vehicle Systems International (AUVSI) meeting in Washington, DC from August 10 - 13.The Office of Naval Research, the Department of Defense's Rapid Reaction Technology Office, and the Office of Technology Transition sponsor this research program. -30- Email
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Jeff Foley Mr. Top Gun 2000, 2003 5 Times Top Gun Master Class winner 5 Times US Nationals Designer Class winner Team JR Team Horizon |
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#10352 |
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increasing thrust........
![]() Join Date: Jan 2006
Location: Raleigh, NC
Posts: 5,011
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Jeff, That config is really interesting. It shows alot of thought and imagination on the designer's part. And your structure is a work of art!
__________________
Vess Propellers - www.vessaero.com Team Horizon - www.team-horizon.com Team Duralite - www.duralitebatteries.com Team Extreme - www.extremeflightrc.com |
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#10353 |
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Gettin' Lower!
![]() Join Date: Apr 2009
Location: Raleigh, NC
Posts: 30
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Seen that Airventure video before that's one of the best aviation videos I think I've ever seen... Hope to be at the field by atleast NEXT weekend... I've had Ulcerative Colitis for about a year now and on my second real bad flair up.. been on the couch for OVER A MONTH now. If anyone knows about the disease.. it's no fun, I'm coming out of it now though and hope to be better to get my planes in the air soon! I'm only 19 so this disease is horrible for me...
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#10354 |
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Gettin' Lower!
![]() Join Date: Apr 2009
Location: Raleigh, NC
Posts: 30
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By the way everyone... I've been looking around for a foamie... I've been sick twice now and the first time I was out for 2 and a half months! I can walk but can't go anywhere.. I have a big cold a sack and would LOVE to get out there and fly a little foamie around it'd probably help me get a little better and get my spirits up...
So if anyone has a foamie pretty much RTF for cheap.. whether it's beat up or even crashed, I would love to buy one... hope one of yall great guys can help me out I'm right near rolesville.. about a 15 minute drive from the field, so I could meet up anywhere really around the raleigh/wake forest/rolesville area, may need parents to drive me until the next few weeks cause I can't really drive now on the meds I'm on but I could meet up |
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#10355 | ||||||||||||||||||
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Bad-ass Super Contributer!
![]() Join Date: Aug 2007
Location: Knightdale, NC
Posts: 1,068
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Robert has a new design that a few of the guys are flying, and has been threatening to throw a cutting party. I bet you could talk one of us in to cutting one out for you if that happens !
Jason
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#10356 | ||||||||||||||||||
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increasing thrust........
![]() Join Date: Jan 2006
Location: Raleigh, NC
Posts: 5,011
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I had no idea that I posted the link to the exact same video that you did! It was sent ot me by a friend and I just passed it on. I guess I should look before I leap. Sorry!
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Vess Propellers - www.vessaero.com Team Horizon - www.team-horizon.com Team Duralite - www.duralitebatteries.com Team Extreme - www.extremeflightrc.com |
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#10357 |
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Doin' it Circus style
![]() Join Date: Oct 2008
Location: Willow Spring, NC
Age: 36
Posts: 875
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It's OK Robert it was worth watching twice anyway.
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#10358 |
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Freak Nasty Aerobatics!!!!!!!!
![]() Join Date: Jan 2006
Location: Goldsboro, North Carolina
Age: 31
Posts: 3,363
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I will sell the tater rake chevyflying,, everyone knows the tater rake
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#10359 | ||||||||||||||||||
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Hey y'all, watch THIS!
![]() Join Date: Feb 2006
Location: Raleigh, NC
Age: 54
Posts: 1,454
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Futaba Hobbico Raleigh-Durham Radio Control Extreme Flight RC RadioActive Airshows |
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#10361 | ||||||||||||||||||||||||||||||||||||
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Bad-ass Super Contributer!
![]() Join Date: Jan 2006
Location: North Mexico
Age: 24
Posts: 20,461
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![]() just kidding Larry
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Christopher Todd VessAero SecraftUSA ExtremeFlightRC 3DHobbyShop HitecRCD
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#10362 |
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increasing thrust........
![]() Join Date: Jan 2006
Location: Raleigh, NC
Posts: 5,011
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Fiddy, is that your latest "Larry target" ( I mean foamy) in your avatar?
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Vess Propellers - www.vessaero.com Team Horizon - www.team-horizon.com Team Duralite - www.duralitebatteries.com Team Extreme - www.extremeflightrc.com |
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#10363 | ||||||||||||||||||
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Bad-ass Super Contributer!
![]() Join Date: Jan 2006
Location: North Mexico
Age: 24
Posts: 20,461
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kindda, it's my old DW 38" Yak. I just rebuilt the nose on it. I'm going to build another 28" DW, and hopefully that will last until the "Urge" is released.
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Christopher Todd VessAero SecraftUSA ExtremeFlightRC 3DHobbyShop HitecRCD
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#10364 | ||||||||||||||||||
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increasing thrust........
![]() Join Date: Jan 2006
Location: Raleigh, NC
Posts: 5,011
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We're gong to have a day at my shop real soon where anyone who wants one can cut out an Urge....stay tuned for the announcement.
__________________
Vess Propellers - www.vessaero.com Team Horizon - www.team-horizon.com Team Duralite - www.duralitebatteries.com Team Extreme - www.extremeflightrc.com |
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#10365 | ||||||||||||||||||
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Bad-ass Super Contributer!
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Last edited by Geckoman; 10-29-2009 at 05:47 PM. |
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| Larry Lewis, sschmidt |
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