permison Posted February 26, 2010 Posted February 26, 2010 http://www.wired.com/autopia/2010/02/euroc...o-whisper-mode/ Eurocopter engineers have developed a new kind of rotor blade that attenuates this problem. It's called Blue Edge, and—as you can hear—it works beautifully: The new blade shape is combined with another technology called Blue Pulse, which adds three flaps to the edge of the rotor blades. These flaps move up and down at 15 to 40 times per second, using piezoelectric motors that also help to reduce the blade-vortex interaction Quote
permison Posted February 26, 2010 Author Posted February 26, 2010 wonder what this guy would say about it. http://www.youtube.com/watch?v=zA1hyqA6UTY Quote
Lindsey Posted February 26, 2010 Posted February 26, 2010 wonder what this guy would say about it. http://www.youtube.com/watch?v=zA1hyqA6UTY He would probably scream about it being a STEALTH ATTACK HELICOPTER COMING TO HUNT HIM DOWN FOR HIS PREVIOUS COMPLAINTS!!!!!@#$@#!ONE! :D Quote
jumpngonuts Posted February 27, 2010 Posted February 27, 2010 wonder what this guy would say about it. http://www.youtube.com/watch?v=zA1hyqA6UTY lmao wow thank god he didn't have a 12ga with some deer slugs! Quote
Lindsey Posted February 27, 2010 Posted February 27, 2010 Does anyone else think this is sad? I mean, like, rotors just sound incredible! Quote
Wally Posted February 27, 2010 Posted February 27, 2010 That won't be inexpensive, kinda counter-productive in a market that's aggressively 'controlling costs'. Quote
Goldy Posted February 28, 2010 Posted February 28, 2010 Does anyone else think this is sad? I mean, like, rotors just sound incredible! Hmm, I agree, BUT.. I can fly the old R44, OR I can fly a brand new EC 155 with the latest blade technologies. Let me think about it. Goldy Quote
jumpngonuts Posted March 1, 2010 Posted March 1, 2010 I'd take a brand new 407 that still sounds like a real helicopter Quote
Grant B Posted March 2, 2010 Posted March 2, 2010 Though this is cool and unique for helicopters - it's not totally new science. Noctua make some of the best cooling solutions for computers which employ similar quietening methods with their fans: http://noctua.at/main.php?show=nf_p14_blad...sign&lng=en Quote
EAGLE1 Posted March 2, 2010 Posted March 2, 2010 The only thing that sounds like a "real" helicopter is a Huey! Noisy as hell to most, but sweet music to my ears! Quote
permison Posted March 2, 2010 Author Posted March 2, 2010 The only thing that sounds like a "real" helicopter is a Huey! Noisy as hell to most, but sweet music to my ears! Amen brother! Quote
67november Posted March 2, 2010 Posted March 2, 2010 The only thing that sounds like a "real" helicopter is a Huey! Noisy as hell to most, but sweet music to my ears! I'll second that Quote
67november Posted March 4, 2010 Posted March 4, 2010 something to chew on http://www.airspacemag.com/military-aviati..._quiet_one.html Quote
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