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Nicole SharpQuietening DronesA drone’s noisiness is one of its major downfalls. Standard drones are obnoxiously loud and disruptive for both humans and animals, one reason that they’re not allowed in many places. This flow visualization, <a href="https://www.youtube.com/watch?v=5yaAFLpLmVg" rel="nofollow noopener noreferrer" target="_blank">courtesy of the Slow Mo Guys</a>, helps show why. The image above shows a standard off-the-shelf drone rotor. As each blade passes through the smoke, it sheds a wingtip vortex. (Note that these vortices are constantly coming off the blade, but we only see them where they intersect with the smoke.) As the blades go by, a constant stream of regularly-spaced vortices marches downstream of the rotor. This regular spacing creates the dominant acoustic frequency that we hear from the drone. Animation of wingtip vortices coming off a drone rotor with blades of different lengths. This causes interactions between the vortices, which helps disrupt the drone’s noise. To counter that, the company Wing uses a rotor with blades of different lengths (bottom image). This staggers the location of the shed vortices and causes some later vortices to spin up with their downstream neighbor. These interactions break up that regular spacing that generates the drone’s dominant acoustic frequency. Overall, that makes the drone sound quieter, likely without a large impact to the amount of lift it creates. (Image credit: <a href="https://www.youtube.com/watch?v=5yaAFLpLmVg" rel="nofollow noopener noreferrer" target="_blank">The Slow Mo Guys</a>)<a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/acoustics/" target="_blank">#acoustics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/flow-visualization/" target="_blank">#flowVisualization</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/fluid-dynamics/" target="_blank">#fluidDynamics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/physics/" target="_blank">#physics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/propeller/" target="_blank">#propeller</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/propeller-vortex/" target="_blank">#propellerVortex</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/science/" target="_blank">#science</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/wingtip-vortices/" target="_blank">#wingtipVortices</a>

PAIGE! 🍁Woooh! 100 year old trade barriers finally coming down. Not just pulling US alcohol off the shelf, replacing it with Canadian! I'm shipping my family in <a href="https://masto.canadiancivil.com/tags/BC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BC</a> some <a href="https://masto.canadiancivil.com/tags/Quebec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quebec</a> sour beer while its still exotic. Personally I'm looking forward to grabbing some <a href="https://masto.canadiancivil.com/tags/Driftwood" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Driftwood</a> from <a href="https://masto.canadiancivil.com/tags/BC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BC</a> and <a href="https://masto.canadiancivil.com/tags/Propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> from <a href="https://masto.canadiancivil.com/tags/NovaScotia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NovaScotia</a>.<a href="https://youtu.be/NZTK36O1Dvo" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://youtu.be/NZTK36O1Dvo</a>

What's going Dom?<a href="https://rollenspiel.social/tags/GutenMorgen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GutenMorgen</a> Um die Umweltbilanz dieser Haftnotiz wenigstens ein bisschen zu verbessern wird das Smartphone, mit dem das Foto aufgenommen wurde, mit Ökostrom geladen. <a href="https://rollenspiel.social/tags/illustration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#illustration</a> <a href="https://rollenspiel.social/tags/comic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comic</a> <a href="https://rollenspiel.social/tags/Sparwitz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sparwitz</a> <a href="https://rollenspiel.social/tags/Flugzeug" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Flugzeug</a> <a href="https://rollenspiel.social/tags/Propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> <a href="https://rollenspiel.social/tags/Wochenende" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wochenende</a> <a href="https://rollenspiel.social/tags/ink" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ink</a> <a href="https://rollenspiel.social/tags/Kaffee" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Kaffee</a>

Rainer<a href="https://social.anoxinon.de/tags/FotoVorschlag" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FotoVorschlag</a> 'Voll Retro'In einer Antonow AN2 ganz gemütlich herumfliegen.<a href="https://social.anoxinon.de/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a> <a href="https://social.anoxinon.de/tags/Fotografie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Fotografie</a> <a href="https://social.anoxinon.de/tags/Antonow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Antonow</a> <a href="https://social.anoxinon.de/tags/Yakovlev" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Yakovlev</a> <a href="https://social.anoxinon.de/tags/Flugzeug" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Flugzeug</a> <a href="https://social.anoxinon.de/tags/Propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> <a href="https://social.anoxinon.de/tags/Doppeldecker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Doppeldecker</a> <a href="https://social.anoxinon.de/tags/Darktable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Darktable</a> <a href="https://social.anoxinon.de/tags/mywork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mywork</a>

Bytes EuropeSquare, Cash App and Visa Support Small Businesses <a href="https://www.byteseu.com/717656/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.byteseu.com/717656/</a> <a href="https://pubeurope.com/tags/CashApp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CashApp</a> <a href="https://pubeurope.com/tags/KirkStuart" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#KirkStuart</a> <a href="https://pubeurope.com/tags/MingTaiHuh" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MingTaiHuh</a> <a href="https://pubeurope.com/tags/NewOrleans" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NewOrleans</a> <a href="https://pubeurope.com/tags/News" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#News</a> <a href="https://pubeurope.com/tags/PaymentsTechnology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PaymentsTechnology</a> <a href="https://pubeurope.com/tags/Propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> <a href="https://pubeurope.com/tags/PYMNTSNews" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PYMNTSNews</a> <a href="https://pubeurope.com/tags/Restaurants" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Restaurants</a> <a href="https://pubeurope.com/tags/ResTech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ResTech</a> <a href="https://pubeurope.com/tags/Square" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Square</a> <a href="https://pubeurope.com/tags/Technology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Technology</a> <a href="https://pubeurope.com/tags/VISA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VISA</a> <a href="https://pubeurope.com/tags/What" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#What</a>'sHot

uk.f.art.room<a href="https://mastodon.social/tags/MAGA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MAGA</a> <a href="https://mastodon.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> It looks like <a href="https://mastodon.social/tags/donaldtrump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#donaldtrump</a> has grown an extra pair of arms to speed up the making of <a href="https://mastodon.social/tags/america" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#america</a> great although the use of 'again' is very disputable! I cannot think of a period when America was great except for in the time before <a href="https://mastodon.social/tags/columbus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#columbus</a> arrived to the new world to bring annihilation, disease and... a religion with a man nailed on a cross! <a href="https://mastodon.social/tags/posterdesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#posterdesign</a> <a href="https://mastodon.social/tags/printdesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#printdesign</a> <a href="https://mastodon.social/tags/collageart" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#collageart</a>

Manly BlogA hierarchy on the water and on the roadsPaddleboarder has been cut in half by fossil fueled powered tinnie.>> <a href="https://www.abc.net.au/news/2024-12-08/authorities-concerned-possible-fatalities-surfing-gold-coast/104649650" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.abc.net.au/news/2024-12-08/authorities-concerned-possible-fatalities-surfing-gold-coast/104649650</a> <a href="https://aus.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> <a href="https://aus.social/tags/beach" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#beach</a> <a href="https://aus.social/tags/marine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#marine</a> <a href="https://aus.social/tags/habitat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#habitat</a> <a href="https://aus.social/tags/shared" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#shared</a> <a href="https://aus.social/tags/waterways" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#waterways</a> <a href="https://aus.social/tags/surfing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#surfing</a> <a href="https://aus.social/tags/swimming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#swimming</a> <a href="https://aus.social/tags/Paddleboarder" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Paddleboarder</a> <a href="https://aus.social/tags/pedestrians" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pedestrians</a> <a href="https://aus.social/tags/boats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#boats</a> <a href="https://aus.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://aus.social/tags/speed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#speed</a> <a href="https://aus.social/tags/FossilFuel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FossilFuel</a>

FreddyB Aviation PhotographyPossible Bird Strike? USN E-2C flies into a flock of seagulls while working the pattern at Pt. Mugu. Note the blowup it appears part of the wing starting to wrap around the prop <a href="https://sfba.social/tags/USN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USN</a> <a href="https://sfba.social/tags/mugu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mugu</a> <a href="https://sfba.social/tags/ptmugu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ptmugu</a> <a href="https://sfba.social/tags/e2c" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#e2c</a> <a href="https://sfba.social/tags/avgeek" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#avgeek</a> <a href="https://sfba.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://sfba.social/tags/AWACS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AWACS</a> <a href="https://sfba.social/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviation</a> <a href="https://sfba.social/tags/nikon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nikon</a> <a href="https://sfba.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://sfba.social/tags/birdstrike" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#birdstrike</a> <a href="https://sfba.social/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviation</a> <a href="https://sfba.social/tags/seagulls" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#seagulls</a> <a href="https://sfba.social/tags/flockofseagulls" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flockofseagulls</a>

Chuck DarwinEfficiency gains from engines will still be vital for the industry.The most marked change in the appearance of <a href="https://c.im/tags/engines" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#engines</a> could be the return of the open <a href="https://c.im/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a>. The design dispenses with the <a href="https://c.im/tags/nacelle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nacelle</a> – the cover – to allow for a bigger fan that offers more propulsive force. Superficially, it will look like existing turboprop engines, but with the ability to fly at Mach 0.8, or 80% of the speed of sound – the same as current jet engines.<a href="https://c.im/tags/CFM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CFM</a>, a joint-venture between America’s General Electric and France’s Safran, has said that its open fan <a href="https://c.im/tags/Rise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Rise</a> engine could theoretically reduce fuel consumption and carbon emissions by 20%. The company says it can reduce noise, which put paid to a previous prototype in 1986. It will still have to persuade regulators and passengers that the engines will be safe if a blade breaks in midair.As well as radical changes to airframes or engines, manufacturers are constantly looking for ways to salami-slice <a href="https://c.im/tags/fuel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fuel</a> burn via small gains.<a href="https://c.im/tags/Winglets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Winglets</a>, the curved tips of wings, were first introduced in the 1970s in response to the then oil crisis, mimicking birds’ wings to reduce drag. The split winglets on the 737 family since 2014 can reduce fuel burn by as much as 2% during a long journey, according to the Seattle-based manufacturer Aviation Partners. (For plane-spotters, they double as the easiest way to distinguish a 737 from an A320.)Birds have had millennia to evolve the ideal features for efficient flight, so aviation designers have constantly used them for inspiration. Airbus is experimenting with <a href="https://c.im/tags/gust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#gust</a> <a href="https://c.im/tags/sensors" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sensors</a> on the front of the aircraft to register during turbulence, with automatic responses from control surfaces of the wing, similar to a bird’s constant adjustments to movements in the air.<a href="https://c.im/tags/Concorde" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Concorde</a>, which flew on only a limited number of routes, was the last passenger plane in service with a truly distinctive design. The supersonic jet, which had swept-back, delta wings, was retired in 2003. <a href="https://c.im/tags/Boom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Boom</a> <a href="https://c.im/tags/Supersonic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Supersonic</a>, a startup, is testing the technologies for a proposed “son of Concorde” with a similar look.That plane would only ever be a niche service, flying 80 passengers at a time on premium routes. But there is a possibility that Boeing and Airbus take radically different approaches to the workhorses that carry billions of passengers each year.If the manufacturers go in different directions, then passengers might start paying serious attention to plane design, says Addison Schonland, an analyst who tracks the industry at AirInsight.“I don’t think we’ve ever had a situation before, to look at an aeroplane and say, ‘that’s completely different’,” he says. “How will people react to seeing those novel shapes?”(3/3) <a href="https://c.im/tags/Airbus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Airbus</a> <a href="https://c.im/tags/JetZero" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JetZero</a> <a href="https://c.im/tags/Delft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Delft</a> <a href="https://c.im/tags/University" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#University</a> <a href="https://c.im/tags/McKinsey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#McKinsey</a> <a href="https://c.im/tags/fuel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fuel</a> <a href="https://c.im/tags/efficiency" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#efficiency</a> <a href="https://c.im/tags/Boeing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Boeing</a> <a href="https://c.im/tags/truss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#truss</a> <a href="https://c.im/tags/transonic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transonic</a>

IT NewsBrass Propeller Gets Impressive Hand Trimming - Whether you’re a landlubber or an old salt, you’ve got to appreciate the effort th... - <a href="https://hackaday.com/2024/09/22/brass-propeller-gets-impressive-hand-trimming/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hackaday.com/2024/09/22/brass-propeller-gets-impressive-hand-trimming/</a> <a href="https://schleuss.online/tags/transportationhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transportationhacks</a> <a href="https://schleuss.online/tags/metalworking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#metalworking</a> <a href="https://schleuss.online/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://schleuss.online/tags/boat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#boat</a>

Bobbing BoatFrom the engine compartment, the drive shaft pierces the hull to connect to the boat propeller in the water.There's a weed hatch above the propeller. With the engine switched off, you open that hatch and reach into the water to clear weeds and tangled debris off the propeller.Today it was a fleece blanket wrapped around the ENTIRE propeller. It took a bit of effort to work it free.<a href="https://poweredbygay.social/tags/CanalLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CanalLife</a> <a href="https://poweredbygay.social/tags/canal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#canal</a> <a href="https://poweredbygay.social/tags/boating" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#boating</a> <a href="https://poweredbygay.social/tags/boat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#boat</a> <a href="https://poweredbygay.social/tags/narrowboat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#narrowboat</a> <a href="https://poweredbygay.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://poweredbygay.social/tags/engine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#engine</a> <a href="https://poweredbygay.social/tags/propulsion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propulsion</a> <a href="https://poweredbygay.social/tags/debris" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#debris</a> <a href="https://poweredbygay.social/tags/WeedHatch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WeedHatch</a> <a href="https://poweredbygay.social/tags/maintenance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#maintenance</a>

Clemens Vasters' Pictures 📷North American P-51D Impatient Virgin <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://photog.social/tags/highlight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#highlight</a> <a href="https://photog.social/tags/sky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sky</a> <a href="https://photog.social/tags/plane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#plane</a> <a href="https://photog.social/tags/outdoor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#outdoor</a> <a href="https://photog.social/tags/airplane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airplane</a> <a href="https://photog.social/tags/aircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aircraft</a> <a href="https://photog.social/tags/airtravel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airtravel</a> <a href="https://photog.social/tags/generalaviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#generalaviation</a> <a href="https://photog.social/tags/vehicle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vehicle</a> <a href="https://photog.social/tags/transport" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transport</a> <a href="https://photog.social/tags/flight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flight</a> <a href="https://photog.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://photog.social/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviation</a> <a href="https://photog.social/tags/airracing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airracing</a> <a href="https://photog.social/tags/propellerdrivenaircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propellerdrivenaircraft</a> <a href="https://photog.social/tags/wing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wing</a> <a href="https://photog.social/tags/monoplane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#monoplane</a> <a href="https://photog.social/tags/aerospaceengineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aerospaceengineering</a> <a href="https://photog.social/tags/turboprop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#turboprop</a> <a href="https://photog.social/tags/militaryaircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#militaryaircraft</a> (Flickr 04.09.2016) <a href="https://www.flickr.com/photos/7489441@N06/52529236423" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.flickr.com/photos/7489441@N06/52529236423</a>

Clemens Vasters' Pictures 📷Two P-51 Mustangs at Vintage Aircraft Weekend 2012 <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> #2012 <a href="https://photog.social/tags/avgeek" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#avgeek</a> <a href="https://photog.social/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviation</a> <a href="https://photog.social/tags/aviationphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviationphotography</a> <a href="https://photog.social/tags/everett" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#everett</a> <a href="https://photog.social/tags/military" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#military</a> <a href="https://photog.social/tags/painefield" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#painefield</a> <a href="https://photog.social/tags/vaw2012" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vaw2012</a> <a href="https://photog.social/tags/warbirds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#warbirds</a> <a href="https://photog.social/tags/highlight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#highlight</a> <a href="https://photog.social/tags/vintageaircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vintageaircraft</a> <a href="https://photog.social/tags/vintageaircraftweekend" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vintageaircraftweekend</a> <a href="https://photog.social/tags/sky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sky</a> <a href="https://photog.social/tags/airplane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airplane</a> <a href="https://photog.social/tags/aircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aircraft</a> <a href="https://photog.social/tags/generalaviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#generalaviation</a> <a href="https://photog.social/tags/outdoor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#outdoor</a> <a href="https://photog.social/tags/plane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#plane</a> <a href="https://photog.social/tags/airtravel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airtravel</a> <a href="https://photog.social/tags/vehicle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vehicle</a> <a href="https://photog.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://photog.social/tags/propellerdrivenaircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propellerdrivenaircraft</a> <a href="https://photog.social/tags/monoplane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#monoplane</a> <a href="https://photog.social/tags/transport" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transport</a> <a href="https://photog.social/tags/flight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flight</a> <a href="https://photog.social/tags/airracing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airracing</a> <a href="https://photog.social/tags/wing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wing</a> <a href="https://photog.social/tags/lightaircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lightaircraft</a> <a href="https://photog.social/tags/turboprop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#turboprop</a> (Flickr 01.09.2012) <a href="https://www.flickr.com/photos/7489441@N06/52528685641" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.flickr.com/photos/7489441@N06/52528685641</a>

qbiKrasser Hagelschlag. Gleich der <a href="https://freie-re.de/tags/Propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> abgebrochen. <a href="https://freie-re.de/tags/oe24" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#oe24</a>via <a href="https://x.com/ThomasPoebel/status/1800136317004857509" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://x.com/ThomasPoebel/status/1800136317004857509</a>

FreddyB Aviation PhotographyP-51 Mustang 44-72739 / N44727 "Man O' War" makes a pass at Edwards AFB, October 2022 <a href="https://sfba.social/tags/P51" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#P51</a> <a href="https://sfba.social/tags/mustang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mustang</a> <a href="https://sfba.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://sfba.social/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviation</a> <a href="https://sfba.social/tags/usaf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#usaf</a> <a href="https://sfba.social/tags/aircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aircraft</a> <a href="https://sfba.social/tags/fighter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fighter</a> <a href="https://sfba.social/tags/falcon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#falcon</a> <a href="https://sfba.social/tags/milair" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#milair</a> <a href="https://sfba.social/tags/aviationphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aviationphotography</a> <a href="https://sfba.social/tags/planespotting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planespotting</a> <a href="https://sfba.social/tags/USAF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USAF</a> <a href="https://sfba.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://sfba.social/tags/nikon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nikon</a> <a href="https://sfba.social/tags/militaryaviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#militaryaviation</a>

Norobiik @Norobiik@noc.socialDramatically less <a href="https://noc.social/tags/noise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#noise</a>, more thrust with 20% increase in <a href="https://noc.social/tags/FuelEfficiency" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FuelEfficiency</a>. <a href="https://noc.social/tags/WaterTransport" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WaterTransport</a> --------- <a href="https://noc.social/tags/Transportation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Transportation</a> enters a new era with cutting-edge propellers, offering silent efficiency and <a href="https://noc.social/tags/EcoFriendly" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EcoFriendly</a> benefits. How this <a href="https://noc.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> will change our transport <a href="https://www.msn.com/en-us/money/news/how-this-propeller-will-change-our-transport/vi-AA1m3dCy?ocid=emmx-mmx-feeds&PC=EMMX01" rel="nofollow noopener noreferrer" target="_blank">https://www.msn.com/en-us/money/news/how-this-propeller-will-change-our-transport/vi-AA1m3dCy?ocid=emmx-mmx-feeds&PC=EMMX01</a>

IT NewsSailing (Directly) Into the Wind - Humans have been sailing various seas and oceans for thousands of years, and using... - <a href="https://hackaday.com/2024/02/06/sailing-directly-into-the-wind/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hackaday.com/2024/02/06/sailing-directly-into-the-wind/</a> <a href="https://schleuss.online/tags/transportationhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transportationhacks</a> <a href="https://schleuss.online/tags/remotecontrolled" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#remotecontrolled</a> <a href="https://schleuss.online/tags/catamaran" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#catamaran</a> <a href="https://schleuss.online/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://schleuss.online/tags/sailboat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sailboat</a> <a href="https://schleuss.online/tags/sailing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sailing</a> <a href="https://schleuss.online/tags/upwind" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#upwind</a> <a href="https://schleuss.online/tags/prop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prop</a> <a href="https://schleuss.online/tags/sail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sail</a>

SussexGeoff 🇬🇧<a href="https://pixelfed.social/discover/tags/Aircraft?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aircraft</a> <a href="https://pixelfed.social/discover/tags/VintageAircraft?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#VintageAircraft</a> <a href="https://pixelfed.social/discover/tags/Harvard?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Harvard</a> <a href="https://pixelfed.social/discover/tags/Plane?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Plane</a> <a href="https://pixelfed.social/discover/tags/Aeroplane?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aeroplane</a> <a href="https://pixelfed.social/discover/tags/Airfield?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Airfield</a> <a href="https://pixelfed.social/discover/tags/Sky?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sky</a> <a href="https://pixelfed.social/discover/tags/BlueSky?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#BlueSky</a> <a href="https://pixelfed.social/discover/tags/Propeller?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Propeller</a> <a href="https://pixelfed.social/discover/tags/Photography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a>

Clemens Vasters' Pictures 📷Fairey Gannet <a href="https://photog.social/tags/avgeek" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#avgeek</a> <a href="https://photog.social/tags/aircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aircraft</a> <a href="https://photog.social/tags/faireygannet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#faireygannet</a> <a href="https://photog.social/tags/hermeskeil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hermeskeil</a> <a href="https://photog.social/tags/flugausstellung" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#flugausstellung</a> <a href="https://photog.social/tags/aircraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aircraft</a> <a href="https://photog.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> (Instagram 09.08.2018)

pafurijazNow I would like to have a 3D printer and print this propeller, to see how it works, the more I look at it the more I think there is nothing that it shouldn't work for. <a href="https://mstdn.social/tags/3D" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3D</a> <a href="https://mstdn.social/tags/CAD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CAD</a> <a href="https://mstdn.social/tags/propeller" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#propeller</a> <a href="https://mstdn.social/tags/boat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#boat</a> <a href="https://mstdn.social/tags/ship" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ship</a> <a href="https://mstdn.social/tags/design" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#design</a>

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