#Propeller

2025-12-22
Propeller und Motor einer abgestürzten B-24H Liberator im Fairy Loch bei Gairloch.


#NikonZ7II #NikonZ #NIKON Z 7II | 105mm | f/16 | 1/125s | 28/11/2025

#hess_photography #Photography #Fotografie #Landscapephotography #Landschaftsfotografie #Wreckage #Scotland #Gairloch #Airplane #History #Nature #Desolation #Water #Landscape #Propeller
Ein verbogenes, silbriges Propellerblatt ragt im Vordergrund steil aus dem dunklen, welligen Wasser eines Sees. Weiter hinten im Wasser liegen die massiven, rostigen Überreste eines Sternmotors. Die Szene ist eingebettet in eine karge, braun-beige Hügellandschaft mit dunklen Felsen unter einem trüben, grauen Himmel. Die raue Natur der schottischen Highlands umgibt die einsamen, historischen Trümmerteile.
2025-12-03
Spinning aircraft propeller set against a landscape from the air.
2025-10-05

1/3 What a gorgeous mild summer day. Hung out at the pier at 44th street, lucky to see big boat action.
#NYC #pier #dog #run #Intrepid #battleship #floating #museum #cruise #ship #propeller

Huge propeller on display in the foreground. Huge cruise ship seen, beyond the pier buildings.Dancing waters at the pier. Circle Line cruise ships in background.Rear of Intrepid seen on the right. Then a tall ship, then a tugboat pulling away from both.Looking south from the tip of the pier extension, midtown Manhattan. Bright sun, reflective river.
Makettinfo MagazinMakettinfo
2025-09-10

Yesterday gliders, today we step up: some beautiful propeller-driven trainer aircraft, from classics to modern! ✈️
makettinfo.hu/Jakovlev-Jak-11-
makettinfo.hu/Mentor

UhlenspiegelMichaelHGeisler
2025-08-29

3389

auf dem heissen E-Roller …,
die Katze " "

Kleine Geschenke sind oft die schönsten. Den hätte ich beinahe verloren, den aber dann richtig festgezogen ... !!!

Ich liebe sie 🥰❤

TomKrajci 🇺🇦 🏳️‍🌈 🏳️‍⚧️KrajciTom@universeodon.com
2025-07-31

Successful high power test of the glider's electric motor with the spinner and propeller installed.

I had it at full power: 4600 RPM and 150 amps at 115 volts DC. I conducted this test three times. No problems with vibrations, excessive temperature of the motor or any other components, or rapid draining of the batteries.

This is a major milestone for the electric motor system.

#AvGeek #Aviation #ElectricAircraft #Homebuilt #Glider #DIY #EAA #Motor #Engine #Propeller #Battery #Test #Milestone #Success #Goals

A ships propeller and rudder. These were taking in Bay Ship and Yacht on the San Francisco Bay. I’m pretty sure the boat is an old sand dredger, but I’m not 💯 because I took these a few months ago.


#35 #35mm #film #filmisnotdead #ilford #hp5 #bnw #blackandwhite #oakland #thetown #cali #california #ship #shipyard #rudder #prop #propeller
Stewart Russellscruss@xoxo.zone
2025-05-03
2025-04-30

Quietening Drones

A 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, courtesy of the Slow Mo Guys, 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: The Slow Mo Guys)

#acoustics #flowVisualization #fluidDynamics #physics #propeller #propellerVortex #science #wingtipVortices

Hamburg und UmzubotNdrHamburgNews
2025-03-19

Hamburger Dom 2025: Frühlingsdom ist eröffnet

Neben Neuheiten wie dem Freifallturm "Hangover - The Tower" gibt es auch ein Comeback, die "Alpina Bahn".

ndr.de/nachrichten/hamburg/Ham

2025-03-06

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 #BC some #Quebec sour beer while its still exotic.
Personally I'm looking forward to grabbing some #Driftwood from #BC and #Propeller from #NovaScotia.

youtu.be/NZTK36O1Dvo

2025-02-28

#GutenMorgen
Um die Umweltbilanz dieser Haftnotiz wenigstens ein bisschen zu verbessern wird das Smartphone, mit dem das Foto aufgenommen wurde, mit Ökostrom geladen.

#illustration #comic #Sparwitz #Flugzeug #Propeller #Wochenende #ink #Kaffee

Auf einer gelben Haftnotiz steht "Guten Morgen" darunter bricht ein Propellerflugzeug durch die Wolken. Der müde Pilot denkt:
Endlich Wolkenende!
uk.f.art.roomBexDeptford
2024-12-23

It looks like has grown an extra pair of arms to speed up the making of 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 arrived to the new world to bring annihilation, disease and... a religion with a man nailed on a cross!

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