@hopfgeist@digitalcourage.social
@hopfgeist@digitalcourage.social avatar

hopfgeist

@hopfgeist@digitalcourage.social

Safety Engineer, Dad, Husband, Musician, Pilot. Not necessarily in that order.

Moderator of the German-language flying community on lemmy: !flying

I toot and boost whatever tickles my fancy, mostly about flying and aviation and music.

This profile is from a federated server and may be incomplete. Browse more on the original instance.

eigengott, to random German
@eigengott@mstdn.social avatar

Reminder: die Naturgesetze gelten, auch wenn man sie nicht kennt oder ihre Folgen ablehnt.

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@eigengott
Gebot: du sollst nicht

Gesetz: du darfst nicht

Naturgesetz: du kannst nicht.

Hypx, to Hydrogen
@Hypx@mastodon.social avatar

Hydrogen-powered aircraft in development by Australian company AMSL Aero aims for net zero aviation

https://www.abc.net.au/news/2024-05-13/hydrogen-electric-powered-aviation-net-zero-target/103728122

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@Hypx Another announcement of a #vaporware project for #bamboozling investors into funding some more #greenwashing. Wonderful.
🤮
And I say that as a big fan of both renewable energy and aviation. But this won't work on so many levels.
"Traditional" #SAF aren't great, either, but still vastly more practical, and, at least mid-term, a lot greener than typical hydrogen, and compared to actual "green" hydrogen, dirt cheap.

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@Hypx You are telling me this is a practical aircraft that can reliably carry goods or passengers 1000 km and be turned around (i. e. refueled with hydrogen) quickly? What is flying (perhaps, see below) is a technology demonstrator.

This is like saying the Boom supersonic airliner is already flying, when in reality only a tiny technology demonstrator has been flown. Once, at low speeds and with the gear down. The Boom Overture supersonic airliner is, and remains, vaporware. It is telling that most pictures of the AMSL Aero are CGI, and I cannot find any video of a flight.

EDIT: the only picture showing "flight testing" is a still image showing a tethered hover. I'm not impressed.

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@Hypx I'm not saying it's impossible. But hydrogen will remain highly impractical and very expensive for a long time. Maybe forever. Sure, demonstrators will work to lure in investors. But that's where it will end.

jensclasen, to random German
@jensclasen@mastodon.social avatar

The German prefix "ur-" is a time machine. Unfortunately, it only has one setting: to WAY back. A few examples:

alt = old
uralt = very old, ancient

Wald = forest
Urwald = primeval forest, jungle

Zustand = condition
Urzustand = original condition

Großmutter = grandmother
Urgroßmutter = great-grandmother
(here, each added "ur-" will make you jump back one more generation)

Funny: "Uhr" means "clock", so the "Ur-Uhr" would be the first clock ever - if someone finds it.

Enjoy ur-language!

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@jensclasen Also "Urkunde", with "Kunde", while also meaning "customer", is an archaic word for tale, or a piece of news, means an original or official document, or a certificate, the forging of which is a crime ("Urkundenfälschung").

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@b_age @jensclasen In some cases that's used in Germany, e. g. "urkomisch".

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@b_age @jensclasen Was anderes als urkomisch fällt mir gerade gar nicht ein, aber das würde ich auch hier in Westfalen für relativ normal halten, wenn auch vielleicht etwas altmodisch.

infobeautiful, to random
@infobeautiful@vis.social avatar

WARNING! This image may trigger PINSecurity.

From an analysis of 3.4m PIN code leaked from several data breaches https://informationisbeautiful.net/visualizations/most-common-pin-codes/

A diagonal line of ‘heat’ from bottom left to top right reveals people choosing double digits (2323, 6868 etc). A strong horizontal line at the 19 point shows people using their birth year as a PIN code (1971, 1998 etc). And a large amount of heat in the bottom left shows how people commonly use their birthdate in a MM/DD or DD/MM format. The most common code in the set is 1234.
The Top 20 most common 4 digit PIN numbers, as revealed by an analysis of data breaches, constitute 27% of all PIN numbers. They are 1234, 1111, 0000, 1212, 7777, 1004, 2000, 4444, 2222, 6969, 9999, 3333, 5555, 6666, 1122, 1313,8888,4321,2001,1010

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@infobeautiful Which just proves my point that it's a bad idea to let people choose their own PIN. Getting assigned a number randomly is a bit safer. (Although Chip+4-digit-PIN isn't great in the first place: https://murdoch.is/papers/oakland10chipbroken.pdf).

jensclasen, to random German
@jensclasen@mastodon.social avatar

Some German nouns are used completely out of context:

Bock = goat
Ich habe keinen Bock (I have no goat) = I don't want to

Wurst = sausage
Das ist mir Wurst (That's sausage to me) = I don't care

Besen = broom
Ich fress einen Besen (I eat a broom) = I don't believe this

Keks = cookie
Du gehst mir auf den Keks (You go on my cookie) = You're annoying me

Bahnhof = train station
Ich verstehe nur Bahnhof (I understand only train station) = I don't understand anything

❓
🤔

Enjoy our language!

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@jensclasen To translate "Bock" as "goat" seems a rather narrow special case. It is more appropriately translated as buck (which is specifically a male goat, or the male in any of several other species). Goat in general is "Ziege".

I mostly enjoy these language special uses, but would enjoy them more if they were more accurate.

ned, to random
@ned@mstdn.ca avatar

"What is happening at Boeing is happening in every industry. A general trend toward financialisation & hedge fund culture that sees only numbers, not peoples lives or wellbeing. It's just that aviation has a way of making the corruption impossible to hide. It's the dead canary." - Ben King

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@woo @ned Aviation regulation has largely been able to escape enshitification. Oversight works astonishingly well. Some high-profile accidents notwithstanding, commercial aviation is still mindbogglingly safe, because by and large, shortcust aren't tolerated. The way accident investigations and many airlines work, you can make it know when you made a mistake (via ombudspersons if necessary) so everyone can lern. Blaming the individual does happen, and people need to take responsibility for their actions and cannot be reckless, but the industry as a whole has learned that a no-blame Just Culture is the safer (and, ultimately, also more profitable) way to do things.

"If you think safety is expensive, wait till you have an accident."

echo_pbreyer, to random German
@echo_pbreyer@digitalcourage.social avatar

Urteil: EU-Verordnung zur Fingerabdruckpflicht in Personalausweisen ist mit Wirkung ab 2027 ungültig! Ein Etappensieg - danke @digitalcourage !

Auch wenn der Gerichtshof die Abnahme der Fingerabdrücke der gesamten Bevölkerung leider nicht in der Sache beanstandete, hat der Fingerabdruckzwang nur bei Einstimmigkeit und Einigkeit aller EU-Regierungen eine Zukunft.

Ich appelliere an die Ampelparteien, diese Überwachungsaltlast der GroKo auslaufen zu lassen! Der gesamten Bevölkerung wie sonst nur Tatverdächtigen zwangsweise die Fingerabdrücke abzunehmen, ist durch allenfalls minimale Sicherheitsgewinne nicht zu rechtfertigen und erinnert an dunkle Zeiten unserer Geschichte. In Großbritannien gibt es bis heute überhaupt keine Personalausweise, zumal längst nicht jeder ins Ausland verreist.

Pressemitteilung des Gerichtshofs: https://curia.europa.eu/jcms/upload/docs/application/pdf/2024-03/cp240050de.pdf

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@echo_pbreyer @digitalcourage Das ist aber leider sehr schönfärberisch dargestellt. Wenn ich das richtig verstehe, bleibt die Verordnung bis Ende 2026 in Kraft. Und wenn sich alle EU-Mitgliedsstaaten bis Ende 2026 einigen, wird es eine Folgeverordnung geben.

Das als Sieg hinzustellen ist schon gewagt. Der EuGH hat eigentlich nur Verfahrensfehler gerügt, findet Fingerabdrücke im Personalausweis aber grundsätzlich wichtig und richtig:
Schon die Überschrift des verlinkten Artikels lautet: "Die Verpflichtung zur Aufnahme von zwei Fingerabdrücken im
Personalausweis ist mit den Grundrechten auf Achtung des Privatlebens
und auf Schutz personenbezogener Daten vereinbar". ☹️

chrismarquardt, to random
@chrismarquardt@chaos.social avatar

Hear me out.. Rotorblätter von Windkraftanlagen sind doch eigentlich auch nur Flugzeugtragflächen. Könnte man die da nicht einfach außen anbringen?!
https://social.asraelvudogel.de/@asraelvudogel/112115663355228706

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@vampirdaddy @chrismarquardt Außerdem ist das Profil auch für einen An-/Auftriebsrotor genau falsch herum. Turbinen sind keine Propeller. (Es gibt Elektroflugzeuge mit Energierückgewinnung, die opfern einen kleinen Teil der Propeller-Effizienz, damit die Turbinen-Effizienz nicht so abgrundtief schlecht ist, für ein Gesamt-Optimum im Platztrunden-Trainings-Betrieb.)

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@vampirdaddy @chrismarquardt Der Rotor beim Tragschrauber ist beides: innen Turbine und außen Tragfläche. Die einfachsten Designs haben fast symmetrische Profile, das macht es einfacher, und ist oft "gut genug". Gyrocopter sind ja keine Hochleistungsfluggeräte

Kermit Weeks erklärt das ganz gut, bzw. lässt es sich erklären:
https://yewtu.be/watch?v=eixDsVLmNqA

Volksverpetzer, to random German
@Volksverpetzer@digitalcourage.social avatar

Zweiter Verhandlungstag in vor dem . gegen den und der Frage, ob die AfD als Gesamtpartei ein rechtsextremer Verdachtsfall ist. Heute könnte es die Entscheidung geben. Wir sind wieder dabei mit einem Thread. 👇

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@Volksverpetzer Ich hab in einem Radiokommentar heute morgen gehört, selbst die Anwälte der AfD hätten gesagt, dass sie für ihre Anträge nochmal mindestens 25 Stunden bräuchten. Aber "das hat nichts mit Prozessverschleppung zu tun!"

Volksverpetzer, to random German
@Volksverpetzer@digitalcourage.social avatar

In einer AfD-Gruppe wird ein Beitrag vom Postillon geteilt über die fiktive Verschwörungserzählung von Chemtrails. Sie hoffen, dass die AfD an die Macht kommt, damit ein fiktiver Pilot einen fiktiven Job zurückbekommt. AfD-Fans glauben einfach alles und sei es noch so absurd. https://www.volksverpetzer.de/aktuelles/afd-feiern-chemtrail-postillon/?utm_source=mstdn

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@Volksverpetzer Was nicht ganz stimmt, ist, dass moderne Triebwerke "mehr Wasserdampf ausstoßen". Wasser ist ein normales Verbrennungsprodukt von Kohlenwasserstoffen, und moderne Triebwerke verbrauchen weniger, und machen damit auch weniger Wasserdampf.

touaregtweet, to random
@touaregtweet@mastodon.social avatar

And still the list is not complete.
(But it would be nice if the media played this clip every day)

video/mp4

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@JonChevreau @touaregtweet I have seen interviews with MAGA-Republicans saying they would vote for him even if he had murdered someone, because "Trump is the only one who loves this country." 😮 🤮

drahardja, to technology
@drahardja@sfba.social avatar

published an AWESOME video about the very unlikely invention of the blue LED. It’s an incredible story and you really should view it. It also contains the best visualization of semiconductors I’ve ever seen.

I witnessed the drama of the blue LED live in the 1990s. I watched tech magazines show dim blue prototypes for years until Nichia suddenly burst on the scenes with a bright blue LED and it changed the world. I watched as they created their first white LEDs ($1 apiece) which I gawked at in person. I was at Honeywell when they finally made white LEDs in surface-mount format (still $1 apiece). We used 50 of them as the backlight in the aviation GPS navigator I worked on (at $50 the backlight was one of the most expensive components in the whole system). They were so hot (100 mW each for a total of 5 W) we used them as heaters when the unit was below operating temperatures.

When I read about how Nakamura got screwed by Nichia, I was livid.

https://www.youtube.com/watch?v=AF8d72mA41M

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@drahardja I think we have one of those in our C172. Are there still database updates for it?

gfkdsgn, to Aviation German
@gfkdsgn@burma.social avatar

While he started three years prior, Otto Lilienthal took the invented glider on his first successful flight in 1894. It wasn't much more than 7 Seconds, but his achievement changed the world of aviation forever. Even the Wright brothers been well aware of the "flying man" from Berlin, but the TNYT missed to mention the pioneers like Lilienthal and Gustav Whitehead, five years after the very first motor flight, in their front page report about the Wright apparatus 1906.

However, in 2024 we can celebrate the 130th anniversary of this historic event and share our portrait with you.

"FIRST IN FLIGHT" doc film
https://youtu.be/7leqLcgIMCM

@art work Made with @inkscape , not or

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@gfkdsgn @art @inkscape Neglecting is unforgivable, but (or Weißkopf) has only extremely weak to nonexistent evidence to back up any claims of prior flights. Somewhat better than Karl Jatho, whose machines didn't have the slightest chance of flying, Whitehead's apparatus was reasonably designed, but all flying replicas had had substantial changes made to them to bring them into the air. Among other things, at the beginning of the 20th century, only the Wrights had efficient propellers, which were absolutely necessary to achieve enough thrust with the weak and heavy engines of the time. It is doubtful that Whitehead made contributions of any consequence to the development of powered flight.

clive, to random
@clive@saturation.social avatar

The "world's ugliest airplane" ...

... is the AirTruk

Designed in New Zealand for cropdusting, its ungainly appearance is due to the interesting specs the designer was handed

Trivia: It appeared in Mad Max Beyond Thunderdome

Item #4 in my latest Linkfest newsletter, free to read here and subscribe or hey even support if you can: https://buttondown.email/clivethompson/archive/linkfest-17-medieval-fighting-snails-loud/

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@bgrinter @clive I'm surprised any of these are still flying. It certainly rivals the Belphegor for ugliest plane ever built. But, unlike the Polish abomination from Soviet times, the design premises for the Airtruk were sound.
https://en.wikipedia.org/wiki/PZL_M-15_Belphegor
#aviation #cropduster #airtruk #generalaviation #belphegor

stfn, to Aviation
@stfn@fosstodon.org avatar

Morning rush hour over the Atlantic. Most aircraft are flying on "tracks", a set of routes defined daily to safely separate traffic in areas where there is no radar coverage.

hopfgeist,
@hopfgeist@digitalcourage.social avatar

@stfn Specifically, these are the "North Atlantic Tracks". There are also "Pacific Tracks".
https://en.wikipedia.org/wiki/North_Atlantic_Tracks

An important factor in the daily redefinition is for eastbound flights to take advantage of jet streams, and for westbound flights to more easily avoid them. The eastbound tracks are therefore sometimes quite a bit south of the geometrically shortest great-circle routes.

If the intent was only separation, this wouldn't be necessary.

raymondpert, to Taiwan
@raymondpert@mstdn.social avatar

deleted_by_author

    •
    hopfgeist,
    @hopfgeist@digitalcourage.social avatar

    @raymondpert The thing that annoys me most is to call a "French" plane maker. Yes, the headquarters are physically located in France, but it is a European company, and the German contribution is as big as the French, and many other countries have a substantial share, they are not just subcontractors to the French Overlords.
    This is not just nitpicking, Airbus is registered as a Societas Europaea in the European Union, not as a company in any particular member state: de facto and de jure, Airbus is a company.
    It's like calling a Virginia company.

    hopfgeist, to music
    @hopfgeist@digitalcourage.social avatar

    Lookng forward to pick up my "new" next week: https://www.vintagesynth.com/yamaha/sy77
    🎹
    It will be able to do all that my trusty old II-D could do, and so much more. I don't care too much for the and workstation parts (except that it may give me a usable piano sound), but using different waveforms or even samples in FM synthesis will be exciting and something even many modern synths that cost ten times as much can't do. And the is so underrated that it's currently cheaper than its rack variant or even an original DX7, while retaining its predecessor's superior keybed with .

    So I'll be replacing a 35 year-old instrument with a 32-year-old one.😉

    hopfgeist,
    @hopfgeist@digitalcourage.social avatar

    @devSJR just under €300 for this one. Between 300 and 400 seems normal.

    ai6yr, to Aviation

    Ha, RyanAir (famous for nickel-and-diming people) has a "recently implemented change requires passengers to pay as much as $26 to obtain a digital boarding pass." https://simpleflying.com/ryanair-boarding-pass-fee-charge/

    hopfgeist,
    @hopfgeist@digitalcourage.social avatar

    @ai6yr Wasn't the other way round, that if you failed to obtain your digital boarding pass, you had to pay 50 pounds or something for a printed one at the counter?

    Volksverpetzer, to random German
    @Volksverpetzer@digitalcourage.social avatar

    Laut renommierten Forschern haben wir bereits einen Kipppunkt im Strommarkt überschritten. Diese Technologie ist unaufhaltbar und wird bald weltweit der mit Abstand billigste sein. https://www.volksverpetzer.de/aktuelles/neue-studie-unaufhaltbar-strommarkt/?utm_source=mstdn

    hopfgeist,
    @hopfgeist@digitalcourage.social avatar

    @Volksverpetzer Ich mag euch ja wirklich, und finde die gut recherchierten Texte in der Regel hervorragend. Vielen Dank für euren Einsatz!

    Aber bitte verfallt nicht auch in diese unsäglichen Clickbait-Titel. "Diese Technologie ...". Bitte sagt im Titel, welche Technologie!

    Ich will nicht erst 2 Absätze lesen müssen, um zu wissen, worum es geht, und ob es mich interessiert.

    Danke.

  • All
  • Subscribed
  • Moderated
  • Favorites
  • •
  • provamag3
  • kavyap
  • DreamBathrooms
  • everett
  • magazineikmin
  • InstantRegret
  • ngwrru68w68
  • Youngstown
  • mdbf
  • slotface
  • vwfavf
  • tacticalgear
  • thenastyranch
  • rosin
  • megavids
  • osvaldo12
  • ethstaker
  • GTA5RPClips
  • khanakhh
  • Durango
  • tester
  • normalnudes
  • cisconetworking
  • modclub
  • cubers
  • anitta
  • Leos
  • JUstTest
  • All magazines
    •