Welcome to The School of Flight! Just follow the blue boxes and markers to discover this Zero Emission Aviation Project and somewhat special elementary flying school of mine. Click on each headline to go to the next waypoint or choose one of the links below. On April 8 and 9 2025 I, PB, was attending the Hydrogen and Battery Summit for Sustainable Aviation at the Aero air fair in Friedrichshafen (Germany) again, a two day marathon of engineers and developers discussing the latest developments in batteries, hydrogen tank systems, fuel cells, electric engines, airfoil designs .. I named this click trail after it. Enjoy the views ..
PCB (Author) • Battery and Hydrogen • Clicktrail
< Enter name and password (as stated) once to continue on the trail ..
PCB (Autor) • language • teach and learn
PS. Ein nach hinten verlagerter Massenschwerpunkt und etwas zusätzlicher Auftrieb
Was hat es mit den Vogelskizzen oben auf sich? (1) Der Massenschwerpunkt (Center of Gravity, CG) von Flamingos, Schwänen (..) mit ihren langen Hälsen befindet sich weit hinten Richtung Schwanz. Der CG ist der der Punkt um den sich der Vogel (oder das Flugzeug) ausbalanciert, und da sich in diesem Fall das Zentrum des Auftriebs (Center of Lift, CL) an den Flügeln ebenfalls weit hinten befindet, liegt der Vogel immer noch sehr stabil in der Luft. Je weiter dieses Zentrum der Schwerkraft und die Kraft des Flügels auseinanderliegen, desto instabiler werden Tier oder Fluggerät. Bei (2) geht es darum, dass die langen Federn an den Flügelenden von Falken, Raben (..) beinahe wie Slots funktionieren, (eher seltene) spezielle Klappen, die Spalten und Flächen an den Vorderkanten von Flugzeugtragflächen bilden, um den Auftrieb zu erhöhen. Außerdem teilen die einzelnen Federn den großen Luftwirbel am Ende des Flügels in mehrere kleine Wirbel auf und reduzieren so den Luftwiderstand. Wow! So früh schon so viele kuriose Wortschöpfungen und Effekte! Aber keine Sorge, wir werden ihnen noch öfters und in allen möglichen Gewändern begegnen. Für den Falken besonders wichtig: Dieser Extra-Auftrieb an den Flügelenden erlaubt es einem solchen Vogel, engere Kreise in der Thermik, einer Säule von aufsteigender Luft, fliegen zu können, um Höhe zu gewinnen ohne dabei viel eigene kostbare Energie zu verbrauchen.
PCB (author) • Aerodynamics • Birds
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This blog and project is growing slowly but steadily at this point. I, PB (author number one), am learning, teaching, writing, sketching and building this whole thing here one click, thought, pen stroke, coffee at a time. I am presenting the core ideas here but in the end (wich is near) it will all be very much refined by a designer and programmer. There is more to come. Stay tuned.
Current upload is: Step 4 (Beta Version 0.9.4)
Access all 20 steps of the Click Trail via the Login page. Some sections are still „lean cuisine“.
Box Unten TTX CHECK
Days
Hours
Minutes
Seconds
to liftoff (errr) Step 4, the next major update and upload
Scroll down here for more info and prior steps ..
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„20 Steps“ Upload 4 (planned) with all 20 steps, a new domain, new articles and a subscription
„A New Navigation“ Upload 3 on May 25, 2025 with a reworked navigation, new connections & articles
„7 Steps“ Upload 2 on May 19, 2025 with major navigational and lyrical improvements ..
„Landing Page“ Step 1 from May 3, 2025 — The first upload of „The School of Flight“ ever, still on the „Rebellion der Vernunft“ domain .. showcasing the design and core ideas of this new endeavor here ..
PCB (author) • Technology • Propulsion systems
Leonardo might be a little bit overused these days .. Leonardo here .. Leonardo there .. not too long ago you could see his infamous Mona driving a Fiat Cinquecento, now you’ll find his Vitruvian Man on every electronic healthcare card in Germany, but still, hey, he was a really special guy! No wonder all those people and companies love him so much. And as far as the flying goes — he might be impossible to match, no one really can fill this huge space from ground breaking art to flying machines the way he did. So much for the introduction. Now a little quote:
„Leonardo draws these fantastic flying machines .. maybe it was Leonardo’s biggest dream to be able to fly like the birds in the sky .. because flying means the biggest freedom of motion any living being can have“ Carlo Vecce, one of da Vinci’s biographers. I would assume that most humans share that dream. And I vow to search, find, and describe many more visionaries that fill those spaces I mentioned.
PS. Sketch on the right: PB tries to imitate LDV, the master (at least it’s a first step)
go to section > Mensch
The smaller planes are not just some toys by rich people flying around aimlessly polluting the skies above your head, but they are many, many things at the same time and they can actually lead the way in the transformation from fuel burning engines (kerosene, gasoline, diesel) over sustainable aviation fuel (SAF) to much cleaner hydrogen burners and finally completely emission free motors powered by batteries and/or hydrogen fuel cells. It takes decades to achieve a major transformation in this field for all of aviation and it never has to be a 100 % but you gotta start somewhere and from my point of view there is a very simple motto to this:
Create new solid tech platforms and patterns. Transform. The more — the sooner and faster — the better.
P.S. for those not familiar with the term „General Aviation“ (GA) — it is the smaller cousin of „Civil Aviation“ with its medium to big sized passenger planes. GA entails a wide range from business aviation (the jets most hated by environmental groups because of their sometimes pretty lousy fuel burn to passenger/cargo ratio) down to the smallest ultralight planes used mainly for basic training and sports flying whose newest models today are beating cars in efficiency, so GA is quite a diverse field.
PCB (author) • discussion • technology • combustion engines • climate
No matter whether you are an airline pilot in search for comic birds, someone who always dreamed about taking the controls of a machine in the air or eager to take off in a physics lab with two wings (even the smallest planes have crazy instrumentation today), an environmental activist tired of glueing him- or herself to the runway who wants to try out a control stick for a change, someone who actually took a lesson or two once and maybe shies away from the costs of flight training and/or struggles to understand the world of licenses and flight schools. Whatever your goal is, I’d say: when there’s a will - there’s a way. It does not have to be a license, but I do believe that the more of the average population knows and understands about flying and gets a feel for it, the better. Dreamers and low time pilots can check out the Air Stairs Project hidden somewhere in this blog (or whatever you might call it).
PCB (author) • teach and learn • Grundschule • Air Stairs
BEWARE!!
PCB (author) • discussion • technology
PCB (Author) • Navigation • Charts
since yellow submarines are a thing of the past .. let me introduce the Yellow Plane ..
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