Santos Dumont, Wright Brothers, and Propeller Basics

This started off as a video on propellers, then took a turn towards early aviation history and myth busting.
In regards to propellers, I'll cover blade angle, pitch, aspect ratio, efficiency and more.
In regards to history I cover some myths about early aviation and the efforts of the Louis Bleriot, Santos Dumont, the Wright brothers and more.
Before anyone says anything, yes I know the difference between a blimp and a dirigible. However many of Dumont's designs including No. 9 are described as both blimps and Dirigibles and I couldn't find the plans to them, so I used both terms. Also, there is a middle ground in which some airships used blimps with a keel beam.
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Note: This is the second upload of this video. The first was visible to Patreons only. I made some changes to the public version based on Patreon suggestions. The primary changes were to subtitles, which are now easier to read and on screen a bit longer before fading out.

[@GregsAirplanesandAutomobiles]

I want to clarify that I'm a fan of Santos Dumont, and think he should be honored and remembered for what he did. He was a brave, intelligent, and noble man. He solved many problems regarding use of gasoline piston engines on aircraft which caused the French to jump ahead of the world in aircraft engine technology in the early 1900s. He also gave France a head start in airframe building skills with his airships, along with his 14Bis and 14Bis-2. So once they knew the secrets of the Wrights they could jump into building airplanes with both feet and get the lead on the rest of the world. Just because I don't think he invented the airplane doesn't mean that I don't think he should be remembered as a hero.

[@Dr_Reason]

Try this: The Wright brother's flight did not count as they did not exceed Mach 1 on their first flight in accordance with USAF contract specs of the 1950s.

[@GregsAirplanesandAutomobiles]

lol, the video isn't even up and I already have thumbs down. I knew this video would upset some people, but I didn't know it would do it just with the title and thumbnail.

[@johannes914]

I am french and here no one claims Santos Dumont made the first flight. There were claims that Clément Ader was the first but when you see the "Avion 3" there is no way this machine could ever fly.

[@andrewpease3688]

The Wright brothers also built their own wind tunnel and are responsible for the pedals not falling off your bike by working out that you need the thread pitch to be opposite on each pedal.

[@pavanatanaya]

There is a lot of Wright Denial

[@Ensign_Cthulhu]

Greg, you need to consider the possibility that the incorrect arguments are not because of ignorance; they are because of ACTIVE MALICE.

[@dalek14mc]

You took the words right out of my mouth. Especially in regards to Dumont. Instead of being recognized for his actual accomplishments, he’s credited as “The guy who was cheated by the Wright Brothers.”

[@VictoryAviation]

As a student in university for aeronautics and currently studying the origins of flight, I greatly appreciated this presentation! I’ll be forwarding it to my professor.

[@coolspruta]

Louis Bleriot's mustache had a better aspect ratio than his early propellers.

[@daszieher]

Having gone to school in Brazil, I had to learn that Dumont was in fact the "real" inventor of the aeroplane. Getting more and more interested in technology and aviation, that initially set picture obviously began to crumble, the more facts were accumulated.

[@DeltaGreenA]

Brazillian here.

[@rhekman]

Taking your personal airship out on dates, and then taking the ladies out to breakfast you say?

[@superdupergrover9857]

Me: I am really tired. Should I go to bed, or get a snack first?

[@zhubajie6940]

The Wright's strength was experimentation with models and developing the science before proceeding fusing theory and experimentation. They were not merely tinkerer inventors but methodical engineers.

[@muskepticsometimes9133]

That was my problem in high school. My parents would never let me use the blimp.

[@MemphisApplegate]

It is refreshing to watch a video made by a guy who really knows the depth of the Wright's story. The propeller is often forgotten as a great achievement. You will recall that even Charley Taylor said "I don't think the boys got enough credit for it." Another forgotten aspect of their work was the realization that a person needed to "learn to fly." The Wright's work was not based on trial and error, but when something didn't work they still had to decide if it was the aircraft or the pilot's fault.

[@cleitonfelipe2092]

I'm brazilian and I thank you for your research and clarification on this topic. Very enlightening.

[@duanegrindstaff9635]

As a retired Aeronautical Engineer, I have to tell you that your presentations and your analysis are so excellent! I believe that you present a lot of difficult things in a manner that anyone should be able to understand.

[@Ratzfourtyfour]

Amazing how the Wrights knew that slowing down the prop will get them better efficiency. Even today that's something that seems too counter-intiutive to many.