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Veritasium direct downwind video debunked
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Brumby:

--- Quote from: EEVblog on December 26, 2023, 11:03:30 am ---FYI, after discussion we have agreed to reinstate the Electrodacus account.

--- End quote ---

Your prerogative.

He'll remain on my "Don't waste your breath" list.

Why?

He's either:
 1. A troll who gets their kicks watching others run around trying to explain - where he couldn't care less about the facts.
 or
 2. A classic Dunning-Kruger candidate who just cannot see where their logic is flawed - and refuses to even concede that possibility.

As such, I warn any potential member with good intention to be mindful of the following saying:
"A man convinced against his will,
Is of his own opinion still."
IanB:

--- Quote from: EEVblog on December 26, 2023, 11:03:30 am ---FYI, after discussion we have agreed to reinstate the Electrodacus account.
The Dacian account will remian banned as we generally don't allow multiple accounts as a rule.

--- End quote ---

I would be good if this reinstatement could be conditional on not trying to discuss "direct downwind" or any related topics in any shape or form. It was relentless trolling in this area that provoked the original ban.
5U4GB:

--- Quote from: EEVblog on December 26, 2023, 05:40:34 am ---Obviously we don't just ban for talking about physics like we have here, we even let wacy free energy people discuss stuff on the forum if they are aren't otherwise creating trouble and generating user reports.

--- End quote ---

It's good to have a policy like this.  One of the major physics forums has an annoying policy of an absolute ban on free-energy discussions, including ones like "Can someone explain to me why this alleged free-energy device doesn't do what it claims?".  This is really annoying because it's one of the few forums that has people qualified to explain where the hole in the argument is, everywhere else it's just people guessing.
electrodacus:
Thanks for reinstating my original account.
As I do not want to lose this I will no longer discus physics problems on this forum.
Gambling is illegal else I will bet Derek Veritasium that started all this and have someone like Kusenko be the judge.
For those that think this is some experimental flaw try and make measurements and you will get the same results using Xyla's design.
Do not replay to this as I will no longer read this post.
spork:

--- Quote from: Gregg on December 25, 2023, 11:10:31 pm ---If I were to bet money on this, I’d bet on Veritasium.
--- End quote ---

Boy do I have good news...
I'm here to offer the same $10K vote that Derek offered Professor Kusenko.  Anyone that wants to bet against Veritasium - this is your chance.


Just because you haven’t duplicated the experiment, doesn’t mean you have debunked it.

The principle is the same as a sail on a sailboat. Many sailboats can go considerably faster than the wind when sailing a broad reach maximizing the thrust by trimming the sails. 


--- Quote ---Note in the Xyla Foxlin video how they had to try a large variety of propellers and wheel diameters in order to achieve any success.
--- End quote ---

That's only because Xyla didn't initially understand the principle of this thing.  When I spoke to her, she went out and bought the correct propeller and it worked fine.  Ultimately the important thing is simply that the propeller has to be trying to advance through the air more slowly than the wheels advance on the surface.  How much more will determine how efficient you need to make the cart.
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