Favourite Youtube videos v2.0

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Re: Favourite Youtube videos v2.0

Postby Ellen Kuhfeld » Mon Aug 19, 2019 8:50 am

Spica75 wrote:Lol, ducks learning to wait for green light... Not surprising that it happened(bound to happen eventually), but funny.

I would have expected the ducks to cross when the people did - a downtown duck has to learn to get along with people. That's not what happened - no people crossing. But it does suggest that ducks do not have red/green colorblindness.
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Re: Favourite Youtube videos v2.0

Postby Spica75 » Mon Aug 19, 2019 11:28 am

Ellen Kuhfeld wrote:I would have expected the ducks to cross when the people did - a downtown duck has to learn to get along with people. That's not what happened - no people crossing. But it does suggest that ducks do not have red/green colorblindness.


Yeah, but there wont always be people around, so just going along with people wouldn't be enough.

All it takes is one smart she-, i mean duck.
https://youtu.be/YSqJVHxS4wM?t=88

:P

Anyway, i know from when a friend of mine's family had a duck that they are quite capable of being trained like a dog, or better.
When they want to at least, damn things are worse than herding cats most of the time.
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Re: Favourite Youtube videos v2.0

Postby Ellen Kuhfeld » Mon Aug 19, 2019 12:09 pm

Ah yes, that most dangerous of creatures: a smart duck. Consider Scrooge McDuck!
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Re: Favourite Youtube videos v2.0

Postby Té Rowan » Thu Aug 22, 2019 3:55 pm

https://www.youtube.com/watch?v=D7-lUBm-Guw — RC aircraft.
The difference between children and adults is the price sticker on the toys.

https://www.youtube.com/watch?v=Q6Vb2yHWtAo — Fancy demolition.
Looks like someone was having way too much fun with this.
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Re: Favourite Youtube videos v2.0

Postby Ellen Kuhfeld » Thu Aug 22, 2019 5:48 pm

Airplanes, is it? I'll see your RC airplanes and raise you two - first a really BIG one, then a really peculiar one.

Finding an interesting (and eccentric) explosion wasn't nearly as easy, but this is a good start.
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Re: Favourite Youtube videos v2.0

Postby Spica75 » Thu Aug 22, 2019 11:48 pm

https://www.youtube.com/watch?v=D7-lUBm-Guw — RC aircraft.
The difference between children and adults is the price sticker on the toys.


Reminds me of the time i was with my brother at an RC plane meet nearby, back in early 80s, and one of the people there was the guy that had made a recon version Mosquito and fitted it with a video camera in the glassnose... Think about it, EARLY 80s, videocams were HUGE, heavy and horribly expensive, and just getting one to fit in a quarter scale plane(and still have it lift off at all!) was amazing.
Can't remember what he said the total cost had been, but enough to buy a nice car...
And today, you can get a drone with a camera for less than a 20th of the cost. With better picture quality.

Fancy demolition.
Looks like someone was having way too much fun with this.


*lol*

first a really BIG one


Neat.

then a really peculiar one.


:lol:
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Re: Favourite Youtube videos v2.0

Postby Té Rowan » Fri Aug 23, 2019 9:01 am

All cute stuff, including the high-speed camera work. Am sure some of the penguins stuck behind their mahogany Spitfires would have liked the Ikea chairplane.

Anyway, here is a rolling oddity: The Schienenzeppelin (Rail Zeppelin)
https://www.youtube.com/watch?v=-67j4eLIOPY — Newsreel footage.
https://www.youtube.com/watch?v=E-ID_ktSoLY — Part 1: Build and test.
https://www.youtube.com/watch?v=ZY7PIIV0nIs — Part 2: In traffic
It looks like there should be a Part 3, but I haven't found that.
https://www.youtube.com/watch?v=rNSteewToTY — A Kraftwerk-like tune.
https://www.youtube.com/watch?v=lKyfaOzuQtw — Here is one built with Lego.
https://www.youtube.com/watch?v=37VfRYUqpVA — So was this pushback tug.

https://www.youtube.com/watch?v=1Ysj8UcKOR8 — The Bertin Aérotrain.
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Re: Favourite Youtube videos v2.0

Postby Ellen Kuhfeld » Fri Aug 23, 2019 10:17 am

Large propellers flailing about in unguarded spaces make me nervous. :x At least on a monorail high above the ground they're less likely to disarm or decapitate the passersby. :roll:
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Re: Favourite Youtube videos v2.0

Postby Spica75 » Sat Aug 24, 2019 5:57 am

Me, i always wonder why anyone would ever want to try using air as the kinetic energy transfer medium for a TRAIN.
It's ALWAYS less efficient than doing it through the wheels, and you can't get a higher speed than the rails allows you anyway so it's not like you can save on the rail costs or anything.
Sure you don't have to worry about losing traction, but compared to the power wasted when using a propeller, that feels like a puny recompense.
Jet engines at least make slightly more sense due to their higher power to weight ratio.

Feels like that aerodynamics of the train is FAR more important than the prop-propulsion. Looks pretty much like some Shinkansen models.

Large propellers flailing about in unguarded spaces make me nervous.


Yeah, NOT exactly 100% safe. :P
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Re: Favourite Youtube videos v2.0

Postby Té Rowan » Sat Aug 24, 2019 1:51 pm

https://www.youtube.com/watch?v=KZ2LWzayW0A — Sturm Eberhard in Düsseldorf.
In which Ryanair aircraft go around.

https://www.youtube.com/watch?v=DxbcyBjFiSg — How to land.

https://www.youtube.com/watch?v=wyVEDIIZoMU — An ICE3 shoots out of a tunnel.
https://www.youtube.com/watch?v=M2Z6tm-N9ak — Shinkansen Wind Pressure at Ohtsu Tunnel
A few older types may be seen here.

Ellen Kuhfeld wrote:Large propellers flailing about in unguarded spaces make me nervous. :x

Spica75 wrote:Yeah, NOT exactly 100% safe. :P

Which is why there was only one ever Schienenzeppelin built. OK, so it did fly in the end, after being recycled as aircraft.

Edit: Sorry, but I just had to add these born-again-boy toys to the list:

https://www.youtube.com/watch?v=TOewW2_esBM — Airbus A380.
https://www.youtube.com/watch?v=64ibvDXV5Ac — Antonov An-225 + Buran.
https://www.youtube.com/watch?v=MSOlVGcRlSY — Aérospatiale/BAe Concorde on maiden flight.

Edit 2:

https://www.youtube.com/watch?v=BvfFHeo4PL0 — miyako
https://www.youtube.com/watch?v=R2_b4ChPSgM — The Emperor's Tram Girls

Edit 3: Twin Otters… nuff said?
https://www.youtube.com/watch?v=3jCj7NKetkk — A Series 400 doing a STOL demonstration.
https://www.youtube.com/watch?v=k_aKUdMsK7M — A playful TO does the Wheelbarrow.
https://www.youtube.com/watch?v=lTS8rGldTaY — "OP PLS NERF!!11!" won't work either.
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Re: Favourite Youtube videos v2.0

Postby Cheb » Sun Aug 25, 2019 3:08 pm

The Schienenzeppelin (Rail Zeppelin)

Ugh. I suppose slapping an aircraft engine on was much easier than developing good enough gearbox and transmission.
Must have looked absolutely badass next to steam locomotives, though.
Rule of Cool in action...?

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Re: Favourite Youtube videos v2.0

Postby Spica75 » Sun Aug 25, 2019 9:23 pm

Rule of Cool in action...?


Pretty much that i think yeah.

Ugh. I suppose slapping an aircraft engine on was much easier than developing good enough gearbox and transmission.
Must have looked absolutely badass next to steam locomotives, though.


To be fair though, at the time, the German ability to build petrol engines for aircraft was far ahead of its ability with electric engines and diesels suitable for trains, and compared to steam engines it is drastically lighter at least.

Still, using it for a generator/electric engines setup would almost definitely have been better still, even with the tech of the time.

The Emperor's Tram Girls

So sad :(
I should be thinking that my problems are nothing in comparison, but I keep thinking "things could always get worse" instead.

:( Yeah.

Your problems are still real, you can always find something worse, that doesn't negate the severity of the "lesser" problems.
See if you can break apart your problems and deal with the parts, it is often easier to deal with a hundred details than a massive big chunk of "messed up crap", and even if that is just a small part of the problems as a whole, dealing with any parts at all can often make a big difference.
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Re: Favourite Youtube videos v2.0

Postby Té Rowan » Mon Aug 26, 2019 5:24 am

Cheb wrote:Rule of Cool in action...?

That it clocked 230 km/h doesn't hurt the rail zeppelin's Cool factor any.
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Re: Favourite Youtube videos v2.0

Postby Spica75 » Mon Aug 26, 2019 6:34 am

Té Rowan wrote:That it clocked 230 km/h doesn't hurt the rail zeppelin's Cool factor any.


True, but even sticking just to Germany, it's only 5 years later that a STEAM locomotive runs over 200 kph. And that was with 197 tons of passenger cars.
https://en.wikipedia.org/wiki/DRG_Class_05

Italian electric train reached 203 kph in 1939.
https://en.wikipedia.org/wiki/FS_Class_ETR_200

And the diesel-electric:
https://en.wikipedia.org/wiki/DRG_Class_SVT_137
managed 205 kph in 1936.
With a diesel-hydraulic testvariant that reached 215kph in 1939. And again, this was with 3 passenger cars.

I was also surprised to find that it was far from the first or only prop-train.
https://en.wikipedia.org/wiki/Aerowagon
With this one having its own speedrecord from 1921, at 140kph.
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Re: Favourite Youtube videos v2.0

Postby Té Rowan » Mon Aug 26, 2019 7:14 pm

Cool but Impractical, that's the rail zeppelin in three words. Still, it gave the Germans one bragging card: Fastest petrol-powered land vehicle.

https://www.youtube.com/watch?v=eUbF3FtjLuM — One of the slowest road-going vehicles around is also German. It could speak, but all it ever said was its name.

Tunnel boom:

https://www.youtube.com/watch?v=AUcsYcd_4Vc — Japan.
https://www.youtube.com/watch?v=8ttshCp1r9I — Germany. North end of the Euerwang tunnel.
https://www.youtube.com/watch?v=rT3IkDeBqPk — Germany. South end of the Euerwang tunnel.

Tunnel no-boom:

https://www.youtube.com/watch?v=LYM4Cb5D1Es — Ten Tunnels Deviation, NSW, Australia.
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