Microcosm - Hero Of Alexandria Steam Engine
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- Опубликовано: 22 окт 2019
- High-speed demonstration model steam engine (an aeolipile, aeolipyle, or eolipile) fashioned after the design of Heron of Alexandria, Roman Egypt.
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What's amazing to ponder is how these were used in ancient times. We know there are examples from Alexandria some 2000yrs ago. We also know the Greeks had the Antikythera mechanism. It would have been no stretch they ever thought to just add a gear and pulley system to the top of this engine and creating labor.
the ancients were this close to industrializing.
Could have had steampowered boats and factories 2000 years ago.
then it was all for naught and europe plunged into the dark ages
@@undrgrnd734 they had zero incentive to industrialize. their production was done by slaves
@@Diogenerate yeah, in those days, slaves were much more reliable than a fancy "steam engine." It's morbid, but since when has efficiency ever been morally correct anyway?
Whoever invented the antikythera mechanism must of been a mathematical engineering genius beyond any human existing at the time. He must’ve been like a Galileo meets Thomas Edison more than a millennia before they existed.
It’s so sad that the mechanism and it’s creator was lost to history for so long. It’s only now with modern tech we even know what the mechanism did but it’s creator will likely remain a mystery.
@@caboose9843 unfortunately, this a very much a misconcept. That slaveds did all the work. In reality, Slaves were a serious investment and you needed to make sure that you get what you pay for. Not everyone could have one and they usually worked on more labour focused jobs and not something that requires alot of manpower. I suggest you watch this.
ruclips.net/video/5uqPlOAH85o/видео.html
Its quite fascinating how close they came to industrial revolution. But more innovations would have required. developing long sturdy pipes for cheap, proper fuel storage, and much more would have caused hinderance, but if they would have realized its potential, we would have been 2000 years ahead in time right now... or so I imagine.
That's a fun simple little engine. Thanks for all the safety tips. Your demos are always great, Ron.
I love this little engine. There's not too many things I would buy to put on display, but this is something that I would happily purchase, it's something that is functional as well as looking good 👍
functional? you gonna hook it up to a cotton candy machine or something???!?!?!
This is why I like science, its like magic.
Theoretically, this could be used to produce the same type of energy as windmills.
Have enjoyed every video you've done so far, keep on the good work man. You have some cool things
Thank you for your kind comment. It is much appreciated! Ron
Mad to think that this millennia old invention is still the exact same concept that fuels most of the world's electric grid
Heat - steam - Movement
The centrifugal force keeps it firm , i had a vertical wind mill, when the wind was blowing hard it was scary to look at it spinning, but it never moved due to the centrifugal force.
As long as it is properly balanced...
Thanks for watching. Please subscribe!
That is what keeps this channel going.
Ron
Fantastic review thanks!
Interesting design. Ill have to build one.
NZ guy built a few models of this & worked out 600rpm = 1watt
always mean to make a few of these with... alternatives...
as it is, its known as the only true reaction turbine, along with "barkers mill" and some lunacy that trevithyk made in the 1800s...
but... keep the tank stationary... with radial arms... nozzles radial...
have a ring rotating around it with curved blades, and it becomes a much more practical impulse turbine... still requires stupid high speeds though.
or, one can have the nozzles as a series of delaval/diverging cones on a ring, fed with superheated steam from an assembly of tubing wound in a spiral around the flame, along with the boiler itself being crossdrilled with tubes to form a sort of fan through the center... draw the flame up through as it spins...
but no matter what you do, youre still stuck with having the nozzles or blades move at half the steam velocity to do anything useful... and that sort of speed is not really useful at all...
Great demo. That looks like fun.
I think I'd polish the dimple and support cone for faster running. too simplistic for me tho, I like flywheels and valve rod motion haha.
thanks for the vid!
Very Nice!
Neat little gadget!
Nice video! Very informative.
Glad you liked it. Thanks for watching! Ron
I want to put one on my kettle so when it’s boiling it will be a cool show
make the base that holds the top into an electromagnetic copper and magnet chasis and you have yourself a steam engine that powers an electromagnetic generator that can power devices, batteries, and even power your home with a much bigger version of this
Very good
very good
That is use in Alexandria university in ancient
could this back then run a chariot or wagon withought a horse? not this one exactly but was it possible why wasnt it adopted til now?
Modelo de demostración de alta velocidad del motor de vapor (un aeolipile, aeolipyle o eolipile) diseñado según el diseño de Herón de Alejandría, el Egipto romano...( quizá no sea una traducción tan correcta)
The ancient Greeks really invented steam power and only ever used it for “wow look at it go”
What if this concept would be integrated into piston engine propeller or even end of jet engine? it would boost efficiency rates of combustion engines if done right.
Years ago some military helicopters had thrust jets on the end of the rotor blades... but it was deemed too complicated to continue using them. Probably the closest to this are turbochargers which run on the exhaust gas from combustion and diesel engines. Thanks for watching. Please Subscribe! Ron
And the threads said that you're really fine too!
Now we can put the propellers on the exhaust and we have a wonderful heli 😃
I mean....you're not WRONG.
This is why I still read comments.
All I was thinking of was shit like:
"How did NOBODY rotate this 90 degrees and make it an axel on a large cart that could haul weapons along the Roman roads that were already built?!"
Every time I visit this idea, I think about how close they were to electricity, peat moss powered river travel, or an ability to haul cargo across the Mediterranean without needing wind.
Never...not once...have I considered what it would have taken for them to use this for air travel.
...Even if they didn't figure out a brute force way, what are the odds that their attempts would have revealed concepts that led to hot air balloons (ie: the first Air Force centuries earlier than actual)
Thank you.
Thank you for this casual statement you left weeks or years ago.
In the time it's taken me to tap this out on a phone, I've been picturing a dozen different routes history could have gone down.
So...thank you. That was fun.
this engine seems good and simple to understand however i think if we tried to connect this to a flywheel then it wont rotate since the one people used to make steam engine used pressure to push it but this one can let the pressure out without rotating
on the right path...
the atmosphere is 15psi.
a boiler with 30psia on a nozzle of 1 square inch will produce 30-15=15 lbs of thrust.
here, the nozzles are maybe 1 or 2 square millimetres... the pressure may be anywhere from 15 to 100psi... iunno! can measure the temperature and figure it out... probably about 40psi. 150C or so.
the steam can only ever escape at a certain speed from any pressure to the atmosphere. so the nozzle has to be designed a bit differently for higher speeds. delaval aka diverging nozzles.
the rim though, has to revolve at half the speed that the steam leaves the nozzle to be its most efficient. to deliver the maximum power to a load driven by the wheel...
and as that can be supersonic... the wheel has to spin hella fast!
See the cans being used. Two holes opposite each other in the center and the faster they spin the more unstable (given they use zip ties and strings). So i question what would happen with four holes one on top and one one bottom opposite each other
Alex, Did you proofread this before posting? I have no idea what you are talking about. What cans, zip ties or string? Holes on the bottom?
@@RonaldWalters2010No, they didn't.
Great video thank you. I ordered one. Do you have the atmospheric fan from the same company?
I have not been advised of a sale. You need to use one of my links in order for me to receive credit for the sale. Hero Of Alexandria Steam Engine: bit.ly/3PQLqZ5
Also if you use my coupon code Ron'sStuff you save money and also associates your purchase with my site.
Not sure what you are calling an atmospheric fan. EngineDIYShop has the following:
Thermal Power Stove Fan
www.enginediyshop.com/products/thermal-power-stove-fan-vintage-stirling-engine-physics-science-experiment-energy-education-tool
Banggood has the following:
5 Blade Stove Fan
www.banggood.com/custlink/GKvrga0gGv
6 Blade Stove Fan
www.banggood.com/custlink/KD3r6lgBGP
I have built a Hero's engine and measured its power output and efficiency. I don't think anyone else has done this in the modern era. See www.HeroSteamEngine.com . The web page includes an embedded RUclips video of 4 versions of the engine in action. This may help answer some of the questions raised below.
If you put a toy motor or a printer DC motor on top of the turbine you can make a micro generator for USB charging for example, could be a nice camping gadget.
Would this scale up to run a turbine for electricity?
It would not be efficient. Steam turbines have multiple stages of blades to take advantage of the steam pressure and velocity as they decrease while passing through the turbine. The internal axle also makes it easy to attach an external load such as a generator.
V. Good.
Bem legal
What is considered the fuel for this engine? Water or alcohol?
Alcohol is the fuel and steam would be the propellant.
Weird it's called steam engine instead of alcohol engine
They were called steam locomotives and they burned wood or coal.
@@RonaldWalters2010 good point
This invention could’ve saved Rome
Where did you buy this thing?
The link is in the video description
Where I can buy this ???
Links for all of the reviewed engines are in the description for each video.
bit.ly/31mVMq9 Looks like this engine is currently out of stock ... restocking. Check back again later to see if it is in stock again.
Thanks for watching!
Ron
Ήρων της Αλεξάνδρειας
Obviously Eton created electricity with the original
What is the actual name of this engine?
An aeolipile, aeolipyle, or eolipile
Barbra
Sarcasm.... ... I love it! :-)
Ron
Try Liquid Nitrogen😂
No
lol saftey glasses aint gonna save your skull from this thing crashing straight through it if "something goes wrong"
OK... but sales tend to plummet if you say "wear full body armor". :-)
Thanks for watching. Please subscribe!
That is what keeps this channel going.
Ron