18th Century Mechanism Reconstruction for a Museum in France
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- เผยแพร่เมื่อ 30 ก.ย. 2024
- Lovely day for a reconstruction of a lost mechanism from the 18th century, Design by Giovanni Poleni.
Museum Homepage:
www.univ-brest...
The people behind the research:
PietroMilici:
univ-brest.aca...
Frédérique Plantevin
Research:
www.researchga...
Future Publications:
www.scientifici...
Further Research and Links will be added in the future
Instagram: / urituchman
Patreon: / urituchman
"'Can you make this mechanism?' they asked. I started laughing
'Accurately,' they continued. I stopped laughing."
"Have you heard of Clickspring?"
Yes these were lines in the video thank you for transcribing them
I came, I snorted laughter, I stayed for the whole video.
Gold statement by Uri
@@thewolfin
They bear repeating.
Great intro -raised a few smiles.
Your videos always delight Uri. I listened to a podcaster interviewing you a few years back and have ended up listening a few more times and sharing with sons- both subscribers - as well as some friends. You're, without doubt, one of the most interesting and talented people on TH-cam.
Such beautiful work ! Why on earth would anyone dislike this video
the right man for the job
Eres un genio me encantan tus videos.
Interesting mechanism... I wonder if they put ink on the wheel or something..
They probably used an early form of carbon paper to imprint the line on the paper.
I think you could make a beautiful Centrolinead. It’s waiting for you to make it.
I'm smiling as I type this.
Hey Uri :) Do you own or have made your own Rivet punch ?
That's how the Nike swoosh came into existence...
You know you're a master artisan when people can ask you to do museum level reconstructions, and you can do it flawlessly, without actually knowing what it does beyond make lines lmao. Seriously though great work and glad you are getting the renown you deserve
Thank you my friend!
So what does it do??
"Get me Clickspring! Wait, he takes how long to finish a project? Damn, if only there were some kind of.. Budget Clickspring".
*Uri Tuchman bursts through the wall, into the wrong room*
Lmao. Isn't he hilarious
The main differense is that Uri could achieve the same things without any of all those expensive machining tools.
(And The machines he are using fit's the theme very well, i realy love the old late for example.)
@@sheep1ewe That seems a little unfair on Clickspring. He certainly has the machine tools and knows how to use them, but given that he also not only hand files gears but makes the files for it, it's certainly not that he "couldn't" do it without the machine tools.
@@fnordfnordsson4385 Yes, maybe my joke was a bit too far, i hawe the deepest respect for Cris and i watch every single video he made public.
Antikythera year 5... "This year we make the worlds not perfect screw by hand filing a 40kg block of forged steel down to a 2mm screw"
"the mathematical universe... which is ...
...the actual universe"
Best line!
I agree, right up there with "Have you heard of Clickspring?" Haha
Yes,I agree.. and in a long Winternight after a long Summerday
I see, you have fun to work with materiel like this. That's great.👍
the universe neither knows of or cares about maths, it's a tool invented by man to incompletely describe and model some aspects of it.
@@axeman2638 ok grandpa
I’m pretty sure you’re supposed to stain the wheel thingie with ink, that’s why it’s removable.
That makes sense. Good catch.
Yeah, I was gonna recommend running it across a stamp pad a few times to load it up.
Laughed out loud at “have you heard of Clickspring”
Love this channel and Clickspring.
Me too!
*CLICKSPRING* Antikythera year 5... "This year we make the worlds mot perfect screw by hand filing a 40kg block of forged steel down to a 2mm screw"
A beautiful machine. So they ONLY wanted 'Uri Tuchman level accuracy'? Fortunate they bumped into you when they did 😉
I live literally 20min away of this museum, already visited it 3 times and its really cool ! I'm pretty excited to go see your builds when they will be on display ^^
"Have you heard of clickspring"
"We have but we are short on time and funds"
"Say no more I Wil build you a stunning beautiful and accurate-ish reconstruction"
"Have you heard of Clickspring?"
I chortled.
We all chortled.
I laughed
Some of us guffawed.
I sniggered
I giggled. It made me doubt my masculinity, but there it is.
Sundays with Uri - perfect day
I don’t know why it’s taking me so long to say this but here it goes. You are by far my favorite TH-cam channel. PS I love you.
He's definitely one of my favorites as well. I love the goofiness, makes him real and not pretending to be someone else.
We all make mistakes. it’s when we learn from them, thats what matters the most, not the mistakes themselves.
😳
My channel is built on mistakes!!
I think it's because you typed "I don’t know why it’s taking me so long to say this but here it goes". That's why it took so long
A beautiful reconstruction Uri. Now if we only had a tame mathematician... Oh wait! Matt Parker or Hannah Fry would be able to explain this.
If he made it not quite accurately but very nice looking, would that be a Parker Curve?
I think this is the curve where if you drop a ball on each side they connect in the middle regardless where on the curve you drop them and even if you drop them from different heights.
It probably has a name but I can't remember.
@@chrissibersky4617 It's a tractrix.
Finding a house broken and trained mathematician is hard these days; they’re all running wild and feral on the prairies.
Even your toilet seat is made of brass, I put money on that!
Be bloody cold in the winter
This intro almost sounds like an alien pretending to be human writing a memoir.
Yes, or AI
Oh it _does_
“It’s not perfect, but it’s me.”….
That is what makes it perfect.
The most impressive thing about Uri is that he compresses days, weeks of work even, down to 14 minutes and has yet to cut his ear off.
Reminds me of my love of Vaucanson’s lathe in the Paris arts and sciences museum. 1751 first lathe to feature angled ways and solid frame. I hope to eventually visit and see it in person. The video from Machine Learning called ‘The Machine that made everything’ is amazing.
Oh that was a great video, I come back to see it every now and then
I believe you meant "Machine Thinking"... :)
Great build! No idea why mathematicians would get all googly over drawing a curve, but if they're happy with it....
I think its the "golden ratio"
@@jonpierce8342 they want to draw eyebrows?
@studer1679 no, I have a feeling the next one will be a tractrix. This one is a logarithm, Im not sure but I have a feeling choosing the length determines the base of the log you draw. They were used to solve equations graphically.
The mechanism somewhat dupcates the Logrithmic or Exponental curve which have a unique relationship betwenn X and Y which no other method of free hand drawing or tracing can duplicate. It may sound irrelevant now, however consider the time in which it was designed. No one had ever seen a true Log or Exponential curve at this point, they were approximated however no accurate representation was ever demonstrated. We take a lot for granted in our digital time, just look at a slide rule demonstration video. It is likely that anye reading this has a parent, grandparent, or relative that had to use them in school/life
"In 1728 the Italian scholar Poleni took up the theme again. He designed a tractional instrument (see Plate 10 [this mechanism]) and sent copies of it to three colleagues. In his covering letter he argued, again, that by means of his instrument the problem of the *quadrature [area] of the hyperbola* was now for the first time solved in a geometrically acceptable manner" www.gewina.nl/journals/tractrix/bos89.pdf
It seems the context of this device is the ancient topic of Euclidean geometry, about whether things can be constructed with the most basic physical tools, (straightedge and compass) rather than by arithmetic. These devices construct transcendental curves without arithmetic, but they're still not a straightedge and compass, so some 18th century controversy perhaps. Or as that article so nearly puts it, "The motif of tractional motion as mechanical legitimation of transcendental curves"
“A long time ago on a cold winter night after a long summer day”
Me: oh this is gonna be good.
I love the perfect fit of the frame inside the two rails and how smoothly it glides over the wooden surface. Wonderful reconstruction
the homage to clickspring was genius! haha
One of the best video intro's i've heard :D
"on a cold winter night, after a long summer day"... "have you heard of Clickspring?", LOL
Uri is asked to build some beautiful doohickey thing and at the end is like "hm, so that's what it does."
One does not want to contemplate what has been lost to history. The skill and art. Never mind, what is gone is gone . Then there are the descendants Uri, Clickspring et al. Thankyou You Tube so that we may at least enjoy the company of geniuses.
Poleni was a venitian mathemathician, astronomer, physicist,... genious. This contraption is to draw a logarithmic curve.
That's what I was looking for
What is that?
@@timsmith1589 it is a curve representing a logarithmic progression, reverse of an exponential progression.
Whenever I watch you work, I have to resist the urge to buy brass and engrave something.
Then do it
@@andyb7963 I did it! I found a Buck 110 with brass bolsters and i did some terrible engraving with a dremel, but i did it. 😁
I waiting for a mechanical brass pigeon......
Seems like a mighty complicated way to draw _ONLY PART_ of an elliptic curve. Meanwhile, two sticks and a piece of string later...
You just made my day. A long time ago, on a cold WINTERS night after a long SUMMERS day......I suppose Europe does have funny weather
Thank you, Uri. This video got me thinking about how one might use this principle to draw logarithmic spirals. This little video was the result: th-cam.com/video/DhRfDVHicx8/w-d-xo.html
Uri Tuchman deserves to be preserved for posterity
Reminds me of an Omicron Ellipsograph! I got one on eBay a few months ago and I never use the stinking thing because I dont do much graphic design anymore
Absolutely beautiful Uri.
At first I thought the device was an overly elaborate method of tracing one quadrant of an ellipse. I'm glad I read the paper now. It is in fact a logarithmic curve. Fascinating.
Oh, and that intro was captivating, and just too funny. Thanks.
Was wondering wich one it was. Thanks.
Ugh, I hate tapping brass. Even when you’re doing it right, it sounds and feels very wrong.
It really screams
I love tapping brass, because I'm horrible at tapping steel
use a little WD-40 it helps a lot
Me: *working, innocently tapping that
The brass: *shrieks
It depends on what you're tapping it with. If it's just with your finger, it doesn't make much noise, but something harder makes a much louder tapping sound.
"Clickspring? Now that's a name I've not heard in a long time; a long time. ...Specifically, six months."
You just KNOW there was 1 dude who watches your videos in that museum staff, who suggested Uri Tuchman immediately when they got the chance
Nicely done!
Whoever built this in the 17th century must have used approximately the same tools and techniques.
Awesome work! Given the way this mechanism work, I'm pretty sure it's designed to draw a “simple” asymptotic function (pretty sure it's 1/x) depending on the angle you start off at different points of the function's curve and the difference of the carriage to the swiveling center scales the size of the drawn function.
Not coincidentally, that curve is the exact flight path your body would travel if you took a ride on the Fulton surface-to-air recovery system.
that's wild.. 🐱🏍 did anyone actually do that shit? or was it for cargo only?
Can't wait for the Uri Tuchman "Antikythera mechanism done right" series.
Acoustic horns following this tractix contour have smoothest impedance matching! It is a beautiful curve indeed.
Your workshop is beautiful it is so organized and tidy. This machine is very interesting.You made this difficult build look easy.Thank you for the video
I enjoy your videos so much. I hope you like your new shop, you look right at home, just don't have your cats joining in the fun lol. Can't wait to see what you make next, thanks for always making my day with your videos. God bless
El video estuvo estupendo.
...pues debe ser o fue algo muy valioso en un tiempo pero ahora ni siquiera entendí pa que hacer eso.
Oh god he was using a wing divider to hold the rivets. Truly the work of a master craftsman 😂
I live in Brest !! Can’t wait to see your beautiful piece of art.
Intro was godly, i LOL'ed few times! Espeacialy in shadow part.
....Have you heard of Clickspring?...😂😂😂😂😂😂 Oh my!!! That kept mi laughing till the very end!!!
Not only smart but he is also funny if only I could pronounce his name😉
הי אורי! תגיד חשבת במקרה להכין סט שחמט עם המיני מחרטה?
דרך אגב, לפי המבטא והפטיש של אחד מהסרטונים שלך הנחתי שאתה ישראלי😅 רק רוצה לומר, מאוד אוהב אותך כבר תקופה די ארוכה ותמשיך ככה אתה עובד מדהים!
Extremely entertaining to watch an old world craftsman. Truly a Renaissance man in every sense…
Needs a pen holder on the front or rear of the wheel carriage. May not be part of the original design but the comment helps the algorithm.
But that solution would not satisfy the matemacians. Just saying and interacting. Uri is great.
Please stay well, Uri. We need more like you in the world.
Can you estimate, as a percentage, how many of the tools you used in this video were made by you?
"I went outside for my usual walk with my reeboks...the ones with the straps"
Thanks for another great video Uri. And as always, looking forward to the next one. Cheers from Norway.
That's a genuinely beautiful... erm... thing.
Very nice project my friend 💪🇺🇲👍
While enjoying your great work I was suddenly reminded of Catweazle at 9:09 :-)
Your narrative was funny, Yoo-ree Tuck-man. 🤣
Bro your picture will be in a museum one day.
I see great advantages for this tool as a former aeronautical designer. However, I designed a computer to draw complex airfoils templates using a my own dot matrix 3d printer and computer. What is really important aspect of this particular is the teeth pitch, OD and Tooth design. So there could be a selection of different toothed wheels. Since the X and Y guides are limited then the Z slide needs to be adjustable to give different chord or drawing arc thickness. However, I see greater advantages of introducing a number of other axis and modifying this tool/ machine even further. I just wonder if I was in the 17 century I would have built my mark II version.
The proper method of drawing a curve with this mechanism is to ink the draw wheel, set it on the paper, and pull the curve.
love your all of your Vids, again " bien fait "..... ; )
Thank sir, I was waiting since long time for your video.
Why does this mecanism needs some Yoda heads ?
Mustaches.
@@HofsFinest Makes more sense ty
Extraordinarios trabajos que haces en latón, eres un artista, no un artesano. Con todo respeto pero te pareces mucho s don Quijote de la Mancha, te falta tu yelmo y tú coraza, es broma. Con mi humilde admiración por tu trabajo te mando un afectuoso saludo desde México.
Very cool! I think it produces a tractrix curve, which is useful for designing acoustic horns 👍
Isn't it some sort of logarithm curve? I don't know and probably no one either on this channel.
Yes it is a logarithmic curve, you can find a bit more info on the paper he linked in the description. It doesn't go into why this particular machine draws logs but I have a feeling it's only approximations since real logs grow to infinity but this curve approaches the upper limit asymptotically, I couldn't find much info online :/
Edit: nope I was mistaken, it's a Tracie curve, not a log lol
@@guilldea Thanks a lot
@@guilldea The device is called an integraph and Wikipedia says:"An Integraph is a mechanical analog computing device for plotting the integral of a graphically defined function." which is far of my level of understanding even in my own language! But the use is broader than logarithms.
I think that looks wonderful!
The Clickspring comment was great!
Thanks for sharing 🇨🇦
First video I've watched of yours, I have to say you are a true master of your craft. Very good details on all of your pieces. Wish you talked a little more and explained what you were doing, for the people who need more details. I think I'm going to make one of these and give it to one of my colleagues who is a super math buff. Lines are so amazing and he always shows me something new with them. Great work going to subscribe and check out what else you have created/designed, i know I won't be disappointed.
Can you Upload a QnA video
"...Accurately." They said. I stopped laughing... That's when I started laughing!! Awesome work, and video, as always, Uri!! 😎✒📹👍
I love your "projects" and look forward to each new one like a child waiting anxiously to get his hands on a new toy. You are in a class all your own. One of the most talented persons I have ever seen. I thought I was a most talented fabricator leaning on 60 years of learning and making "things" with my hands. But I bow before you. I am but a tinkerer in comparison. Your hands and mind have been blessed and yet you are most humble and simple. God bless you and thank you for sharing with us all.
G'Day Uri,,Mate where have you been,??Hmm from memory a parabolic curve,,(Not sure too many green one's these days,,)
But in the Museum,,with your name on it,,,Well done,,
One thought: if you use flux-free solder and then paint the flux onto the joints you would have much better control of where the solder goes...
yep, gets sucked in with a capillary effect once you get it hot enough.
alternative idea, rasp the metal you want to solder with and sprinkle it into the flux, then you can just paint that combo on, heat it and tada, soldered
did that with silver and worked a charm
Hello. I watch you from Russia. I don’t know your language. It's very interesting to watch. Thank you.
Hello from France 🇲🇫, so now I could go to museum to see your work. I'm happy. I prefer met you but how ? You are not in the museum (Grévin for the human celebrity in candle)
You made a good job even if I've not clearly understood why it's made for precisely.
Please now let us see new object made of these hands I'm fan of !
P.s : if you live not far from France... Where did you found a great online source for brass not too expensive? I've Tartaix online but not perfect du to price... Which is your source please ? 😇
Cheers 🇲🇫🇲🇫🇲🇫
1:15 After having seen so many old videos of yours, where you were either hand-sawing, or using your sewing-machine contraption, I looked for a saw, and thought, "that Proxxon DSH saw would be a nice fit for Uri". Well, you already bought one...
1 - Awesome Job!
2 - You should also bring them the Weirdest Calipers to put on display. Everyone would love to see it. Fantastic Job of it! (They can buy - you don't have to give (if you don't want to))
I love your videos so much, your creativity, humour, passion for oldies make it perfect for me !
I'm very glad your talent is recognized my friend !
Cheers from France :)
Mr Tuchman: Someone once said: Perfection belongs to G"d. And that is It! 👏👏👏fro Brazil 🇧🇷.
Apologies, Uri, Schiele's pivot. We Brits are careless with our vowels.
Uri, I love your ability to make complicated machines with simple hand tools. And that you don't take yourself too seriously! Thanks
Same
Uri, is "investment casting" a quicker option for making multiple parts, like knobs, than fabricating them individually?
I am learning a lot from your videos, and this video may well be the most useful I've watched on your channel so far. Thanks, Uri. Amazing work.
Not the sort of video I would normally watch. However WOW you are a very talented guy and the device works and looks beautiful too
I liked seeing the position of your finger on the hacksaw, but I didn't like seeing you scratch the pieces with the tip of the caliper.
Greatings from Brazil.
.......It is me , I know this feeling all too well.
More than 30 years in the metal world making all kind of things can do that to a human.
To me, it's the path to that end, not it's End..........if you read me ..lol.
Keep growing, following your own path.
Thanks for the ''Share '' it made my horizon a little bigger.
I hate using TH-cam notifications. Uri Tuchman 🤔 Just turned it on. Easier than checking everyday.