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Pouring 2000° molten Copper inside a seashell - BEAUTIFUL! - Experimental metal casting at home 

Robinson Foundry
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In a recent video I showed you how I poured molten aluminum inside of a Marlin Spike sea shell capturing the amazing spiral structure hidden inside.
I used aluminum for that casting but many of you asked if I could try with other metals, so in this video I’ll be experimenting with pewter, copper and bronze.
Please consider supporting me on Patreon. www.patreon.com/user?u=58360840 You'll receive access to Patreon only posts as well as any 3d printing files that I designed.
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Chapters
Preparing the shells 0:31
Pewter 1:55
Copper 4:00
Bronze 6:07
Result before finishing 7:06
Finished castings 8:32

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16 июн 2024

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Комментарии : 344   
@robinson-foundry
@robinson-foundry День назад
If you're interested in any of the tools or equipment I use and you want to help support the channel then don't forget to check out some of the affiliate links in the video description. Thank you for the support!
@nicotti
@nicotti 2 года назад
Fun fact: Most gastropod shells spiral in the same direction, the direction of your shells (called dextral). But a genetic mutation causes a small amount of shells to spiral in the reverse direction (sinistral). There are some species whose shells are sinistral, and the rare mutation makes them dextral.
@SirSmurfalot
@SirSmurfalot 2 года назад
Thank you kind stranger.
@bruceanderson7762
@bruceanderson7762 2 года назад
I believe some foraminifera shells 'spirel' left or right depending on temperature.
@c.j.cleveland7475
@c.j.cleveland7475 2 года назад
Gee! And I thought that if it was made north of the equator it spiraled right and south of the equator it spiraled to the left! 😂 😁👍 😉
@jibjibam
@jibjibam 2 года назад
These are just left handed and right handed creatures :). Does anyone really think these creatures figured out how to construct the shells by themselves?
@SethiozProject
@SethiozProject 2 года назад
depends how you describe mutation, I always thought it's same as humans being left or right handed. It's like saying that everyone who is left handed is a mutant? I'm both .. I use mouse with right hand and write with right hand, but when i eat with fork and knife, i hold fork in right hand. I also do martial arts and I prefer my left foot and right hand for primary punches and kicks. So I'm a semi-mutant?
@Occupant
@Occupant 2 года назад
The fact that the shells held up is a testament to what a good evolutionary adaptation they are.
@HawkWorley
@HawkWorley 2 года назад
It's interesting how good the pewter came out compared to the others. I wonder if you could use your normal lost pla casting style and make one out of Brass in a "Lost Pewter"
@42Fab
@42Fab 2 года назад
a Surprisingly smart idea
@thechumpsbeendumped.7797
@thechumpsbeendumped.7797 2 года назад
Or fill with wax and dissolve the shell in a stronger acid.
@asvarien
@asvarien 2 года назад
What a great idea.
@BennyMcBabe
@BennyMcBabe 2 года назад
Honestly, you can cast pewter out of silicone molds and get far better surface finish. If you're willing to make a mold, may as well make one you can reuse.
@kalidwapur
@kalidwapur 2 года назад
or cast wax in the shell dissolve the shell with an acid and make a plaster mold out of the wax model. Then you can cast it at higher temperatures with a better finish.
@tracybowling1156
@tracybowling1156 2 года назад
I loved the first time you did this and I love it again. You always think about unique ways metal can be used. I'm always excited to watch!
@kylejacobs1247
@kylejacobs1247 2 года назад
Sea shells are made of calcium Carbonate (CaCO3). Above 840C calcium carbonate decomposes into CO2 gas (which was causing the bubbling and splattering) and Calcium Oxide (CaO aka Lime).
@reddog9978
@reddog9978 2 года назад
very nice work they all look great. I like the fact that you are the only one on you tube that fully protects himself with all the proper safety gear. It doesnt inpress any one when you burn yourself.
@nj1255
@nj1255 2 года назад
The rough texture/finish on the copper and bronze ones actually looks really neat!
@mattpayne3807
@mattpayne3807 2 года назад
Awesome video. I loved that you shined up the copper and bronze and kept the pitting marks. They look really amazing with the casting marks.
@SilverScorpion
@SilverScorpion 2 года назад
Super video. I'm impressed with how they came out. Thanks for sharing
@zapfanzapfan
@zapfanzapfan 2 года назад
Nature produces pleasing shapes. Very pretty castings!
@adambrown2626
@adambrown2626 2 года назад
Excellent result in solidifying the perfection of nature.
@PhaelehDK
@PhaelehDK 2 года назад
You are awesome! I appreciate you and the art you produce.
@brendanhoffmann8402
@brendanhoffmann8402 Год назад
This brings me back fond memories of metal work class in high school. I loved that class.
@sandiebrecken1897
@sandiebrecken1897 2 года назад
The fact that you describe what your doing without carrying on is a real blessing, nice video
@rachelg552353
@rachelg552353 2 года назад
🐚 looks great!
@kriskossack7231
@kriskossack7231 2 года назад
The Pewter one is my favorite. They all came out awesome.
@GenuinelyCurious120
@GenuinelyCurious120 Год назад
Copper is my favorite. It's such a beautiful, firey color. Even it's rust is pretty.
@Mistertbones
@Mistertbones 2 года назад
They all came out great!
@1929modelagirl
@1929modelagirl 2 года назад
Found this by lucky accident ?! Fascinating, and I shall watch more. Thank you, these are beautiful
@ayanchalk
@ayanchalk 2 года назад
The wackiness of the idea caught my attention but how it turned out was a pleasant surprise. Loved it!
@wanjockey
@wanjockey 2 года назад
Pretty awesome looking. Thank you for sharing.
@joeyj248
@joeyj248 Год назад
the finished casts are beautiful!
@jamie1311
@jamie1311 2 года назад
Awesome!!
@connector8748
@connector8748 2 года назад
Now that's creative idea.
@CathleenDensmore55
@CathleenDensmore55 2 года назад
Fascinating! Thanx- I enjoyed this video greatly.
@ralphmourik
@ralphmourik 2 года назад
Absolutely brilliant stuff! I really need to get back into casting.... sometimes life just gets in the way 😅👍
@alanrathmacher6736
@alanrathmacher6736 2 года назад
Having worked at an investment foundry, try the following for copper & bronze: 1. Cut the pointed end off to provide a small vent open to the atmosphere out of the box. 2. Pour with pointed end up using a sprue to feed the large end from the bottom upward 3. Use a metal box in lieu of plywood & bake the box, shell & sand to 4-500°F before pour
@downunderdave5417
@downunderdave5417 2 года назад
Very Nice work Thanks
@ZoonCrypticon
@ZoonCrypticon 2 года назад
The problem with the bubbling is the carbon dioxide release of the shells. Would be interesting, if you would get smoother results, if you would heat the shells above 1000°C beforehand, and then put it inside the oil sand. On the other hand the baked shells would get very brittle and absorb moisture and decompose. Perhaps with a shorter heating period you could still reduce the CO2 content.
@RogueWraith909
@RogueWraith909 2 года назад
It's also lingering moisture, steam explosions are common if you don't get the mould hot enough before pouring.
@emmajacobs5575
@emmajacobs5575 2 года назад
I wondered if it would have been better if the vent hole had been connected to atmosphere rather than just stopping in the sand.
@skeetsmcgrew3282
@skeetsmcgrew3282 2 года назад
Considering what it turned into after the pour, I'm not sure it would hold up to the abuse after heating. In fact, maybe the single-use nature of this method helped maintain the shape. Would be an interesting experiment though
@RogueWraith909
@RogueWraith909 2 года назад
@@skeetsmcgrew3282 Could use a hot gas jet like a small propane blow torch at the enttrance to the mould, it doesn't need to get as hot as the metal is, it just needs to evaporate any moisture in the mould. That shouldn't be hot enough to really damage the shell at all as it literally takes a few seconds to do. It's just a safety thing as moulten metal spurting everywhere is generally a really bad thing. I do see your point though and agree it would require a little test shot first to see the effect.
@skeetsmcgrew3282
@skeetsmcgrew3282 2 года назад
@@RogueWraith909 oh yeah for sure, but the OP was talking about the chemical release of CO2 when heating a shell. Its actually something done on purpose to create slaked lime. My concern was that by attempting to remove much of the CO2, you would turn the shell into dust. It would be labor intensive, but you could do a double lost mould method to accomplish a similar goal. Fill the shell with a low-melting temp resin, allow it to harden, dissolve the shell in acid, coat the remaining resin in essentially plaster (theres a kind for forging), melt out the plastic, burn off the remainder, clean out the mould with water, and then fill that with molten metal. So yeah, a ton of work lol
@skrimper
@skrimper 2 года назад
Nice! I saw a snail once back in Burma, it was very fascinating and I felt honored. Well done and keep up the great work!
@dadsquatch79
@dadsquatch79 2 года назад
Absolutely beautiful
@Chronicallywitty
@Chronicallywitty 2 года назад
S-hell yeah! Looks great
@lionessprowess3581
@lionessprowess3581 2 года назад
So beautiful. Great work👍🏼
@NoodleBear
@NoodleBear 2 года назад
Fantastic work! I wasn't expecting the different temperatures to affect the surface finish so drastically. If you're not sick of making shells, do you think you'd ever try making one with bismuth? It has a pretty low temp too I think
@terra451
@terra451 2 года назад
Amazing!
@shable1436
@shable1436 2 года назад
Your voice and narrative is smooth, the editing is great, and your work and imagination really amazing to see the almost ex-ray negative of a spiral 🐚 🐚🐚 shell
@AM-dn4lk
@AM-dn4lk 2 года назад
Looks amazing. Great work.
@twen7yseven
@twen7yseven 2 года назад
So cool!
@nitroplayzrobloxandotherga780
I loved the idea of the video and I was shocked to find out how well the shell held up
@asvarien
@asvarien 2 года назад
What's truly amazing is how living creatures create these beautiful shell spirals. Nature never ceases to amaze.
@lindadelorme5117
@lindadelorme5117 2 года назад
Only to have some human destroy it for his own vanity...
@wrongfullyaccused7139
@wrongfullyaccused7139 2 года назад
@@lindadelorme5117 ;Your communist puppet masters have trained you well. They must be so proud.
@Guitcad1
@Guitcad1 2 года назад
I watched this in preparation to do the same thing. Good thing I found out about the splattering before I did it!
@jamesh5460
@jamesh5460 2 года назад
Wow! Cool!
@tylerkrug7719
@tylerkrug7719 2 года назад
Really cool!
@TheBappin
@TheBappin 2 года назад
When I look at the shells it takes a second to wrap my mind around the fact that you're not making a cast of a shell using a mold. You're using the shell as the mold, so it like an anti-shell or something. cool.
@Ryan50Ryan
@Ryan50Ryan Год назад
I really like the pewter one.
@0to100Art
@0to100Art 2 года назад
Absolutely brilliant stuff! 😍😍😍
@fosterkennel649
@fosterkennel649 2 года назад
Wow very cool thank you so much for this interesting video
@SethiozProject
@SethiozProject 2 года назад
absolutely no idea why youtube recommended me this, but it was something I never expected to see, totally random thing to do, but looks cool. It's something I'd like to have on my desk or hanging somewhere. I actually have epic idea, why don't you put LEDs inside the spiral and then fill it with some transparent acrylic .. it should look insanely cool.
@jody024
@jody024 2 года назад
Isnt it amazing how strong shells are? Nature can be fascinating!
@nasirmp1409
@nasirmp1409 Год назад
Mycket fin och mycket fin idee🙏🙏🙏👏👏👏
@wolfbushcraft3369
@wolfbushcraft3369 Год назад
this is so cool
@Vulcaneer900
@Vulcaneer900 Год назад
Beautiful.!
@itaco8066
@itaco8066 2 года назад
Beautiful 🤩
@jimgarvey7791
@jimgarvey7791 2 года назад
Very cool, kept up the good work!!!!👍
@tophat2002
@tophat2002 2 года назад
Wonderful
@TermaMary
@TermaMary 8 месяцев назад
Awesome.
@s.l.cruson8744
@s.l.cruson8744 2 года назад
Great job!
@americanrebel413
@americanrebel413 2 года назад
Cool man!
@davegreen9155
@davegreen9155 2 года назад
There are the undeniable moments when ART imitates LIFE,....and HERE are the moments when it INTERACTS (Wow That shit came out of my head)
@Zeddicus_Zorander
@Zeddicus_Zorander 2 года назад
Relief vent holes from the bottom will give a place for the metal to escape. Cool video 🗽
@wyattsucee6893
@wyattsucee6893 2 года назад
You should try and make a deer antler out of metal
@jthemagicrobot3960
@jthemagicrobot3960 2 года назад
Good stuff
@04dram04
@04dram04 2 года назад
Nature is the greatest art. More specifically the golden ratio.
@worldpeace1822
@worldpeace1822 2 года назад
Nice snail shells
@breakawaybooks4752
@breakawaybooks4752 2 года назад
Those shells turned to quicklime!
@tishsmiddy71
@tishsmiddy71 2 года назад
Amazing 🤟🏻❤️💋🥰 lovely. I’m glad you shared !
@KrakenCasting
@KrakenCasting 2 года назад
Welcome back! Good to see another video from you. These all turned out so good!
@jasonlavigne573
@jasonlavigne573 Год назад
These metallic shells you created are fine examples of the Fibonacci Spiral!!!!!!
@stephenhealey5528
@stephenhealey5528 Год назад
1st time viewer... Really interesting casting project, wicked nice results! Im inspired! & subscribed!
@mikedrop4421
@mikedrop4421 2 года назад
Ohh OK, so I felt like I was having deja vú then I was convinced I'd seen that thumbnail before and I clicked to see why you would re-upload that video again. Then you start out immediately with "you guys asked for all these different metals" lol.
@Thewulf56
@Thewulf56 2 года назад
Very Nice, They really did turn out fantastic. I just found a coupe of these shells, I may give it a try too one day
@andyf1235
@andyf1235 2 года назад
Metal splashing around when you aren't expecting it can be a scary thing. I appreciate that you use good PPE and have your body covered with leather and a face shield. I do something similar. It would only take one drop of molten copper to get some nasty burns!
@johnlord8337
@johnlord8337 Год назад
Awesome attempt. Would have liked to seen full surface features of the metals to the shell smoothness. Proper sanding, polishing, and buffing would make some absolutely one-of-a-kind sales product.
@noodsdood6977
@noodsdood6977 2 года назад
I think seeing this with zinc, or lead if you can get your hands on some, would also look cool! Thank you for consistently providing interesting content :)
@PicBenc
@PicBenc Год назад
Nice 👍
@user-sz2px8pv3f
@user-sz2px8pv3f 2 года назад
A golden shell would be gorgeous. Expensive, but gorgeous.
@bobtexan592
@bobtexan592 2 года назад
Nice job. I'd be inclined to make the metal into more of a shell by hollowing out the entry with a burr and then polish the surface to a more smooth texture more like the pewter one. It would be awesome if the copper & brass could have a mirror finish.
@LuisTheFilmHack
@LuisTheFilmHack Год назад
I like it.
@cptrikester2671
@cptrikester2671 2 года назад
Very nice. Splashes like my timber pours. Hope to try casting metal into a Conch shell this summer. Wondering if sanding the tip down until the opening shows, would be better than drilling?
@simplebronzecasting
@simplebronzecasting 2 года назад
Очень интересные результаты получились!🙂
@paulbriggs3072
@paulbriggs3072 2 года назад
The next time you pour pewter, how's this for an idea-cast it into the shape of a TRILOBITE! (you can melt down the seashell shape to make one)
@Xlaxsauce
@Xlaxsauce 2 года назад
The pewter ones would make really cool candle holders though they'd need a stand. Like little sconces
@joshuabaughn3734
@joshuabaughn3734 2 года назад
When the Calcium Carbonate was heated above 1544°C it converted to quick lime, which upon contact with water converts to slaked lime, which is used in mortar compounds, whitewashing and Nixtamalization(how corn and sorghum have their pericarp removed before food preparation)
@PlanetRylosIV
@PlanetRylosIV 2 года назад
Awesome video! Maybe try glass of various colors and see if you can even mix them prior to pouring to get swirling patterns in the result.
@pigcatapult
@pigcatapult 2 года назад
that's so cool. That used to be a soft creature, and now it's metal.
@madmike8325
@madmike8325 2 года назад
Lol makes me wanna build a forge and find some shells myself 😂
@mersco
@mersco 2 года назад
I think you should try to use epoxy/wax/pla/etc for the initial pour, and then create a mold from the epoxy, and then pour copper, to see if you can create a smooth a finish as the pewter. Looks great.
@claybair4904
@claybair4904 2 года назад
cool idea I tried pouring into a termite nest that is real cool also
@Deaven50
@Deaven50 2 года назад
You could make some very fancy looking ray gun props with this technique by the looks of it I think. Turn the non-shell bit of metal into a handle, and possibly put some small lights inside the spiral sections that you can toggle with a button. Would probably require a lot of extra planning though.
@lundgrenbronzestudios
@lundgrenbronzestudios 2 года назад
You picked a better shell than I did. Everyone says mine looked like 💩. Looks like pewter is the way to go. I wonder how bismuth would work as well.
@roberthansen4673
@roberthansen4673 2 года назад
Cool
@nettejakobs2501
@nettejakobs2501 2 года назад
Ohh what beauties. Would love to have one, just for its pure beauty. Nature is awesome. 🤩 from Nette in Denmark
@fasteddie4107
@fasteddie4107 Год назад
Very interesting video…..and, of course, I just love that you use a brass reloading sonic cleaner. One suggestion: belt sander
@GrantSR
@GrantSR 2 года назад
GLOOOOOOOOOOVES!!!!!!!!!
@luxintelligentia4632
@luxintelligentia4632 2 года назад
The little crab inside of the shell: 🔥🦀🔥
@jennifersvitko5997
@jennifersvitko5997 2 года назад
With the copper, the shell turned to quick lime. When you put it in water, it slaked. Pretty cool.
@wolfman515
@wolfman515 2 года назад
Amazing how high of a temperature those shells will take.
@Ithirahad
@Ithirahad 2 года назад
I think one could make a really amazing torch-style light fixture out of those metal snails.
@swrennie
@swrennie 2 года назад
Honestly, I'm still more impressed by the mollusk that made the shell in the first place.
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