Sculpture I made: "Hummingbird with Chuparosa Flowers"
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Old 01-11-2015, 08:33 AM   #1
Zapins
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Sculpture I made: "Hummingbird with Chuparosa Flowers"


One of my other hobbies is making metal sculptures using the lost wax process. I just finished the hummingbird project that I started a (very) long time ago. I'm rather please with myself for finally finishing it, so I figured I'd share some pics with you guys I've got more pictures of the process if anyone is curious.









These are the wax models that I started with in order to make the bronze sculptures above.





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Old 01-11-2015, 12:43 PM   #2
kayjay2C
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Love it! The flower appears too delicate to support the weight of the 2 birds but obviously it isn't. Can you DIY the casting process or does it require too high a temperature?
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Old 01-11-2015, 12:49 PM   #3
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Just awesome!
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Old 01-11-2015, 01:12 PM   #4
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Just curious, do you have your own foundry? Where are you melting and pouring the metal? Where is harrogate, tn in relation to Nashville?
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Old 01-11-2015, 05:01 PM   #5
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Awesome stuff... wish to learn it one day...
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Old 01-11-2015, 05:57 PM   #6
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Very nice.I did a bit of the LW in College.
Do yo use the silica shell method for the mold?
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Old 01-11-2015, 10:12 PM   #7
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Quote:
Originally Posted by kayjay2C View Post
Love it! The flower appears too delicate to support the weight of the 2 birds but obviously it isn't. Can you DIY the casting process or does it require too high a temperature?
Yes it is possible to DIY the entire project, which is what I did. I build myself a furnace. There are many ways to power a metal melting furnace, but I generally use propane since it is widely available (a BBQ propane tank, with a high pressure regulator, running about 30 psi of propane) connected to an air blower/fan to raise the temperature in the furnace to around 3400F. The metal melts around 2500-2700F and I pour at a few hundred degrees above that so it doesn't cool too fast.

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Originally Posted by Clayman View Post
Just curious, do you have your own foundry? Where are you melting and pouring the metal? Where is harrogate, tn in relation to Nashville?
I did build two furnaces, and have a small home foundry setup but I do not own a commercial one.

Harrogate is right next to Cumberland gap, near the trisate point. Though my furnace is back in Connecticut where I used to live. I'm down here finishing up med school, but I go back for the breaks and do a bit of casting when I'm there.

I have a much smaller electric furnace down here that I have begun to use for casting silver jewelry and smaller bronze pieces.

Nashville is about 4 hours from here.

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Originally Posted by Xiaozhuang View Post
Awesome stuff... wish to learn it one day...
AlloyAvenue is a good online forum which helped me build all the equipment I needed and taught me how to cast metal. Lots of resources on there. They are great and will answer all your questions: http://www.alloyavenue.com

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Originally Posted by Riceman View Post
Very nice.I did a bit of the LW in College.
Do yo use the silica shell method for the mold?
Yes! I used fused silica for the mold. Its ceramic shell. Really nice stuff, much better than plaster of paris and wire. Any pics of your sculptures?

This is my new furnace, I just finished building it a few months ago:


This was my first furnace:


This is a brown casting wax copy of the original red wax bird:


This is the ceramic shell:


This is what the metal statue looks like after it comes out of the mold.


Cut off from the sprues:


Polished up:


This is what the flowers looked like after they were cast, cleaned up and a few flowers were welded on. After this step I added a patina with liver of sulfur to make the stem black. Then I applied turpentine and bees wax to the outside of the flower to protect it against tarnishing.
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Last edited by Zapins; 01-11-2015 at 10:23 PM.. Reason: felt like it
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Old 01-11-2015, 10:27 PM   #8
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Great stuff. Im glad you showed more of the process. Thanks for sharing.
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Old 01-11-2015, 10:31 PM   #9
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True art and skill.
A beauty to see and see how formed.
Thanks I love metal!
Furnace #1 looks FUN!
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