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Old 06-26-2018, 12:14 PM
CFoulke CFoulke is offline
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Join Date: Jun 2018
Location: Sonoma County, Ca
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Default I Tune Metal - Hello from Northern California

Hello,

My name is Colin Foulke and I am a handpan builder and tuner in Sonoma County, California. I was a musician first so the world of shaping metal is still relatively new to me. I have been playing handpans for a decade and building them for half that time. I work with 18 gauge cold rolled steel as my primary material. A few years ago I developed a hydroforming system that was new to this art form. Two years ago I open sourced that system, which you can read about here:

https://www.cfoulke.com/forming.html

I am here to glean what I can and hopefully share what I already know.

Here's an example of what I craft:
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Old 06-27-2018, 08:53 AM
Sprint Relic Sprint Relic is offline
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Welcome to the forum, very interesting stuff .
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Old 06-27-2018, 12:43 PM
crystallographic crystallographic is offline
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Location: Western Sierra Nevadas, Badger Hill, CA
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Quote:
Originally Posted by CFoulke View Post
Hello,

My name is Colin Foulke and I am a handpan builder and tuner in Sonoma County, California. I was a musician first so the world of shaping metal is still relatively new to me. I have been playing handpans for a decade and building them for half that time. I work with 18 gauge cold rolled steel as my primary material. A few years ago I developed a hydroforming system that was new to this art form. Two years ago I open sourced that system, which you can read about here:

https://www.cfoulke.com/forming.html

I am here to glean what I can and hopefully share what I already know.

Here's an example of what I craft:



hmmm, Hang drum ...
tuning by shape, size and hardness.
Nice sounds.
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"All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919.
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Old 06-27-2018, 01:59 PM
cliffrod cliffrod is offline
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Very cool. Welcome to the forum, Colin.



I am curious- have you experimented with deliberate annealing, work hardening or even heat treating, especially with instruments that would be played with something harder than the flesh of the hand, to alter the duration of vibrations & length of sound? I'm thinking more like finger picks or thimbles worn on fingers, not drumsticks or the like.
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Old 06-29-2018, 05:34 PM
crystallographic crystallographic is offline
MetalShaper of the Month October '14 & April '16
 
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Originally Posted by cliffrod View Post
Very cool. Welcome to the forum, Colin.



I am curious- have you experimented with deliberate annealing, work hardening or even heat treating, especially with instruments that would be played with something harder than the flesh of the hand, to alter the duration of vibrations & length of sound? I'm thinking more like finger picks or thimbles worn on fingers, not drumsticks or the like.

To answer your query - and avoiding thread theft ...

Gong straightedge, beat deep.jpg
Had a dented bronze gong ...
Gong anneal.jpg
In order to shrink the dent, I had to anneal the thing.
rkw APH gong sm. copy.jpg
New problem: after shrinking gong now "thwunks" instead of gonging.
Have to hammer the annealed area to work harden it, to get the ring back.
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