Here is a link to a youtube video of
my brown wax blank #M126 in action.
http://youtu.be/4scV74nuo08
Blank M126 was poured ⅞/11.
Here is its history:
12:30 mold in oven. (one hour at 450F)
13:33 poured. no overpour. (pour temp. 220C)
14:33 core loose.
15:03 core out.
15:12 wax out: successful casting.
Garage temperature: 90 F
Basement temperature: 73 F (cast in basement)
Outside Temperature: 83 F, sunny, high barometer.
Chuck Richards
User Video of my blank M126
- Chuck
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- Personal Text: Richards Laboratories http://www.richardslaboratories.com producing high quality cylinder blanks
- Contact:
User Video of my blank M126
"Sustained success depends on searching
for, and gaining, fundamental understanding"
-Bell System Credo
for, and gaining, fundamental understanding"
-Bell System Credo
- Roaring20s
- Victor V
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Re: User Video of my blank M126
I enjoyed your post and the link to your website.
It's nice to see that several entrepreneurs are taking on the task in keeping acoustic sound recording alive.
Good work!
James.
It's nice to see that several entrepreneurs are taking on the task in keeping acoustic sound recording alive.
Good work!
James.
- edisonphonoworks
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- Personal Text: A new blank with authentic formula and spiral core!
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Re: User Video of my blank M126
Good work the animal Oct that you are using is good stuff.
-
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Re: User Video of my blank M126
Thanks for sharing this video.
- FloridaClay
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Re: User Video of my blank M126
Ditto. Also enjoyed the content of the cylinder. Hadn't heard that one before. And an Amberola 1 is at the top of my "one of these days when I can afford a good one" list.MemoryLane wrote:I enjoyed your post and the link to your website.
Clay
Arthur W. J. G. Ord-Hume's Laws of Collecting
1. Space will expand to accommodate an infinite number of possessions, regardless of their size.
2. Shortage of finance, however dire, will never prevent the acquisition of a desired object, however improbable its cost.
1. Space will expand to accommodate an infinite number of possessions, regardless of their size.
2. Shortage of finance, however dire, will never prevent the acquisition of a desired object, however improbable its cost.
- Chuck
- Victor III
- Posts: 891
- Joined: Fri Mar 25, 2011 11:28 pm
- Personal Text: Richards Laboratories http://www.richardslaboratories.com producing high quality cylinder blanks
- Contact:
Re: User Video of my blank M126
Thank you to everyone for all of your kind words! I learned that when posting a date such as the date this blank M126 was cast, that it needs to be posted this way: 7-8-11, not this way: ⅞/11, because the ⅞ part comes out as
"seven eighths".
Shawn good guess on the animal-tallow based
stearic acid. This blank however, was made
out of the palm-based stearic. When everything is right, the palm stearic makes some very nice
wax.
One of the first things anyone who ever ventures into making brown wax cylinders will discover, is that there are certainly a large
variety of different brands and types of stearic acid.
The chemistry of stearic acid is complex.
Also, during the past 120 years or so, the
methods used to produce it have gotten somewhat
more complex as well.
My own personal impression of it all is that
today there is more variety available than
there was back in the 1890 to 1920 era.
Back then stearic acid was made from rendered
beef fat, saponified (turned into a soap),
and pressed out twice, hence the name
"double-pressed" stearic.
Stearic acid is part of a large family of
compounds known as "fatty acids". This leads
off into organic chemistry. Stearic acid is
a solid white, somewhat waxy substance at
room temperature. It comes in the form of
flakes, or in some cases they make it into
little tiny spherical "pastules" which are
actually tiny balls about 1/32 of an inch
in diameter. It melts at around 150 degrees
Farenheit. Once melted, it is a clear liquid.
...This is where the fun starts...raise the temperature of the clear liquid to around 380
degrees F, stand back...and dump in some hydrated aluminum solution.
Today double-pressed stearic acid is
still available, but in
addition there's also a newer process that
involves three stages of pressing out, and
its name is "triple pressed". Often the
chemical companies abbreviate "triple pressed
stearic acid" as TPSA.
Add to that, new bases such as palm and other
vegetable products, and the variety is huge.
Some brands of stearic make much better blanks
than other brands do. Some are notoriously
noisy. Some others work easily in the wax
formula and yield up nice quiet, sensitive
blanks.
Chuck
"seven eighths".
Shawn good guess on the animal-tallow based
stearic acid. This blank however, was made
out of the palm-based stearic. When everything is right, the palm stearic makes some very nice
wax.
One of the first things anyone who ever ventures into making brown wax cylinders will discover, is that there are certainly a large
variety of different brands and types of stearic acid.
The chemistry of stearic acid is complex.
Also, during the past 120 years or so, the
methods used to produce it have gotten somewhat
more complex as well.
My own personal impression of it all is that
today there is more variety available than
there was back in the 1890 to 1920 era.
Back then stearic acid was made from rendered
beef fat, saponified (turned into a soap),
and pressed out twice, hence the name
"double-pressed" stearic.
Stearic acid is part of a large family of
compounds known as "fatty acids". This leads
off into organic chemistry. Stearic acid is
a solid white, somewhat waxy substance at
room temperature. It comes in the form of
flakes, or in some cases they make it into
little tiny spherical "pastules" which are
actually tiny balls about 1/32 of an inch
in diameter. It melts at around 150 degrees
Farenheit. Once melted, it is a clear liquid.
...This is where the fun starts...raise the temperature of the clear liquid to around 380
degrees F, stand back...and dump in some hydrated aluminum solution.
Today double-pressed stearic acid is
still available, but in
addition there's also a newer process that
involves three stages of pressing out, and
its name is "triple pressed". Often the
chemical companies abbreviate "triple pressed
stearic acid" as TPSA.
Add to that, new bases such as palm and other
vegetable products, and the variety is huge.
Some brands of stearic make much better blanks
than other brands do. Some are notoriously
noisy. Some others work easily in the wax
formula and yield up nice quiet, sensitive
blanks.
Chuck
"Sustained success depends on searching
for, and gaining, fundamental understanding"
-Bell System Credo
for, and gaining, fundamental understanding"
-Bell System Credo