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burner question

(21)
For those interested: http://thermodynamics-engineer.com/nozzle-and-diffuser/ I had to go look it up because it seems backwards to me. I would have thought
Jeremy Winder
21
posts
6:24 PM

Propane safety

(20)
Howard, During my time in the shipyards I used Airco torches, but when they closed I had to buy my own tools for working with the fishing fleet. Harris became
michaelporter1946
20
posts
Apr 15

Brazing hearth bricks using sand and sodium silicate

(8)
LanceThanks for the info, it is always best to be informed. I'll give it a try.Nelson Collar From: "Lance Eggleston wheezer606@verizon.net [hobbicast]"
Nelson Collar
8
posts
Apr 13

anyone make their own crucibles (for brass / bronze)

(42)
thanks John I will check it out. I am pouring tomorrow - will take a note of how well the SFS stuff I bought works - had too much porosity last time.
caryncbreeef
42
posts
Apr 12

small batch cast iron

(11)
We have a small foundry locally that does induction casting of small parts for two local rifle manufacturers who make custom reproductions of Sharps and other
StoneTool
11
posts
Apr 10

Rust on welding wire

(8)
I went to buying small rolls made in America rather than China and problem solved. From: hobbicast@yahoogroups.com To: hobbicast@yahoogroups.com Date: Mon, 6
Larry Davis
8
posts
Apr 6

Inventing for agriculture

(41)
Mikey: Once you get larger than a 4", the body size becomes an issue, and they need to be designed like reduced versions of the 7" and 9" grinders with a
StoneTool
41
posts
Mar 29

furnace repair, ITC 100 etc

(3)
thanks Nelson, I guess then I can used Metrikote IR reflective , ITC 100 or Plistix over this?
caryncbreeef
3
posts
Mar 11

Propane usage question

(40)
The multiple burner forge versus multiple forges lined up in a row for sword work was kicked around over ten years ago on a blacksmith newsgroup, and never
mikey98118
40
posts
Mar 1

Re: Propane usage question & any S. Florida locations for Castable R

(3)
Cary, There are high priced special crucibles designed for use in tilt furnaces. Or, you can trap the crucible in the furnace with a recessed furnace bottom
mikey98118
3
posts
Mar 1
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