Wes I you mix a small amount of bentone with some oil it will set up fairly hard. I don't think the ratios are critical for this test. I can't remember...
36251
Jeff Spoor
flaminganvil
Jun 2, 2006 10:15 pm
Hello all, new to group here. I have been blacksmithing and welding for about 10 years now and have always thought about foundry work for a couple of reasons....
36252
Dave
odd_kins
Jun 3, 2006 1:13 am
Welcome. I'm using a burner with a blower as well. Propane at 15lbs pressure through a .035 orifice and a 60 cfm blower. Melt time for brass is 35 - 45...
36253
Jeff Spoor
flaminganvil
Jun 3, 2006 12:49 pm
Dave thanks, I was thinking of redoing the pipe that I have the out let of gas today anyway, trying a larger Cubic Feet Per Minute blower. What you said about...
36254
carnal2u2002
Jun 3, 2006 1:01 pm
I am looking to find some of the work of this man who was on the frugal machineist . He had some of the most inventive machines online from a good band saw to...
36255
Dave
odd_kins
Jun 3, 2006 3:30 pm
I've added a couple of pictures of my burner. I made the venturi and used a mig tip that I had to adjust for length. the burner tube and blower are ajustable,...
36256
Andrew Werby
awerby
Jun 3, 2006 6:08 pm
Message: 2 Date: Fri Jun 2, 2006 3:15 pm (PDT) From: "Jeff Spoor" flaminganvil@... Subject: new to group Hello all, new to group here. I have been...
36257
Clint D
driggars
Jun 3, 2006 6:53 pm
That would be Roy (Chipmaker) or another (Frugal Machinist) he got pissed at his web hosting server and hasnt put his site back up as of yet but you can still...
36258
Clint D
driggars
Jun 3, 2006 6:56 pm
I posted that link wrong, it should be .org not .com http://www.archive.org once there you can find most any older sites Clint ... [Non-text portions of this...
36259
L. Oliver
agent_eight
Jun 3, 2006 7:53 pm
Hi, A few months ago I finally got around to testing a MAPP gas burner concept that I had in mind. The results are very promising. It uses a disposable MAPP...
36260
Jeff Spoor
flaminganvil
Jun 4, 2006 2:35 am
Thanks for the information Adrew, I can do one of two things on the air pressure. one is use the out hole on the shop vac or two the air compressor. That does...
36261
Dave
odd_kins
Jun 4, 2006 2:35 am
Darn, I wish someone would have told me that before I melted the copper. ... welding for ... a couple ... back in to a ... to melt ... a burner ... squirrel...
36262
Dave
odd_kins
Jun 4, 2006 3:38 am
Squirrel cage fans are used in shop vacs and blowers systems, the idea is to get the best fit for your burner. I've got a 3/4 in burner with a 60cfm squirrel...
36263
Daniel C Postellon
dpostellon
Jun 4, 2006 6:57 pm
I was looking at the Ironbridge 06 site, and saw the mention of embeding nichrome wires in resin-set sand molds, and using them to burn out a wax model. This...
36264
jesse Brennan
caster4245
Jun 4, 2006 11:04 pm
I haven't personally done it but have seen it done in 02 possibly by the same person as at Ironbridge 06. He used laundry drier elements , I believe. It...
36265
Daniel C Postellon
dpostellon
Jun 5, 2006 12:38 am
I found it again. The person at Ironbridge was Nathan Goodson, from Tuscaloosa, Alabama. He is calling the process "eclectro melt"....
36266
Robert K. Beecroft
nffsflyer
Jun 5, 2006 1:07 am
I like this idea. Do you happen to have Ironbridge39;s URL? Bob Fallbrook, California USA ... From: Daniel C Postellon Date: 06/04/06 11:57:06 To:...
36267
Daniel C Postellon
dpostellon
Jun 5, 2006 1:25 am
www.ironbridge06.org I'm in the "online" exhibition, as is a work done by Goodson with this technique...
36268
Gary Reese
gizmo46953
Jun 5, 2006 11:05 pm
I used up my good luck for this month. Local foundry gave me about 400lbs of green sand. Kinda nice to have the real thing for a change. Was looking into petro...
36269
Jeff Spoor
flaminganvil
Jun 10, 2006 9:12 pm
I got so close today to melting copper. I am going to utilize the ceramic type crucible next time. I am using a different style burner. For air I am using...
36270
Daniel C Postellon
dpostellon
Jun 11, 2006 1:17 am
You really don't want to melt copper in a steel pot. Copper alloys generally melt at lower temperatures than pure copper, if they otherwise suit your purpose....
36271
Clint D
driggars
Jun 11, 2006 3:12 am
Jeff take this in consideration while melting copper and brass using steel crucibles I have done it, but I do it with the thoughts in my head that at least ...
36272
Jeff Spoor
flaminganvil
Jun 11, 2006 5:24 am
Whoa do-da day!!!!! I got to work a bit to good!!!!!!!! I tweaked it all right, I remembered what member here told me about airflow, I tried the Squirrel Cage...
36273
jesse Brennan
caster4245
Jun 11, 2006 5:25 am
It is best if you stay away from attempting to work with copper-- It has properties that make it very difficult to work with. If you tried again you probably...
36274
wtbaker69
Jun 11, 2006 11:30 pm
Tom, Thanks for the very good info in this post. The indopol I found in fact was a very thin product not nearly like 90 wt gear oil. It was an L-24. At this...
36275
Lyle
creepinogie
Jun 12, 2006 3:57 am
What is "round" sand? No fractured faces or angularity??? LL ... It's ... initially? ... it is ... catalist in ... have ... add ... have ... from ... ...
36276
Eric Poulsen
eric_poulsen
Jun 12, 2006 11:04 pm
I've been emailing with someone named Harry at lagraphite.com WRT their clay-graphite crucibles (or lack thereof). They seem to be completely out except for a...
36277
Hroller McKnutt
ld_hrothgar
Jun 13, 2006 1:17 am
... They have been selling out for a while now... they are going out of business and I'm pretty sure their website has info on it to that effect. Mike ...
36278
Carl Wilhelm Soderstrom
red_chrome
Jun 13, 2006 1:24 am
... I've seen that done by another caster, with very good success. -- Carl Soderstrom...
36279
Tom DeClue
tdeclue
Jun 13, 2006 2:42 am
HI, I've been monitoring the site for about a year now and still haven't made my first cast but I'm getting close. I've made the foundry, have a pair of clay...