Do You wants learn a lot for engine construction? go to http://archive.dstc.edu.au/BDU/staff/ron/. Regards. Antonio from Spain ... [Non-text portions of this...
33043
Daniel C Postellon
dpostellon
Dec 1, 2004 2:22 pm
I was thinking about doing the same thing, but I was thinking of assembling the foam pieces first, then casting the whole dino. My first attempt is awaiting...
33044
Daniel C Postellon
dpostellon
Dec 1, 2004 2:23 pm
Actually, the original process as developed at MIT used greensand, and was used to cast bronze art sculpture. People have used CO2 set sand, resin sand, and...
33045
ken shingles
parkerlives76
Dec 1, 2004 3:06 pm
Thanks Rick ... address 'mlprojects@yahoogroups.com' it will find the mark. I can't seem to locate these interest groups you're talking about. ... there are...
33046
Stone Tool
owly055
Dec 1, 2004 3:53 pm
When I was at Gene's place we were talking about how to cast a thin placard which was being done with the whole backside open. It looks to me like on a thin...
33047
Greg Meyer
meyerga00
Dec 1, 2004 7:59 pm
Dan in Auburn, Is that Auburn, Alabama??? Greg in England...
33048
danielbrewer2004@...
danqualman
Dec 1, 2004 8:15 pm
Auburn Washington, Just south of Seattle ... [Non-text portions of this message have been removed]...
33049
Aaron Toney
joeboy4h
Dec 1, 2004 10:26 pm
... My problem was mostly one of gating. I couldn't figure out how to feed dozens of separate pieces of thin foam without the metal starting to chil and ruin...
33050
Carl Wilhelm Soderstrom
red_chrome
Dec 1, 2004 11:22 pm
... what are you using for a power supply for it? I'm an electrical /dummkopf/ so far; so I'm looking for simple ways to organize one. -- Carl Soderstrom Snow...
33051
Frank Hasieber
fhasieber
Dec 1, 2004 11:42 pm
I use a Variac, a variable output transformer, as these are live at mains potential (single wound not double) it is a good idea to use an isolating transformer...
33052
Aaron Toney
joeboy4h
Dec 1, 2004 11:55 pm
... We have been using power supplies scavenged from old PCs for our power supplies. While it works I don't recommend it as there is no way to do temperature...
33053
Rupert Wenig
rwenig1
Dec 2, 2004 1:05 am
Hello Dan, A friend of mine uses petrobond most of the time for lost foam casting. He embeds the foam pattern in the petrobond and rams it lightly and pours....
33054
Carl Wilhelm Soderstrom
red_chrome
Dec 2, 2004 1:13 am
... AT or ATX supplies? From what I heard, the AT supplies get turned on when you hit the switch; but on the ATX ones you need to bridge a couple of pins on...
33055
Chris Boyer (CB)
boyercl2002
Dec 2, 2004 1:18 am
... Carl Many different transformers are available. I have been using a RadioShack transformer Catalog #: 273-1511 about $10.00 A fan control from Lowes, Light...
33056
Stone Tool
owly055
Dec 2, 2004 1:50 am
I have built a number of three phase inverters over the years for various people..... quite a few actually... and each is unique in it's own way and tailored...
33057
Stone Tool
owly055
Dec 2, 2004 1:51 am
Rupert: Does he use extruded polystyrene ( XPS ) Blue or pink .... or the beadboard expanded polystyrene (EPS)? H.W....
33058
geoffrey roberts
rbrts1035
Dec 2, 2004 2:02 am
Hi, how many btu's are needed to melt a pound of brass? Thanks, geoff ... We have been using power supplies scavenged from old PCs for our power supplies....
33059
geoffrey roberts
rbrts1035
Dec 2, 2004 2:04 am
Hi, are the Babington burners useful for melting brass? Thanks, geoff<>< ... We have been using power supplies scavenged from old PCs for our power supplies....
33060
Daniel C. Postellon
dpostellon
Dec 2, 2004 2:53 am
Thanks. Looks like I'll have to get some Petrobond and give it a try. Dan ... From: "Rupert Wenig" <rwenig@...> To: <hobbicast@yahoogroups.com> ...
33061
Michael Wood, Cincinn...
michaelwood212
Dec 2, 2004 2:58 am
I bought a boatload of Miller CC/CV welders at auction a while ago for a friend that wants to rebuild them. Some of the Millers have a self-aware hookup that...
33062
Rupert Wenig
rwenig1
Dec 2, 2004 3:42 am
Hello Howard, He uses all three types but mostly the white beaded foam. For instance to make a candle holder, he cuts a block to the rough dimensions then goes...
33063
rbrts1035@...
rbrts1035
Dec 2, 2004 4:23 am
How many btu's are required to melt a pound of brass? Thanks, geoff<>< [Non-text portions of this message have been removed]...
33064
rbrts1035@...
rbrts1035
Dec 2, 2004 4:24 am
How many btu's are needed to melt a pound of brass? Thanks, geoff<>< [Non-text portions of this message have been removed]...
33065
Stone Tool
owly055
Dec 2, 2004 4:32 am
Mike: The newer stuff brings a pile of money..... but there is a lot of old industrial three phase only stuff out there. Inverter welders generally don't...
33066
Michael Wood, Cincinn...
michaelwood212
Dec 2, 2004 4:57 am
So am I! <grin> That's why I haunt the auctions in my area. My wife forced me to swear off till the new year. My entire back yard is littered with machines...
33067
Dan Brewer
danqualman
Dec 2, 2004 6:30 am
For those folks who have had a hard time finding supplies in your area. I found this site and it might be of some use to you. ...
33068
Greg Jahnke
gcjahnke2000
Dec 2, 2004 6:35 am
The depends largely on how efficient your furnace is. ... From: <rbrts1035@...> To: <Hobbicast@yahoogroups.com> Cc: <Rbrts344@...> Sent: Wednesday,...
33069
rbrts1035@...
rbrts1035
Dec 3, 2004 4:10 am
Has anyone had any experience with the Babington? Thanks, geoff<>< [Non-text portions of this message have been removed]...
33070
geoffrey roberts
rbrts1035
Dec 3, 2004 4:10 am
Hi, i want to know the heat required to melt brass. i can melt 20 pounds of Silicon Brass in 35 minutes from a cold start. i'm building a new furnace and will...
33071
edi malinaric
emovi1939
Dec 3, 2004 7:44 am
Hello Geoff - first my apologies for not answering your question on first posting. I was hoping that someone else would jump in. To begin with - I'm going to...
