... trying to track down a reasonably close ... Is not difficult. Antonio. ... _______________________________________________________________ Do You Yahoo!? ...
12301
antonio ramos
toki_500
Mar 1, 2002 8:43 am
Hello all. I canīt find a supplier for ferrosilicon for my cast. I have read that silicon is need for machining well the cast iron. My ask: Add alu pistons to...
12302
uhrgerat
Mar 1, 2002 10:57 am
That's what I was thinking, Antonio. What proportions did you use and how did you time the melt? Jim ... __________________________________________________ Do...
12303
antonio ramos
toki_500
Mar 1, 2002 11:50 am
... what I was thinking, Antonio. What ... nicely. If you want could add some copper, but no much. Melt alu , add some wire copper from electicity wire, you...
12304
uhrgerat
Mar 1, 2002 12:13 pm
Thanks, Antonio! Nice website for the engine. ... __________________________________________________ Do You Yahoo!? Yahoo! Greetings - Send FREE e-cards for...
12305
Scott Hite
rigidshovelr...
Mar 1, 2002 1:59 pm
Antonio, Our sponsor BCS sells FeSi in small amounts but I doubt that does you much good in Spain. Try going to a local ferrous foundries and ask them for ...
12306
gunsmith@...
gunsmith77351
Mar 1, 2002 3:40 pm
Antonio, how well does that alloy cut with a saw or file? Is it hard or strong or what? What are the characheristics? Is is a good lower melting temp...
12307
Smoke
smoke2k02
Mar 1, 2002 4:00 pm
That's interesting. I would have thought you'd need to melt the higher melting point copper before melting the aluminum. Does anyone know if this would be...
12308
Feiertag, Frederick J
fjf5766
Mar 1, 2002 4:05 pm
Sugar melts at a much higher temperature than water. Yet solid sugar dissolves into liquid water quite nicely. Copper dissolves into liquid aluminum in a...
12309
uhrgerat
Mar 1, 2002 4:06 pm
The proportions of ACuZinc are different from the ones Antonio posted. Basically it's about 83% Zinc with 10% Copper and 7% Aluminum. It has a Brinell...
12310
gunsmith@...
gunsmith77351
Mar 1, 2002 4:14 pm
Doesn't that indicate that this becomes a true "solution"; rather than a mixture? The aluminum does seem to just wash away the copper into solution. Jack F ...
12311
Feiertag, Frederick J
fjf5766
Mar 1, 2002 4:25 pm
exactly, the copper is being dissolved, not melted. However, the solution can only "hold" 5.5% by weight copper. Above that percentage, the copper forms a...
12312
Smoke
smoke2k02
Mar 1, 2002 4:25 pm
I'll have to give that a try...soon as I find some zinc ingots. It might make some good castings for machine parts. Smoke...
12313
gunsmith@...
gunsmith77351
Mar 1, 2002 4:45 pm
Ok, by volume then, that is a lot of aluminum and a relatively small amount of copper. Jack F ... ============================== Tact and diplomacy is no...
12314
Donald H Locker
dhlocker
Mar 2, 2002 12:10 am
Hi, Charles. You might try http://www.host33.com/casting/ This site (Foundry 101) has some pictures and text describing their version of gating rules. HTH ...
12315
Donald H Locker
dhlocker
Mar 2, 2002 4:56 am
Pistonium!! that just found a place in my vocabulary! Donald....
12316
my_smokepole
Mar 2, 2002 5:31 am
Have been useing one crucble for brass can I still use the same one for alualuminum? Thanks David...
12317
Ray Brandes
rvbrandes
Mar 2, 2002 12:13 pm
David, Yeah, you can, but everyone will tell you not to. What happens is that small amounts of brass or aluminum left in the pot will combine with the next...
12318
Ray Brandes
rvbrandes
Mar 2, 2002 12:52 pm
Everyone; RubyMae and I drove up to Harpersville, Alabama (The Beautiful) yesterday to pick up some crucibles that Charles Logan was good enough to find for...
12319
hfd220@...
hfd220
Mar 2, 2002 1:33 pm
Everyone, It was great to have Ray and RubyMae up for the visit. It is always great to meet people from Hobbicast. Ray mentioned the speed with which the mold ...
12320
Joe and Betty Harralson
enginejoe123
Mar 2, 2002 5:20 pm
David, it's not a good idea to mix materials. You really ought to have a different crucible for the aluminum. You will contaminate the materials and get poor...
12321
jeffgnu
Mar 2, 2002 5:53 pm
I have just updated my Hobby web site on my Metal casting stuff. check it out http://www.condor.d2g.com It uses frames, so if your brower doesn't support...
12322
grantfair2001
Mar 2, 2002 10:45 pm
I would like to build a 'Lil Bertha' furnace. I have a pipe crucible which is 4" by 10" high. It has ears on both sides for tongs to lift, so the required...
12323
hfd220@...
hfd220
Mar 3, 2002 12:20 am
Hello All, Just wanted to let you know I uploaded 2 photos to Hobbicast. They are in a folder named A & B Castings. They are the 31 molds I poured today and my...
12324
baggy45
Mar 3, 2002 4:15 am
What types of safety precautions should I take when working with dry or wet silica sand? The guy at the ceramic store said that I should not to breath in too...
12325
catboat15@...
olewilly2000
Mar 3, 2002 5:11 am
In a message dated 3/2/2002 4:13:42 AM Pacific Standard Time, rvb@... ... Ray: What is gun metal? I know the castings I have purchasd from England are ...
12326
catboat15@...
olewilly2000
Mar 3, 2002 5:23 am
To far for me to come! but what a great guy Charles Logan must be to share his knowledge and experience to a bunch of amateurs. Not at all like some people I...
12327
emovi@...
emovi1939
Mar 3, 2002 6:22 am
... From: <catboat15@...> To: <hobbicast@yahoogroups.com> Sent: Sunday, March 03, 2002 7:23 AM Subject: Re: [hobbicast] A&B Castings - A Visit ... share ...
12328
gunsmith@...
gunsmith77351
Mar 3, 2002 7:32 am
Make some provision to have the dust cloud vent very well away from you and buy a good canister breather. Ordinary maskes are not quite enough. I do a lot of...
12329
c_reynolds2571
Mar 3, 2002 7:39 am
I have been using petrobond that I bought from BCS, and I've started to take an interest in lost foam casting. I guess what I'd like to know is where I can...
