Just to wrap this thread; the project is complete. All sections welded and blended and the customer is very happy. I had intended in leaving the...
Found you on Utube long before finding you here. Great work and finding inspiration to try the LF method myself.
Hey all, I agonised for weeks over trying the lost foam method but just couldn't risk losing the original piece. Would not be a good look, phoning...
Yes and stretches to remove as well, so the plaster positive has that top edge/lip. There may be a way to stop the plaster sticking to the foam...
Process of turning the styrofoam to plaster patterns Hot wire cutting the original into four pieces Silicon applied to make negatives Plaster...
Hey Jeff and David, here's a pic of the four parts. Next step to trim/clean up, tack and weld. The exterior welds will be tiny, so as not to upset...
Very interesting project MHJ and very helpful to see your techniques in action. Thats a good result on such a deep drag. I did think of adding...
So now I'd worked out how to stop the cope from dropping out, I quickly mulled the sand and rammed up the last piece which is very similar. The...
Here is the second attempt...finished piece/opening/ramming the flask The gagger worked well...cope projection stayed put and the pour was a...
Cocky from the two successful pours, I rammed up the next piece....and had a drop out. The cope has a fairly large piece to fill the void in the...
[ATTACH] [ATTACH] [ATTACH] [ATTACH] Poured another part to the project today. Pics below. Same technique/15deg tilt, vents in cope but only 6...
Thanks for the advice HT1, the vents on the cast part can be removed when I dress that interior surface. In saying that, I'll use your method of...
[ATTACH] Sprue, runner, gates and riser seem to have worked well. I'll mull the facing sand and add water. One down, three to go. Next cast will...
End result below. The facing sand was a little on the dry side so a couple of very minor cave in, though they will be on a weld seam so all good....
Hi Jeff, HT1, So taking some guidance from your fine selves, I poured again this evening. Note the flask at 15deg. Vent holes in cope only....
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