Two More Months

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Silverforge
Posts: 40
Joined: Mon Sep 10, 2012 12:21 pm

Re: Two More Months

Post by Silverforge »

OK- so I need to definitely get my ducks in a row and know the differances... Thanks FC
Jeff Clark
Posts: 85
Joined: Mon Dec 05, 2011 3:40 pm
Location: Woods Cross UT

Re: Two More Months

Post by Jeff Clark »

Did my first pour last night after my summer break, I made two new flasks and wanted to give them a try the cope is 2 inches deeper and has better suport and I can get a bit more head psi they seem to work good, Ill get some pics next pour.
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Jammer
Posts: 1579
Joined: Thu Jun 02, 2011 4:04 pm
Location: Ohio

Re: Two More Months

Post by Jammer »

It's hard to get a balance between flimsy lightweight flasks and the advantage of a larger, but much heavier flask. To get head pressure, I've gone with an extension on top of the flask. Maybe an additional 3"+ greensand tube for the sprue and riser. It works but sometime has leaks.
8-) 8-)
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Nudge
Posts: 305
Joined: Sun Jun 05, 2011 6:18 pm
Location: Auckland, New Zealand

Re: Two More Months

Post by Nudge »

A tin can works great for head pressure.
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Here we are doing the pour!
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This is what fell out of the flask after the pour. :) (most will know a bit about this object! )
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I like to build "Stuff" using Stuff that costs Stuff All!
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Jammer
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Joined: Thu Jun 02, 2011 4:04 pm
Location: Ohio

Re: Two More Months

Post by Jammer »

That's the way I do mine. I thought about making a permanent one with refractory, but if the metal sticks just once, it's done.
8-) 8-)
Jeff Clark
Posts: 85
Joined: Mon Dec 05, 2011 3:40 pm
Location: Woods Cross UT

Re: Two More Months

Post by Jeff Clark »

I do have some sections of 3inch exhaust tube I have 3 in sections and some 5 in sections I use for raisers also depending on the part but I did also need some taller flasks on a few of my parts with the 5 in raiser I would blow them out. Two of my old ones on the pour bench.

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