[SEL] Foundry Question

[Jim Kirkes]

Hi Peter,

Sounds really interesting, could you sends us a picture if 
the furnace?

Jim

Jim and Diane Kirkes
Hemet, California U.S.A.
jd.kirkes at verizon.net
----- Original Message ----- 
From: "peter ogborne" <jopeter at omninet.net.au>
To: <sel at lists.stationary-engine.com>
Sent: Tuesday, August 04, 2009 4:48 AM
Subject: [SEL] Foundry Question


This is a difficult question ,at least I mean getting the 
correct answer .. I have friend who has had quite good 
success with his home foundry . To date he has cast 
alluminium ,brass and bronze and a small number of cast iron 
jobs .He cast two CI bearing caps for me and they machined 
well and the castings are first class. His home made furnace 
is fueled by LPG with an air blower . The furace itself is a 
crucible with flame entering at a tangent . There has been 
no great problem with noise apart from the normal ''Roar'' 
of the blower and flame whilst melting Alluminium ,Brass or 
Bronze . With higher temperature required for the Iron melt 
comes a high frequency scream  It alternates in its volume 
..Unfortunately this noise now presents a neighbor 
problem.It only occurs with the higher temp required for the 
iron.
I know this is not an explicit explantion of the symptons 
but has any one experienced anything like this ?
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