[TheForge] Sidearm burners, Murphy burners & blown burners

[Ron Childers]

Murphy's atmospheric forge w, double burners doesn't seem to scale the work
like my blown forge. Maybe a small piece of oak in the forge would reduce
the oxidation?

Ron C

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Steve Smith
Sent: Tuesday, February 13, 2007 7:59 PM
To: Sponsored by ABANA
Subject: Re: [TheForge] Sidearm burners

That wasn't the approach I was using Marc (but good comments). What I 
was trying to do was take a burner that is pretty much optimized (as far 
as I know) and replace it with a side arm burner of the same mechanical 
size (so it would be easy to swap back and forth).

Measuring propane flow is a good idea, but it will probably take me a 
couple of years to get around to it....

Steve

Marc Godbout wrote:

> Steve, was the mig tip the same hole size as your Reil burner? Same
> pressure? The best test would be to put a flow meter in there and keep
> that constant. That's more of a true measure of propane BTU into the
> forge. Then you're comparing apples to apples when measuring
> temperature.
> 
> --Marc
> 
> On 2/13/07, Steve Smith <sos at alum.mit.edu> wrote:
> 
>> Then I saw that Larry Zoeller had added a sidearm 'kit' (all you have to
>> do is tighten things up). I bought one of these. It came with a tapered
>> mig tip for the gas jet, pretty nice setup and for not much more than
>> the fittings would have cost me. I recently compared the performance of
>> this sidearm burner to a Reil burner. Both are 3/4" body with Larry's
>> stainless flares on the end. I measured with a thermocouple, both in the
>> same, single burner forge.
>>
>> The sidearm was almost as good as the Reil burner. Final temp was maybe
>> 100 degrees lower. This makes me think that the sidearm is just an easy
>> way to put the same burner together, and less impressed with the mig
>> tip. Sounds like this isn't correct--what am I doing wrong?
>>
>> I'm at maybe 300' above sea level, neither burner has a choke. Pictures
>> could be done if important to the plot.
>>
>> Thanks,
>> Steve
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