[TheForge] A different needle question

[Rob Fertner]

The museum shop had a lidded container filled with motor oil, 30W I think.
This has a lower flash point than vegetable oil.

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Fels & Phoebe
Palmer
Sent: Friday, October 25, 2013 3:06 PM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] A different needle question

Needless to say, different oils have different flash points, but close
enough for most applications.

On Oct 25, 2013, at 12:54 PM, <rfertner at cox.net> <rfertner at cox.net> wrote:

That reminds me when I was volunteering at the Cowtown museum in Wichita
back in the '90s and the resident blacksmith told me I could temper a
tomahawk by dunking it into the oil quench, laying it on top of the fire,
slow turning the blower and burning the oil off. He said to do it 3 times
and it would have the right temper.
It worked for the tomahawk.

Rob
---- Bob Ehrenberger <eforge at centurytel.net> wrote: 
> I don't think that I've seen this one on this question.
> 
> I have not tried this, but guys that build flint locks tell me that 
> they temper the springs by putting them in a shallow dish, covering 
> the spring with oil and lighting it.  By the time the oil burns off 
> the spring has reached the proper temper.
> 
> Robert Ehrenberger
> Shelbyville, Mo.
> eforge at centurytel.net
> 
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