[GreenKeys] [External] Re: WD-40

[Scott Johnson]

The Zoom spout oiler you buy for electric motor use is just 10W machine oil.  Maybe they are referring to steam turbines, or roof ventilator turbines, Hi!  MIL-7808 turbine oil is synthetic, and if you like to use it, it is $15-20 qt. at you local FBO. There are two variants, differing in viscosity.  I use it for a variety of things, but I still have a 2 gallon can of teletype oil, so I am set.  In fact, if you live in the Phoenix area, bring a bottle, and I will fix you up.

 

Scott V. Johnson W7SVJ

5111 E. Sharon Dr.

Scottsdale, AZ 85254-3636

H (602) 953-5779

C (480) 550-2358

scottjohnson1 at cox.net <mailto:scottjohnson1 at cox.net> 

scott.johnson at ieee.org <mailto:scott.johnson at ieee.org> 

 

From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net> On Behalf Of 1oldlens1
Sent: Sunday, September 6, 2020 1:47 PM
To: Jones, Douglas W <douglas-w-jones at uiowa.edu>; Jeffrey Angus <jdangus at att.net>; greenkeys <greenkeys at mailman.qth.net>
Subject: Re: [GreenKeys] [External] Re: WD-40

 

There is something called turbine oil made for high speed machinery.  I suspect a lot of fine machinery pil is repackaged turbine oil.

 

 

 

Sent from my Samsung Galaxy smartphone.

 

 

-------- Original message --------

From: "Jones, Douglas W" <douglas-w-jones at uiowa.edu <mailto:douglas-w-jones at uiowa.edu> > 

Date: 9/6/20 12:59 PM (GMT-08:00) 

To: Jeffrey Angus <jdangus at att.net <mailto:jdangus at att.net> >, greenkeys <greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net> > 

Subject: Re: [GreenKeys] [External] Re:  WD-40 

 

From: Jeffrey Angus [jdangus at att.net] -- Sunday, September 6, 2020 2:12 PM

> A specific oil?

When Teletype Corporation was a branch of the Bell System, they recommended KS7470 oil.  That is no-longer available, but I did some research.  See:
-- https://www.cs.uiowa.edu/~jones/pdp8/UI-8/ks7470oil.shtml

I've been using Starrett 1620 Tool and Instrument Oil, because it comes in convenient sized small bottles.

One datasheet I found said this is really Nye Delicate Machinery Oil 113, which you can easily buy by the gallon or drum.

But, on my small instrument-makers lathe, I use sewing machine oil.  It's clear instead of yellowish, but seems very similar in general characteristics.  You can get it at just about any fabric store.  I learned about this when I encountered a secretary at work deep in discussion with a coworker who restores full-sized steam locomotives for a hobby.  Her hobby was restoring sewing machines, and they were deep in a discussion of freeing old rusted mechanisms, cleaning bearings, degunking and lubrication.  It turns out that an old sewing machine that's been rusting in a barn for 50 years is no more or less a problem than an old locomotive that's been rusting in a city park for 50 years.  Aside, that is, from the matter of size.

            Doug Jones
            jones at cs.uiowa.edu <mailto:jones at cs.uiowa.edu> 



--
"I am a river to my people."
Jeff-1.0
WA6FWI
www.foxsmercantile.com <http://www.foxsmercantile.com> 

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