Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 794213 for flyrotary@lancaironline.net; Tue, 15 Mar 2005 08:30:05 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050315132921.IRGR5558.imf24aec.mail.bellsouth.net@rd> for ; Tue, 15 Mar 2005 08:29:21 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Electric water pump Date: Tue, 15 Mar 2005 07:27:26 -0600 Message-ID: <000001c52962$bae54a90$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C52930.704ADA90" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C52930.704ADA90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Evan's NPG-R coolant is propylene glycol base? """ Yes. That's what the "PG" stands for. Hi Marvin, NPG is supposed to be Non-aqueous Propylene Glycol. NPG+ is "a non-toxic blend of glycols rather than just propylene glycol". It would appear that there is some ethylene in the NPG+. Here's a Q&A from the site: Question: When should NPG+ be used instead of NPG? Answer: NPG+ is preferred to NPG in all cases except where the ingredient ethylene glycol is specifically prohibited (e.g., use at certain race tracks). NPG-R doesn't have that much info on the site, and they don't specifically say what's in it. I recall the bottle saying that it should be handled and disposed of as you would standard anti-freeze. Now you've got me curious, so I'll email Evan's and ask. Cheers, Rusty (getting a handheld belt sander for cowl shaping duties) ------=_NextPart_000_0001_01C52930.704ADA90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

  Evan's NPG-R coolant is propylene glycol=20 base?
"""

Yes.  That's what the "PG" stands=20 for.
 
   <Marv>

 
Hi=20 Marvin,
 
NPG is = supposed to be=20 Non-aqueous Propylene Glycol. 
 
NPG+ is = "a non-toxic=20 blend of glycols rather than just propylene glycol".  It would = appear=20 that there is some ethylene in the NPG+.  Here's a = Q&A=20 from the site:
 
Question: When should NPG+ be used instead of = NPG?
Answer:

NPG+ is preferred to NPG in all cases except where the = ingredient=20 ethylene glycol is specifically prohibited (e.g., use at certain = race=20 tracks).

 

NPG-R doesn't have that = much info on=20 the site, and they don't specifically say what's in it.  I recall = the=20 bottle saying that it should be handled and disposed of as you would = standard=20 anti-freeze. 

Now you've got me = curious, so I'll=20 email Evan's and ask. 

Cheers,
Rusty (getting a = handheld belt=20 sander for cowl shaping = duties)

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