Return-Path: <13brv3@bellsouth.net> Received: from [209.114.234.2] (HELO IPOfCard1.guest-tek.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3177628 for flyrotary@lancaironline.net; Sun, 18 Apr 2004 17:23:46 -0400 Received: from USDCLES112NB160 ([198.18.1.149]) by IPOfCard1.guest-tek.com (8.11.6/8.11.6) with SMTP id i3ILAqu30469 for ; Sun, 18 Apr 2004 17:10:52 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: coolant/water percentage? Date: Sun, 18 Apr 2004 17:24:17 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00DA_01C42569.FAACF810" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_00DA_01C42569.FAACF810 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit "Water Wetter" - Motor cycle shops have it - expensive. I used this with distilled water in the rev-1 version, and it worked fine. That would be my choice for non-winter use. While it's probably expensive, it's not like you buy that much of it. I'm planning on running this stuff (water with conditioner) during times when freezing level is up above 10 or 12 thousand feet (it's 15K here in Texas in summer), then swap out to 50/50 when cooler OAT and therefore don't need "optimum" cooling. David Why do you care what the temp is at 10-12k feet? Do you think your thermostat will ever close completely at cruise power for long enough to freeze water in your radiator? Unless you're planning to completely shut down an evap core in cruise, I don't think you will ever need to worry about freezing in flight. Cheers, Rusty ------=_NextPart_000_00DA_01C42569.FAACF810 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

"Water Wetter" - Motor cycle = shops have=20 it - expensive.

I used = this with=20 distilled water in the rev-1 version, and it worked fine. That = would be my=20 choice for non-winter use. While it's probably expensive, it's not = like=20 you buy that much of it.

I'm planning on running this stuff (water with conditioner) = during=20 times when freezing level is up above
10 or 12 thousand feet (it's = 15K here=20 in Texas in summer), then swap out to
50/50 when cooler OAT and = therefore=20 don't need "optimum" cooling.
David

Why do you care what the = temp is at=20 10-12k feet? Do you think your thermostat will ever close = completely=20 at cruise power for long enough to freeze water in your=20 radiator? Unless you're planning to completely shut = down an=20 evap core in cruise, I don't think you will ever need to worry = about=20 freezing in flight.

Cheers,

Rusty

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