X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omr-m10.mx.aol.com ([64.12.143.86] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTPS id 6513940 for flyrotary@lancaironline.net; Sun, 13 Oct 2013 20:22:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.143.86; envelope-from=Lehanover@aol.com Received: from mtaomg-ma04.r1000.mx.aol.com (mtaomg-ma04.r1000.mx.aol.com [172.29.41.11]) by omr-m10.mx.aol.com (Outbound Mail Relay) with ESMTP id 5B76D700000AA for ; Sun, 13 Oct 2013 20:22:14 -0400 (EDT) Received: from core-mod004c.r1000.mail.aol.com (core-mod004.r1000.mail.aol.com [172.29.196.13]) by mtaomg-ma04.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 34C8CE000086 for ; Sun, 13 Oct 2013 20:22:14 -0400 (EDT) From: Lehanover@aol.com Full-name: Lehanover Message-ID: <4d14d.4a6c9792.3f8c9335@aol.com> Date: Sun, 13 Oct 2013 20:22:14 -0400 (EDT) Subject: Re: [FlyRotary] Re: waterless coolant? To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4d14d.4a6c9792.3f8c9335_boundary" X-Mailer: AOL 9.7 sub 1028 X-Originating-IP: [173.88.1.16] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1381710134; bh=PIFLL3rLgA8x8cYQSSn6SghzPfGYIgpNMI3zOe8+2M0=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=IJ8UbXoeCETvbmjIoNHghFSRbdPqtu8mADP1RxlHfmISpbKUXAH+lUvMjBji+eueD zoKjS2ZzAj2mMuIqDdtByxqkVwwXC+Tc/MUm+MhYXT/SHJH5V3n4TBavEuD+j72Ml+ JDrhtZTJdoTTwAI3X74Hbmm+pdWqVjAEVc7GhU9I= x-aol-sid: 3039ac1d290b525b39364a10 --part1_4d14d.4a6c9792.3f8c9335_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit The 70%/30% mixture was used in most water cooled aircraft engines in WWII. Winter operations and romping about above 25,000 feet requires ethylene glycol. The racer uses distilled water and 10% glycol plus Redline Water Wetter or 1/2 teaspoonful of Dawn Dish soap. A 22 pound Stant lever cap. In the fall I used a 160 degree thermostat with 3 1/8" holes through the rim. Thermostats fail in the closed position. Those three holes can cool the engine at less than full throttle. We usually have to tape over about 1/3 of the radiator to hold 160 degrees. The three holes also help remove air from the system faster. Lynn E. Hanover In a message dated 10/13/2013 4:24:29 P.M. Eastern Daylight Time, neil.unger@bigpond.com writes: Regarding coolants of both types, what is the current thinking of running a thermostat, yes , no or possibly? Neil. --part1_4d14d.4a6c9792.3f8c9335_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

The 70%/30% mixture was used in most water cooled aircraft engines in = WWII.=20 Winter operations and romping about above 25,000 feet requires ethylene gly= col.=20 The racer uses distilled water and 10% glycol plus Redline Water Wetter or = 1/2=20 teaspoonful of Dawn Dish soap. A 22 pound Stant lever cap. In the fall I us= ed a=20 160 degree thermostat with 3 1/8" holes through the rim. Thermostats fail i= n the=20 closed position. Those three holes can cool the engine at less than full=20 throttle. We usually have to tape over about 1/3 of the radiator to hold 16= 0=20 degrees.

The three holes also help remove air from the system faster.

Lynn E. Hanover

In a message dated 10/13/2013 4:24:29 P.M. Eastern Daylight Time,=20 neil.unger@bigpond.com writes:

Regarding coolants of both types, what is the current thinking of ru= nning=20 a thermostat, yes , no or possibly? =20 Neil.

--part1_4d14d.4a6c9792.3f8c9335_boundary--