X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-ww0-f50.google.com ([74.125.82.50] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4465673 for flyrotary@lancaironline.net; Mon, 13 Sep 2010 19:37:01 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.125.82.50; envelope-from=rwstracy@gmail.com Received: by wwb18 with SMTP id 18so6869734wwb.7 for ; Mon, 13 Sep 2010 16:36:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=u4RFyfQyTtgIVpvp8TrGaVhDuNknqKHEnHln7Y0k96c=; b=iFhl/6GOCLwgoOeeB1iNeDXV4YSB7RDFymKnaCWKk9FTq0wLz/xHiGlx2F7YceKes/ ye1v+B3bQp0TOVwF6OQTiRrq4yPRYjAr/Ynh3T8m8/Eo6CU9gavaJxahRcRsWmZ7Wy9x BuVSxRGRcC4vrZ0XNZEXuWOsu9ri9fe+vJovQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=ZObLSd06Im0FMrsBn/9Cx2yHa1bRs0pt4JRpooNpLDf1YHmKt9no8IH1MpzputNI/D hlstaNXhaTJ+7wXhbFuXvFmkKse+nd9DXEd4SqPdlpYh1Az4jUOQlDarSSZlT7xj+DfY oRM081KiJSjxe5fCL3yAnUiO4BmYa/9gdzeOE= MIME-Version: 1.0 Received: by 10.216.90.132 with SMTP id e4mr4981086wef.73.1284420984734; Mon, 13 Sep 2010 16:36:24 -0700 (PDT) Sender: rwstracy@gmail.com Received: by 10.216.163.130 with HTTP; Mon, 13 Sep 2010 16:36:24 -0700 (PDT) In-Reply-To: References: Date: Mon, 13 Sep 2010 19:36:24 -0400 X-Google-Sender-Auth: Uu9YiFGnJJhxjhvLXgeqD10PN8Q Message-ID: Subject: Re: [FlyRotary] Re: Scheduled hose replacement From: Tracy To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=0016e6dab1788984fd04902c9077 --0016e6dab1788984fd04902c9077 Content-Type: text/plain; charset=ISO-8859-1 About the same for me. I have about 10 years on silicone heater hose. The truckers use this stuff for a million miles before changing. Tracy On Mon, Sep 13, 2010 at 4:40 PM, Charlie England wrote: > Yes, there is occasionally method to my madness. > > I figured Ed had you beat, but I'm pretty sure there's someone else with > even more hours, if not calendar time, on high quality automotive hoses. > > Charlie > > On 9/13/2010 2:33 PM, Ed Anderson wrote: > >> 'Frad not Dave, >> My SS radiator hoses (AN-16) have over 10 years on them - no replacement, >> no leaks (so far). However, were I to do it again, I would probably not go >> SS due to cost and weight - but reliability has been absolutely great. >> Ed >> Edward L. Anderson >> Anderson Electronic Enterprises LLC >> 305 Reefton Road >> Weddington, NC 28104 >> http://www.andersonee.com >> http://www.eicommander.com >> >> *From:* David Leonard >> *Sent:* Monday, September 13, 2010 3:19 PM >> *To:* Rotary motors in aircraft >> *Subject:* [FlyRotary] Re: Scheduled hose replacement >> >> >> >> On Mon, Sep 13, 2010 at 11:53 AM, Charlie England < >> ceengland@bellsouth.net > wrote: >> >> On 9/13/2010 1:02 PM, David Leonard wrote: >> >> >> >> *The radiator manufacturer will have a maximum number based >> on how >> >> stiff the flat sided tubes are. Too much pressure rounds those >> tubes and then pulls them loose from the fins when pressure is >> removed. Also the rounded tubes slow airflow through the >> radiator. * >> *Racing radiators tend to have higher pressure ratings than >> auto >> radiators. * >> *Most racers run 16 to 22 pound caps. Higher pressure means >> higher >> boiling temp for the coolant. Also more stress on the >> connections. With a 2" hose and 22 pounds you have just >> about 70 >> pounds trying to pull the hose off of the fitting. With >> silicone >> hose and safety wired clamps it would not be a factor. That >> does >> not include Chinese replica clamps. Just real American made >> name >> brand clamps. You can also use real aircraft quality clamps >> already drilled for safety wire. * >> *Many modern cars use no pressure cap. Just a sealing >> filler cap >> on a make up bottle.* >> *An air space above the coolant level provides a volume of >> air to >> compress to control the pressure. If the moron at the gas >> station >> fills that bottle all the way up while reading the message >> on the >> bottle not to fill above this line,* >> *the end tank will blow off of the radiator just like on my >> wife's >> car. * >> ** >> *The 22 pound cap is middle ground, a bit more insurance, not >> likely to hurt the radiator. * >> ** >> *I use 22 pounds. Distilled water with 10% glycol and either >> Redline Water Wetter or 1/2 teaspoon full of dish washing >> detergent. It is gentle on the hands. Never a problem since >> 1980.* >> *Lynn E. Hanover* >> >> >> Hey Lynn and the rest of you smart guys, What is your opinion >> on scheduled hose replacement? My plane has been flying for 6 >> years now and I just finished the annual. I decided that 6 >> years was long enough on some of my radiator hose and decided >> to replace it. In particular, I ordered up the AN-16 steel >> braided hose (Earls Perform-o-flex) for my coolant out line >> but I just couldn't bear the thought of cutting and fitting >> that stuff and hoping I don't get leaks or damage the AN hose >> fittings or cut my fingers to shreds. So I decided the >> current hoses were good for another year. Maybe a >> justification... >> >> Opinions on scheduled replacement of SS hose? >> >> -- David Leonard >> >> Turbo Rotary RV-6 N4VY >> http://N4VY.RotaryRoster.net >> http://RotaryRoster.net >> >> I would copy the guy with the most trouble free hours on his >> coolant hoses. :-) >> >> Charlie >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> >> >> Nice Charlie, >> >> For braided SS in aircraft use, that might be me.. Guess I just keep >> going until I land on another highway... ;-) >> -- >> David Leonard >> >> Turbo Rotary RV-6 N4VY >> http://N4VY.RotaryRoster.net >> http://RotaryRoster.net >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > --0016e6dab1788984fd04902c9077 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable About the same for me.=A0 I have about 10 years on silicone heater hose.=A0= The truckers use this stuff for a million miles before changing.

Tr= acy

On Mon, Sep 13, 2010 at 4:40 PM, Char= lie England <ceengland@bellsouth.net> wrote:
=A0Yes, there is = occasionally method to my madness.

I figured Ed had you beat, but I'm pretty sure there's someone else= with even more hours, if not calendar time, on high quality automotive hos= es.

Charlie

On 9/13/2010 2:33 PM, Ed Anderson wrote:
'Frad not Dave,
My SS radiator hoses (AN-16) have over 10 years on them - no replacement, n= o leaks (so far). =A0However, were I to do it again, I would probably not g= o SS due to cost and weight - but reliability has been absolutely great. Ed
Edward L. Anderson
Anderson Electronic Enterprises LLC
305 Reefton Road
Weddington, NC 28104
http://www.anderson= ee.com
http://www.eicomma= nder.com

*From:* David Leonard <mailto:wdleonard@gmail.com>
*Sent:* Monday, September 13, 2010 3:19 PM
*To:* Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>
*Subject:* [FlyRotary] Re: Scheduled hose replacement



On Mon, Sep 13, 2010 at 11:53 AM, Charlie England <ceengland@bellsouth.net <mai= lto:ceengland@= bellsouth.net>> wrote:

=A0 =A0 On 9/13/2010 1:02 PM, David Leonard wrote:



=A0 =A0 =A0 =A0 =A0 *The radiator manufacturer will have a maximum number = based
=A0 =A0 =A0 =A0on how

=A0 =A0 =A0 =A0 =A0 stiff the flat sided tubes are. Too much pressure roun= ds those
=A0 =A0 =A0 =A0 =A0 tubes and then pulls them loose from the fins when pre= ssure is
=A0 =A0 =A0 =A0 =A0 removed. Also the rounded tubes slow airflow through t= he
=A0 =A0 =A0 =A0radiator. *
=A0 =A0 =A0 =A0 =A0 *Racing radiators tend to have higher pressure ratings= than
=A0 =A0 =A0 =A0auto
=A0 =A0 =A0 =A0 =A0 radiators. *
=A0 =A0 =A0 =A0 =A0 *Most racers run 16 to 22 pound caps. Higher pressure = means
=A0 =A0 =A0 =A0higher
=A0 =A0 =A0 =A0 =A0 boiling temp for the coolant. =A0Also more stress on t= he
=A0 =A0 =A0 =A0 =A0 connections. With a 2" hose and 22 pounds you hav= e just
=A0 =A0 =A0 =A0about 70
=A0 =A0 =A0 =A0 =A0 pounds trying to pull the hose off of the fitting. Wit= h
=A0 =A0 =A0 =A0silicone
=A0 =A0 =A0 =A0 =A0 hose and safety wired clamps it would not be a factor.= That
=A0 =A0 =A0 =A0does
=A0 =A0 =A0 =A0 =A0 not include Chinese replica clamps. Just real American= made
=A0 =A0 =A0 =A0name
=A0 =A0 =A0 =A0 =A0 brand clamps. You can also use real aircraft quality c= lamps
=A0 =A0 =A0 =A0 =A0 already drilled for safety wire. *
=A0 =A0 =A0 =A0 =A0 *Many modern cars use no pressure cap. Just a sealing<= br> =A0 =A0 =A0 =A0filler cap
=A0 =A0 =A0 =A0 =A0 on a make up bottle.*
=A0 =A0 =A0 =A0 =A0 *An air space above the coolant level provides a volum= e of
=A0 =A0 =A0 =A0air to
=A0 =A0 =A0 =A0 =A0 compress to control the pressure. If the moron at the = gas
=A0 =A0 =A0 =A0station
=A0 =A0 =A0 =A0 =A0 fills that bottle all the way up while reading the mes= sage
=A0 =A0 =A0 =A0on the
=A0 =A0 =A0 =A0 =A0 bottle not to fill above this line,*
=A0 =A0 =A0 =A0 =A0 *the end tank will blow off of the radiator just like = on my
=A0 =A0 =A0 =A0wife's
=A0 =A0 =A0 =A0 =A0 car. *
=A0 =A0 =A0 =A0 =A0 **
=A0 =A0 =A0 =A0 =A0 *The 22 pound cap is middle ground, a bit more insuran= ce, not
=A0 =A0 =A0 =A0 =A0 likely to hurt the radiator. *
=A0 =A0 =A0 =A0 =A0 **
=A0 =A0 =A0 =A0 =A0 *I use 22 pounds. Distilled water with 10% glycol and = either
=A0 =A0 =A0 =A0 =A0 Redline Water Wetter or 1/2 teaspoon full of dish wash= ing
=A0 =A0 =A0 =A0 =A0 detergent. It is gentle on the hands. Never a problem = since
=A0 =A0 =A0 =A01980.*
=A0 =A0 =A0 =A0 =A0 *Lynn E. Hanover*


=A0 =A0 =A0 =A0Hey Lynn and the rest of you smart guys, What is your opini= on
=A0 =A0 =A0 =A0on scheduled hose replacement? =A0My plane has been flying = for 6
=A0 =A0 =A0 =A0years now and I just finished the annual. =A0I decided that= 6
=A0 =A0 =A0 =A0years was long enough on some of my radiator hose and decid= ed
=A0 =A0 =A0 =A0to replace it. =A0In particular, I ordered up the AN-16 ste= el
=A0 =A0 =A0 =A0braided hose (Earls Perform-o-flex) =A0for my coolant out l= ine
=A0 =A0 =A0 =A0but I just couldn't bear the thought of cutting and fit= ting
=A0 =A0 =A0 =A0that stuff and hoping I don't get leaks or damage the A= N hose
=A0 =A0 =A0 =A0fittings or cut my fingers to shreds. =A0So I decided the =A0 =A0 =A0 =A0current hoses were good for another year. =A0Maybe a
=A0 =A0 =A0 =A0justification...

=A0 =A0 =A0 =A0Opinions on scheduled replacement of SS hose?

=A0 =A0 =A0 =A0-- =A0 =A0 =A0 =A0 David Leonard

=A0 =A0 =A0 =A0Turbo Rotary RV-6 N4VY
=A0 =A0 =A0 =A0= http://N4VY.RotaryRoster.net <http://n4vy.rotaryroster.net/>
=A0 =A0 =A0 =A0http:= //RotaryRoster.net <http://rotaryroster.net/>

=A0 =A0I would copy the guy with the most trouble free hours on his
=A0 =A0coolant hoses. :-)

=A0 =A0Charlie

=A0 =A0--
=A0 =A0Homepage: h= ttp://www.flyrotary.com/
=A0 =A0Archive and UnSub:
=A0 =A0http://mail.lancaironline.net:81/lists/flyrotary/List= .html



Nice Charlie,

For braided SS in aircraft use, that might be me.. =A0Guess I just keep goi= ng until I land on another highway... =A0;-)
--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.Rota= ryRoster.net
http://RotaryRoster.n= et


--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html

--0016e6dab1788984fd04902c9077--