Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 395099 for flyrotary@lancaironline.net; Mon, 06 Sep 2004 11:19:37 -0400 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.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040906151905.DTIA1758.imf24aec.mail.bellsouth.net@rd> for ; Mon, 6 Sep 2004 11:19:05 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Rev 3.1 static tests Date: Mon, 6 Sep 2004 10:19:07 -0500 Message-ID: <000001c49424$da830690$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C493FA.F1ACFE90" 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 V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C493FA.F1ACFE90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I=92m glad to hear you on line. At least someone in Florida apparently = came through the storm OK. I assume since we haven=92t heard from John or = Bulent for awhile, that they are without power. =20 =20 That would be a good assumption. Actually, I'm in the far Western = panhandle of FL, so we're not going to get anything from this storm. They say = we'll have 40 mph wind, and some rain today, but I'll believe it when I see = it. =20 On your temperature issue, I=92ve been fighting a similar issue on my = new cooling set up. What I=92ve discovered is that my evaporator cores are = not allowing coolant to flow evenly through them. At least at lower power levels. Only the top =BC is getting hot.=20 =20 I can't recall where your hoses entered, and exited the evap cores. I'm assuming they enter and exit the top side? Are they parallel, or = series? Do you have a thermostat? Very odd that only the top portion would get = hot, unless the hoses are on the top, and you have a thermostat that's = limiting the flow to a trickle. =20 =20 Originally there were tubes on one side that extended down into the side tank to force the coolant (freon originally) down to the bottom of the = core. When I drilled out the cores to install the AN-16 bungs, those tubes = went away along with the top plate material. =20 =20 Now, I have some =BE=94 aluminum tubing on order, and I=92m going to = drill big holes in the bottom 2=94, and insert it into the core to perform the = same function. =20 =20 I don't think you're going to gain anything with those tubes. As Tracy said, when you think of water flow rate, don't thing straw, think fire = hose. Water will be forced to use the whole core. =20 =20 I also had a devil of a time getting the air to bleed out. It would circulate coolant when it was parked on its nose, but not when upright = when I would taxi. That drove me nuts (not a long trip anyways). =20 =20 Are you sure you did finally get the air out? I ended up adding bleed valves on the top of my cores to use when filling. They work great. = You're probably going to want some sort of air bleed valve in the system to = avoid the hassles of having air pockets when filling.=20 =20 Cheers, Rusty (still thinking about the MAP comments)=20 ------=_NextPart_000_0001_01C493FA.F1ACFE90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
I’m glad=20 to hear you on line.  At = least=20 someone in Florida apparently came through the storm OK.  I assume since we = haven’t heard from=20 John or Bulent for awhile, that they are without power.  
 
That would be a good assumption.  Actually, I'm in = the far=20 Western panhandle of FL, so we're not going to get anything from = this=20 storm.  They say we'll have 40 mph wind, and some rain today, but = I'll=20 believe it when I see it.   =20

 

<= ![if !supportEmptyParas]>

On your=20 temperature issue, I’ve been fighting a similar issue on my new = cooling set=20 up.  What I’ve = discovered is that my=20 evaporator cores are not allowing coolant to flow evenly through = them.  At least at lower power = levels.  Only the top =BC is getting = hot. 

&nbs= p;

I can't = recall where=20 your hoses entered, and exited the evap cores.  I'm assuming they = enter and=20 exit the top side?  Are they parallel, or series?  Do you have = a=20 thermostat?  Very odd that only the top portion would get hot, = unless the=20 hoses are on the top, and you have a thermostat that's limiting the flow = to a=20 trickle.   <= /SPAN>

 

Originally=20 there were tubes on one side that extended down into the side tank to = force the=20 coolant (freon originally) down to the bottom of the core.  When I drilled out the cores = to install=20 the AN-16 bungs, those tubes went away along with the top plate = material.  =

 

Now, I=20 have some =BE” aluminum tubing on order, and I’m going to = drill big holes in the=20 bottom 2”, and insert it into the core to perform the same = function.  

 

I don't think you're going to gain anything with those = tubes.  As=20 Tracy said, when you think of water flow rate, don't thing straw, = think=20 fire hose.  Water will be forced to use the whole=20 core.    =20

 

I also=20 had a devil of a time getting the air to bleed out.  It would circulate coolant = when it was=20 parked on its nose, but not when upright when I would taxi.  That drove me nuts (not a long = trip=20 anyways).  

&nbs= p;

Are you = sure you did=20 finally get the air out?  I ended up adding bleed valves on the top = of my=20 cores to use when filling.  They work great.  You're probably = going to=20 want some sort of air bleed valve in the system to avoid the = hassles=20 of having air pockets when=20 filling. 

 

 Cheers,

Rusty (still thinking = about the MAP=20 comments) 

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