Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 359290 for flyrotary@lancaironline.net; Tue, 10 Aug 2004 09:38:08 -0400 Received-SPF: error receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from EDWARD (cpe-069-132-183-211.carolina.rr.com [69.132.183.211]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i7ADbZPg014436 for ; Tue, 10 Aug 2004 09:37:36 -0400 (EDT) Message-ID: <002b01c47edf$37046c20$2402a8c0@EDWARD> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Evaporator core fittings Date: Tue, 10 Aug 2004 09:37:43 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0028_01C47EBD.AFB993B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0028_01C47EBD.AFB993B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageGreat looking welds, Rusty. Joe, Mine are brazed on by a = radiator shop. In my opinion either method (if done properly) will work = just fine. =20 IF you do put your inlets on the "bottom" of your cores then you should = have a way to bleed the trapped air. You don't have to do that, but = then you'll need to do a couple of full throttle runs to get the air = flushed out of the cores. Approx 20-30% of the volume of my cores will = have trapped air after a drain and refill of the coolant system and will = compromise cooling if you do not bleed/ flush the air out of the cores. Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Tuesday, August 10, 2004 9:04 AM Subject: [FlyRotary] Re: Evaporator core fittings How do the fittings, AN or hose barb, get mounted in the evaporator cores? Welded, brazed? Where is the optimum location for the = fittings? I have seen several positions for the fittings. I am mounting two of = the cores similar to those used in the RVs next to each other and would = like to locate the inlets and outlets. Thanks for any help. Joe Berki Limo EZ Hi Joe, The fittings are welded (TIG) to the evap cores. One fitting has to = be placed on the end of each tank, but that's about the end of the = rules. Which end of the tank you use, will likely be determined by the = space you have available. In my case, I have the water cores oriented = such that the tanks are on the left, and right, so the fittings either = have to be on the top end of the tanks, or bottom. Traditional radiator = logic would say to bring the hot water in on the top of one tank, and = take the cooler water out the bottom of the other tank, but I just don't = have room for fitting on top. I just put them both on the bottom, and = it works just fine. In other words, put them wherever they'll fit. =20 Cheers, Rusty (have TIG, will weld) -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0028_01C47EBD.AFB993B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Great looking welds, Rusty.  = Joe, Mine=20 are brazed on by a radiator shop.  In my opinion either method (if = done=20 properly) will work just fine. 
 
IF you do put your inlets on the = "bottom" of your=20 cores then you should have a way to bleed the trapped air.  You = don't have=20 to do that, but then you'll need to do a couple of full throttle runs to = get the=20 air flushed out of the cores.  Approx 20-30% of the volume of my = cores will=20 have trapped air after a drain and refill of the coolant system and will = compromise cooling if you do not bleed/ flush the air out of the=20 cores.
 
Ed
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Tuesday, August 10, 2004 = 9:04=20 AM
Subject: [FlyRotary] Re: = Evaporator core=20 fittings

How do the fittings, AN or hose barb, get mounted in = the=20 evaporator
cores?  Welded, brazed?  Where is the optimum = location=20 for the fittings?  I
have seen several positions for the=20 fittings.  I am mounting two of the
cores similar to those = used in the=20 RVs next to each other and would like to
locate the inlets and = outlets.=20 Thanks for any help.

Joe Berki
Limo EZ

Hi=20 Joe,
 
The = fittings are=20 welded (TIG) to the evap cores.  One fitting has to be placed on = the end=20 of each tank, but that's about the end of the rules.  Which = end of=20 the tank you use, will likely be determined by the space you have=20 available.  In my case, I have the water cores oriented such=20 that the tanks are on the left, and right, so the fittings either = have to=20 be on the top end of the tanks, or bottom.  Traditional radiator = logic=20 would say to bring the hot water in on the top of one tank, and take = the=20 cooler water out the bottom of the other tank, but I just don't have = room for=20 fitting on top.  I just put them both on the bottom, and it works = just=20 fine.  In other words, put them wherever they'll fit. =20
 
Cheers,
Rusty = (have TIG, will=20 weld)
 

>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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