Return-Path: Received: from sccrmhc12.comcast.net ([204.127.202.56] verified) by logan.com (CommuniGate Pro SMTP 4.2.9) with ESMTP id 710671 for flyrotary@lancaironline.net; Sun, 06 Feb 2005 19:40:25 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.202.56; envelope-from=techwelding@comcast.net Received: from dell (pcp08732020pcs.paduca01.ky.comcast.net[69.139.125.92]) by comcast.net (sccrmhc12) with SMTP id <2005020700385501200g27s1e>; Mon, 7 Feb 2005 00:38:55 +0000 Message-ID: <000a01c50cad$62d1a870$5c7d8b45@dell> From: "Ed Klepeis" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Oil/coolant exchanger was Re: Cool Collar oil filter cooler Date: Sun, 6 Feb 2005 18:38:47 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C50C7B.17FE0000" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C50C7B.17FE0000 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Dennis I don't know if you found a cabin heater or are you going to = build one your self but I make up and sell a cabin heater e mail me if = interested. = Regards Ed Klepeis = techwelding@comcast.net ----- Original Message -----=20 From: Dennis Haverlah=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 05, 2005 8:20 AM Subject: [FlyRotary] Re: Oil/coolant exchanger was Re: Cool Collar oil = filter cooler Todd: I building an RV 7A and want plenty of heat for the cabin. What cabin = heater core/fan system are you using? It sounds like yours works really = nicely. Thanks, Dennis H. Todd Bartrim wrote:=20 How was it mounted? Did it have anything to do with the oil filter = and mount? I really don't need any additional oil cooling, but I was = thinking of adding a small exchanger due to another new gizmo I = installed. As I am using an EWP for coolant, I've experienced an issue = that won't effect most of you down in the banana belt. During long = descents in the winter, the automatic controller slows the coolant flow = down in an effort to maintain engine temp, this low flow results in not = enough flow through my heater core and it gets damn cold in a real = hurry. This wouldn't be a big deal, except that normally it's toasty = warm in the cabin in all weather, so I don't need to dress in a heavy = jacket. I can override the automatic controller or even switch on the = backup EWP to maintain coolant flow, but then the engine will cool off = completely and eventually it will still begin to blow cold air through = the heater core. To resolve this issue I bought an EBP (electric booster = pump) from Leon (Davies Craig). This is a very cute little pump that = fits very nicely in my heater line and allows me to maintain heat while = the EWP is at it's minimum flow setting. It also adds a little extra = coolant circulation through the block with out excessively cooling the = engine. This brings me to my new opportunity... I keep thinking about the possibility of a small heat exchanger = in this location as plumbing would be simple since I have the oil lines = coming from the cooler and remote filter in close proximity. This would = allow a small amount of heat transfer as a sort of heat balance. I've = noticed that oil takes longer to heat up than the coolant, but cools off = much slower as well due to it's lower thermal conductivity. This really = isn't a problem, but an exchanger would balance this. This pump would = also allow a small amount of coolant heat rejection in the incredibly = unlikely event of both EWP's failing. Really I'm just considering adding = extra weight to address a problem that I don't even have just to take = advantage of an opportunity. But that's what tinkerer's do I guess.... = (like I don't have enough to do already?) Todd -----Original Message----- From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net]On Behalf Of Jack Ford Sent: Friday, February 04, 2005 1:07 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Cool Collar oil filter cooler Worked in their application, would need some testing in ours, I'd = think. They had some major cooling problems without this gizmo though, = as I understand it. Jack ------=_NextPart_000_0007_01C50C7B.17FE0000 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dear Dennis
       I = don't know=20 if you found a cabin heater or are you going to build one your self but = I make=20 up and sell a cabin heater e mail me if interested.
          &nbs= p;            = ;            =             &= nbsp;           &n= bsp;        =20 Regards
          &nbs= p;            = ;            =             &= nbsp;           &n= bsp;=20 Ed Klepeis
          &nbs= p;            = ;            =             &= nbsp;     =20 techwelding@comcast.net
----- Original Message -----
From:=20 Dennis Haverlah
Sent: Saturday, February 05, = 2005 8:20=20 AM
Subject: [FlyRotary] Re: = Oil/coolant=20 exchanger was Re: Cool Collar oil filter cooler

Todd:
I building an RV 7A and want plenty of heat = for the=20 cabin.  What cabin heater core/fan system are you using?  It = sounds=20 like yours works really nicely.

Thanks,
Dennis = H.

Todd=20 Bartrim wrote:=20
How was it mounted? Did it have anything to do with the oil = filter=20 and mount? I really don't need any additional oil cooling, but I was = thinking of adding a small exchanger due to another new gizmo I=20 installed.
     As I am using an EWP for coolant, = I've=20 experienced an issue that won't effect most of you down in the = banana belt.=20 During long descents in the winter, the automatic controller slows = the=20 coolant flow down in an effort to maintain engine temp, this low = flow=20 results in not enough flow through my heater core and it gets damn = cold in a=20 real hurry. This wouldn't be a big deal, except that normally it's = toasty=20 warm in the cabin in all weather, so I don't need to dress in a = heavy=20 jacket. I can override the automatic controller or even switch on = the backup=20 EWP to maintain coolant flow, but then the engine will cool off = completely=20 and eventually it will still begin to blow cold air through the = heater core.=20 To resolve this issue I bought an EBP (electric booster pump) from = Leon=20 (Davies Craig). This is a very cute little pump that fits very = nicely in my=20 heater line and allows me to maintain heat while the EWP is at it's = minimum=20 flow setting. It also adds a little extra coolant circulation = through the=20 block with out excessively cooling the engine. This brings me to my = new=20 opportunity...
    I keep thinking about the possibility of a = small heat=20 exchanger in this location as plumbing would be simple since I have = the oil=20 lines coming from the cooler and remote filter in close = proximity. This=20 would allow a small amount of heat transfer as a sort of heat = balance. I've=20 noticed that oil takes longer to heat up than the coolant, but cools = off=20 much slower as well due to it's lower thermal conductivity. This = really=20 isn't a problem, but an exchanger would balance this. This = pump=20 would also allow a small amount of coolant heat rejection in the = incredibly=20 unlikely event of both EWP's failing. Really I'm just considering = adding=20 extra weight to address a problem that I don't even have just to = take=20 advantage of an opportunity. But that's what tinkerer's do I = guess.... (like=20 I don't have enough to do already?)
 
Todd
-----Original Message-----
From: Rotary motors = in=20 aircraft [mailto:flyrotary@lancaironlin= e.net]On=20 Behalf Of Jack Ford
Sent: Friday, February 04, 2005 = 1:07=20 PM
To: Rotary motors in aircraft
Subject: = [FlyRotary]=20 Re: Cool Collar oil filter cooler

Worked in their application, = would need some=20 testing in ours, I'd think. They had some major cooling problems = without=20 this gizmo though, as I understand it.
 
Jack
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