X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 1024484 for flyrotary@lancaironline.net; Mon, 06 Mar 2006 14:21:25 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-03-eri0.southeast.rr.com (8.13.4/8.13.4) with SMTP id k26JKbge006508 for ; Mon, 6 Mar 2006 14:20:39 -0500 (EST) Message-ID: <000d01c64153$5747c490$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Heaters Date: Mon, 6 Mar 2006 14:22:42 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C64129.6E1BFB70" 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 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C64129.6E1BFB70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Since you will want some form of heat, I would think that is not a bad = idea. Sort of what the Lycoming guys use except taking the heat off of = their exhaust headers in their case. In fact, you might be able to use = some of the ducting and air valves they use - might check into if you = haven't already. I will tell you (from Personal experience brrrrrr) that if you don't fly = with a thermostat using coolant or oil heat during really cold temps = won't keep you warm - well, unless you block off one of the cores {:>). = Reason, of course, is I saw my coolant temps down to around 115-120F = flying to Texas and that just wasn't enough to provide sufficient heat = to keep my toes warm. However, cowl flaps would probably provide the = answer. FWIW Ed ----- Original Message -----=20 From: Bob Perkinson=20 To: Rotary motors in aircraft=20 Sent: Monday, March 06, 2006 1:54 PM Subject: [FlyRotary] Re: Heaters My thought has been to mount a heater core on the fire wall and have = coolant flow through it all the time. Using a damper system either dump = the hot air out the bottom of the cowl or direct it into the cabin. The = only problem I can see with this is the space on the firewall needed to = mount the heater core and air plenum. Any thoughts on this? Bob Perkinson Hendersonville, TN. RV9 N658RP Reserved If nothing changes Nothing changes =20 Yeah, Joe. I have an oil cooler core sitting on my side of the = firewall that extracts heat from the coolant system. However, the = small amount of heat its capable of extracting is so small compared to = the thousands of BTU of heat you need to get rid of each minute from a = flying rotary that the effect on cooling is nil.=20 Ed ----- Original Message -----=20 From: Joe Berki=20 To: Rotary motors in aircraft=20 Sent: Monday, March 06, 2006 12:23 PM Subject: [FlyRotary] Heaters Has anyone designed a separate system that extracts heat from the = engine compartment or components to heat a fluid in a separate system = using a heat exchanger to dump the heat into the cabin and a separate = pump? This way you are not making this system part of the engine = cooling system and can run lower pressure and be able to shut it off = without affecting the engine system. I was thinking of a device that = subarus had sandwitched between the oil filter and the block. Any = thoughts? Joe Berki Limo EZ ------=_NextPart_000_000A_01C64129.6E1BFB70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Since you will want some form of heat, I would = think that=20 is not a bad idea. Sort of what the Lycoming guys use except = taking the=20 heat off of their exhaust headers in their case. In fact, you = might be=20 able to use some of the ducting and air valves they use - might check = into if=20 you haven't already.

I will tell you (from Personal experience = brrrrrr) that if=20 you don't fly with a thermostat using coolant or oil heat during really = cold=20 temps won't keep you warm - well, unless you block off one of the cores=20 {:>). Reason, of course, is I saw my coolant temps down to = around=20 115-120F flying to Texas and that just wasn't enough to provide = sufficient heat=20 to keep my toes warm. However, cowl flaps would probably provide = the=20 answer.

FWIW

----- Original Message -----
From:=20 Bob=20 Perkinson
To: Rotary motors in = aircraft

Sent: Monday, March 06, 2006 = 1:54=20 PM

Subject: [FlyRotary] Re: = Heaters

My thought=20 has been to mount a heater core on the fire wall and have coolant flow = through=20 it all the time. Using a damper system either dump the hot air = out the=20 bottom of the cowl or direct it into the cabin. The only problem = I can=20 see with this is the space on the firewall needed to mount the heater = core and=20 air plenum. Any thoughts on this?

Bob Perkinson
Hendersonville, TN.
RV9 N658RP=20 Reserved
If nothing changes
Nothing = changes

Yeah, Joe. I have an oil cooler = core=20 sitting on my side of the firewall that extracts heat from the = coolant=20 system. However, the small amount of heat its capable of = extracting is so small compared to the thousands of BTU of heat you = need to=20 get rid of each minute from a flying rotary that the effect on = cooling=20 is nil.

Ed

----- Original Message ----- =
From:=20 Joe=20 Berki
To: Rotary motors in = aircraft=20

Sent: Monday, March 06, = 2006 12:23=20 PM

Subject: [FlyRotary] = Heaters

Has anyone designed a separate = system that=20 extracts heat from the engine compartment or components to heat a = fluid in=20 a separate system using a heat exchanger to dump the heat into the = cabin=20 and a separate pump? This way you are not making this system = part of=20 the engine cooling system and can run lower pressure and be able = to shut=20 it off without affecting the engine system. I was = thinking of a=20 device that subarus had sandwitched between the oil filter and the = block. Any thoughts?

Joe Berki

Limo EZ =20

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