X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 04 Jun 2013 16:05:47 -0400 Message-ID: X-Original-Return-Path: Received: from mta21.charter.net ([216.33.127.81] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6306807 for lml@lancaironline.net; Tue, 04 Jun 2013 12:35:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.81; envelope-from=farnsworth@charter.net Received: from imp09 ([10.20.200.9]) by mta21.charter.net (InterMail vM.8.01.05.09 201-2260-151-124-20120717) with ESMTP id <20130604163454.YUBG10448.mta21.charter.net@imp09> for ; Tue, 4 Jun 2013 12:34:54 -0400 Received: from OWNERPC ([24.240.23.88]) by imp09 with smtp.charter.net id kGat1l00n1u2RW005GauKH; Tue, 04 Jun 2013 12:34:54 -0400 X-Authority-Analysis: v=2.0 cv=Cp/n6QED c=1 sm=1 a=K+sFKCfdL2IjB7v8SKVovw==:17 a=Of_Y197jAtIA:10 a=yUnIBFQkZM0A:10 a=hOpmn2quAAAA:8 a=lTAxB5iAje8A:10 a=usvpMlF2AAAA:8 a=Ia-xEzejAAAA:8 a=hslOrHpUAAAA:8 a=-QidQ3XyAAAA:8 a=pGLkceISAAAA:8 a=-uLxOpdrAAAA:8 a=CjxXgO3LAAAA:8 a=9wFxdKLB5sArXr496hcA:9 a=CjuIK1q_8ugA:10 a=k8S1eUy1NVYA:10 a=EzXvWhQp4_cA:10 a=zc6lhsSWC8gA:10 a=A0LnVcZjDxIA:10 a=MSl-tDqOz04A:10 a=rC2wZJ5BpNYA:10 a=bOP9cizCWh9L75HP:21 a=VeP3_TRkUpCbh3oV:21 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=cIu1j1k5K6vAik-RMIwA:9 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Wvba2PWq85kPNw2V:21 a=lfkU4PyQjX2Dt9wINvwA:9 a=KQqxNPgzF0kA:10 a=ucH7BwLj_I8A:10 a=_p8qN7zUMDUi0ILL:18 a=K+sFKCfdL2IjB7v8SKVovw==:117 From: "Lynn Farnsworth" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: IV-P TSIO550 Plenum X-Original-Date: Tue, 4 Jun 2013 12:34:49 -0400 X-Original-Message-ID: <014701ce6141$6ea63d40$4bf2b7c0$@charter.net> MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0148_01CE611F.E79894E0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQFCUHmtANSAbYiRLVYZ25BklpWUr5o94C+g Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0148_01CE611F.E79894E0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0149_01CE611F.E79894E0" ------=_NextPart_001_0149_01CE611F.E79894E0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I can second Ralf's recommendation for considering Andy Chiavetta at Aerochia if you are in need of a plenum for a Legacy or a Lancair IV. http://aerochia.com/kits_ES_speedmod.html That link will take you to the page for the IV. Lynn Farnsworth From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of bronnenmeier@GROBSYSTEMS.COM Sent: Tuesday, June 04, 2013 9:55 AM To: lml@lancaironline.net Subject: [LML] Re: IV-P TSIO550 Plenum Hi Bob, I built a plenum for my TSIO550. Unfortunately I don't have before/after data on it but Charlie Kohler told me that my heads are running very very cool even having the tight lower old cowl that became obsolete because of cooling issues. My oil temp is running a little above average (approx 190F at an OAT 20.25F at FL200) The actual plenum was a piece of cake - I just taped down cardboard sheets on the engine, waxed it and laid 3 layers of carbon on top. After it was dry I removed it and cut it to size. Making the baffling and modifying the cowl to reduce the leaks turned into a real project. Fred Moreno has a lot of helpful tips in the archive for the baffling. I also copied the design of the sliding oil door from Brent Regan. The air-inlet is copied from 320/360 pictures ( when it comes to plenums there is a lot more know how than on the IV side - obviously the 320/360 group is more fanatic about speed J) I don't remember how many hundred hours I have in this - but it was a lot. You need a lot of passion to go there especially since you have a flying airplane already. If you look for the most economical and quick solution I probably would go to Aerochia - I think they have a complete cowl-plenum- design that they sell. If you really want to do this by yourself you are welcome to stop at 5G7 any time and look at my design to collect further ideas. Ralf From: Bob Rickard [mailto:r.rickard@rcginc-us.com] Sent: Monday, June 03, 2013 5:11 PM To: lml@lancaironline.net Subject: IV-P TSIO550 Plenum Gents - a couple of questions regarding plenum design (IV-P/TSIO 550 specific) 1. What do you do about the oil door on top of the cowl? 2. Is it better to have absolute min volume around the engine, or is it ok to mold to the cowl for the upper sides? 3. What do you do for airflow on the pilots side where the 3rd intercooler is? I'm definitely sold on the plenum idea and have a great carbon man here in STL. Just need to figure out those specifics to get designing... Thanks Bob R IV-P On May 25, 2013, at 12:51 PM, Paul Miller wrote: Tom, I looked at your plenum page http://www.n54sg.com/baffle-kit-diffusers-and-plenum/ where you place the poster board over the engine for a mold shape. I was thinking how easy that could be on the IO550 even if it didn't do all the fancy work up front with diffusers and so forth. Such a simple piece might seal the back, two sides for perhaps 75% positive seal. It would get rid of a lot of silicone strips with (what appears to be) reasonable effort. Great idea. Paul Legacy On 2013-05-24, at 1:57 PM, Tom McNerney wrote: A lot is possible. Could be gear actuator, could be a door actuator, could be the dump valve, etc. Bob Rickard President, Rickard Consulting Group, Inc. r.rickard@rcginc-us.com ------=_NextPart_001_0149_01CE611F.E79894E0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I can second = Ralf’s recommendation for considering Andy Chiavetta at Aerochia = if you are in need of a plenum for a Legacy or a Lancair = IV.

 

http://aerochia.com/ki= ts_ES_speedmod.html

 

That link = will take you to the page for the IV.

 

Lynn = Farnsworth

 

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = bronnenmeier@GROBSYSTEMS.COM
Sent: Tuesday, June 04, 2013 = 9:55 AM
To: lml@lancaironline.net
Subject: [LML] Re: = IV-P TSIO550 Plenum

 

Hi Bob,

 

I built a plenum for my TSIO550. Unfortunately I don’t have = before/after data on it but Charlie Kohler told me that my heads are = running very very cool even having the tight lower old cowl that became = obsolete because of cooling issues. My oil temp is running a little = above average (approx 190F at an OAT 20…25F at = FL200)

 

The actual plenum was a piece of cake – I just taped down = cardboard sheets on the engine, waxed it and laid 3 layers of carbon on = top. After it was dry I removed it and cut it to size. =

 

Making the baffling and modifying the cowl to reduce the leaks turned = into a real project. Fred Moreno has a lot of helpful tips in the = archive for the baffling. I also copied the design of the sliding oil = door from Brent Regan. The air-inlet is copied from 320/360 pictures ( = when it comes to plenums there is a lot more know how than on the IV = side – obviously the 320/360 group is more fanatic about speed = J)

 

I don’t remember how many hundred hours I have in this – = but it was a lot. You need a lot of passion to go there especially since = you have a flying airplane already.

 

If you look for the most economical and quick solution I probably = would go to Aerochia – I think they have a complete cowl-plenum- = design that they sell.

 

If you really want to do this by yourself you are welcome to stop at = 5G7 any time and look at my design to collect further = ideas.

 

Ralf

 

 

Gents - a = couple of questions regarding plenum design (IV-P/TSIO 550 = specific)

 

1.  What do you do about the oil door on top of = the cowl?  

 

2.  Is it better to have absolute min volume = around the engine, or is it ok to mold to the cowl for the upper = sides?

 

3. What do you do for airflow on the pilots side where = the 3rd intercooler is?

 

I'm definitely sold on the plenum idea and have a = great carbon man here in STL.  Just need to figure out those = specifics to get designing…..

 

 

Thanks

 

Bob R

IV-P

 

 

On = May 25, 2013, at 12:51 PM, Paul Miller <pjdmiller@gmail.com> = wrote:

 

Tom, I looked at your plenum = page

 

=

 

where you place the poster board over the engine for a = mold shape.  I was thinking how easy that could be on the IO550 = even if it didn't do all the fancy work up front with diffusers and so = forth.  Such a simple piece might seal the back, two sides for = perhaps 75% positive seal.  It would get rid of a lot of silicone = strips with (what appears to be) reasonable effort.  Great = idea.

 

Paul

Legacy

On = 2013-05-24, at 1:57 PM, Tom McNerney <dudewanarace@yahoo.com> = wrote:

 

A lot is possible.  = Could be gear actuator, could be a door actuator, could be the dump = valve, etc.

 

 


Bob Rickard

President, Rickard Consulting Group, = Inc.



 

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