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Mike Whisky
Joined: 05 Jun 2006
Posts: 336
Location: Switzerland
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LarryRosen
Joined: 16 Jan 2006
Posts: 415
Location: Medford, NJ
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partner14
Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas
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 Posted: Tue Feb 24, 2009 7:54 pm Post subject: List of firewall penetrations |
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I really don't have any great shots of waht you want.... but I can shoot some tomorrow. Fo any explainations, let's arrange a time that both of us are looking at the same pics.
What time zone are you in? My number is 916-801-8402. Evenings 6-11 best for me.
Don McDonald
--- On Tue, 2/24/09, Michael Wellenzohn <rv-10(at)wellenzohn.net> wrote:
| Quote: | From: Michael Wellenzohn <rv-10(at)wellenzohn.net>
Subject: List of firewall penetrations
To: rv10-list(at)matronics.com
Date: Tuesday, February 24, 2009, 1:48 PM
| Quote: | --> RV10-List message posted by: "Michael Wellenzohn"
<rv-10(at)wellenzohn.net>
Hello
I just thought wanted to get some feedback how/if you bundled the wires /cables
and tubes going through the firewall.
Here is the list of things which need to cross the firewall.
1) Throttle cable
2) Prop cable
3) Mixture cable
4) Alt air cable
5) Heater cable front
6) Heater cable rear
7) LSE Plasma III input cable
 LSE ignition cables (3x)
9) Battery cable
10) Fuel pressure cable
11) Oil pressure cable
12) Manifold pressure tube
13) Oil temperature cable
14) CHT cables (6x)
15) EGT cables (6x)
16) Brake fluid container
Does anyone have a picture of how and where they did the firewall penetrations?
Cheers
Michael
--------
RV-10 builder (engine, prop, finishing)
#511
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 31885#231885
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Don A. McDonald
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AirMike
Joined: 27 Feb 2007
Posts: 514
Location: Nevada
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| Posted: Tue Feb 24, 2009 9:14 pm Post subject: List of firewall penetrations |
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We all have different configurations except for the - Throttle, Mix, prop and alt air cables (and the manifold pressure sensor). As stated previously, I feel that the stainless steel heater valves are a mandatory option for fire safety. The eye ball openings are probably the best way to go for max fire safety, but they are verrrrry expensive. I am opting to use a high quality fire block caulk and nylon openings
I have a bunch of pictures that I will send to anyone who contacts me off line. I took them at OSH '08. They are too large to post (1.5-2 meg)
Just a suggestion to the newbies here - if you go to OSH take a LOT of pictures of the RV10's there. I took 300 pics last year and they have been invaluable in finishing my project
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See you OSH '18
Q/B - sold. |
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Wed Feb 25, 2009 6:08 am Post subject: List of firewall penetrations |
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Just curious, with the mention of alt-air cable. Is anyone considering an automatic alternate air? Many certified aircraft have them. Basically an approx 4" diameter aluminum plate, held closed by a spring, that allows the plate to be sucked open with about 4 lbs of pull. The resulting opening is on the back side of the induction duct allowing air inside the cowl to enter instead of the filtered outside air. As long as the seal for the plate and the spring are checked annually, it is a maintenance free item.
AirMike wrote: | Quote: | | Quote: | --> RV10-List message posted by: "AirMike" <Mikeabel(at)Pacbell.net> (Mikeabel(at)Pacbell.net)
We all have different configurations except for the - Throttle, Mix, prop and alt air cables (and the manifold pressure sensor). |
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[img]cid:part1.03040508.01050601(at)aviating.com[/img]
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Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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rene(at)felker.com
Guest
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| Posted: Wed Feb 25, 2009 6:08 am Post subject: List of firewall penetrations |
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Don, question? In the second picture, looks like you have a plenum over your engine. I am looking at ways of improving my airflow have considered making my own but….not sure the best way of doing it. I have two general questions. 1. Considering the heat (after engine shutdown), what materials are best to use. 2. How does the front of the plenum interface with the upper cowl.
I have never been happy with the baffle seals and think that is part of my oil temp problem in the summer. I would love to do away with them and go with a plenum. I have considered just building a fiberglass one, but considering how much closer it will be to the engine (than the cowl) I am worried about it being destroyed by the heat.
Any great ideas out there?
Rene' Felker
RV-10 N423CF Flying
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Don McDonald
Sent: Tuesday, February 24, 2009 8:51 PM
To: rv10-list(at)matronics.com
Subject: Re: List of firewall penetrations
I really don't have any great shots of waht you want.... but I can shoot some tomorrow. Fo any explainations, let's arrange a time that both of us are looking at the same pics.
What time zone are you in? My number is 916-801-8402. Evenings 6-11 best for me.
Don McDonald
--- On Tue, 2/24/09, Michael Wellenzohn <rv-10(at)wellenzohn.net> wrote:
| Quote: |
From: Michael Wellenzohn <rv-10(at)wellenzohn.net>
Subject: List of firewall penetrations
To: rv10-list(at)matronics.com
Date: Tuesday, February 24, 2009, 1:48 PM | Quote: | | --> RV10-List message posted by: "Michael Wellenzohn"<rv-10(at)wellenzohn.net> Hello I just thought wanted to get some feedback how/if you bundled the wires /cablesand tubes going through the firewall. Here is the list of things which need to cross the firewall.1) Throttle cable2) Prop cable<rv-10(at)wellenzohn.net> |
0 | Quote: | | <rv-10(at)wellenzohn.net> |
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901234567890123456789 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
0 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
1 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
2 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
3 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
4 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
5 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
6 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
7 | Quote: | | I just thought wanted to get some feedback how/if you bundled the wires /cables |
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[quote][b]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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rene(at)felker.com
Guest
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| Posted: Wed Feb 25, 2009 6:21 am Post subject: List of firewall penetrations |
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Van’s have one that is magnetic, but says it will not work on the IO-540 because of the amount of airflow (opens to soon). I considered it, but decided to go ahead with the cable, to hard to test for proper operation.
Rene' Felker
RV-10 N423CF Flying
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Kelly McMullen
Sent: Wednesday, February 25, 2009 7:03 AM
To: rv10-list(at)matronics.com
Subject: Re: Re: List of firewall penetrations
Just curious, with the mention of alt-air cable. Is anyone considering an automatic alternate air? Many certified aircraft have them. Basically an approx 4" diameter aluminum plate, held closed by a spring, that allows the plate to be sucked open with about 4 lbs of pull. The resulting opening is on the back side of the induction duct allowing air inside the cowl to enter instead of the filtered outside air. As long as the seal for the plate and the spring are checked annually, it is a maintenance free item.
AirMike wrote: | Quote: | | --> RV10-List message posted by: "AirMike" <Mikeabel(at)Pacbell.net> We all have different configurations except for the - Throttle, Mix, prop and alt air cables (and the manifold pressure sensor). |
--
[img]cid:image001.jpg(at)01C99719.9C628A50[/img]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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| Description: |
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3348 Time(s) |
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Wed Feb 25, 2009 6:37 am Post subject: List of firewall penetrations |
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I guess my concern with the manual cable is that the pilot has to recognize that there is an induction problem and activate the alternate air, something that is likely to be a high stress situation with loss of most power. I know that RV pilots have superior skills, but personally, I prefer to use superior judgement to avoid needing those skills. Hmm, another mod to design.............
On Wed, Feb 25, 2009 at 7:21 AM, Rene Felker <rene(at)felker.com (rene(at)felker.com)> wrote:
| Quote: |
Van’s have one that is magnetic, but says it will not work on the IO-540 because of the amount of airflow (opens to soon). I considered it, but decided to go ahead with the cable, to hard to test for proper operation.
Rene' Felker
RV-10 N423CF Flying
801-721-6080
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Kelly McMullen
Sent: Wednesday, February 25, 2009 7:03 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Re: List of firewall penetrations
Just curious, with the mention of alt-air cable. Is anyone considering an automatic alternate air? Many certified aircraft have them. Basically an approx 4" diameter aluminum plate, held closed by a spring, that allows the plate to be sucked open with about 4 lbs of pull. The resulting opening is on the back side of the induction duct allowing air inside the cowl to enter instead of the filtered outside air. As long as the seal for the plate and the spring are checked annually, it is a maintenance free item.
AirMike wrote: | Quote: | | --> RV10-List message posted by: "AirMike" <Mikeabel(at)Pacbell.net> (Mikeabel(at)Pacbell.net) We all have different configurations except for the - Throttle, Mix, prop and alt air cables (and the manifold pressure sensor). |
--
[img]cid:image001.jpg(at)01C99719.9C628A50[/img]
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
|
| Description: |
|
| Filesize: |
1.97 KB |
| Viewed: |
3347 Time(s) |
|
_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor
KCHD |
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partner14
Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas
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| Posted: Wed Feb 25, 2009 7:33 am Post subject: List of firewall penetrations |
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Although my actual experience is not there, for some reason I seem to be at the airport quite a bit.... that being said, here's what I've heard. There is no doubt when you need to go to alt air. HP will drop incredibly, probably no different that knowing when to go to carb heat.
Several people have tried the automatic versions. Seems most have some amount of trouble. It opens too soon, opens when it shouldn't at all, stays open, doesn't open, etc.
Don McDonald
--- On Wed, 2/25/09, Kelly McMullen <apilot2(at)gmail.com> wrote:
| Quote: | From: Kelly McMullen <apilot2(at)gmail.com>
Subject: Re: Re: List of firewall penetrations
To: rv10-list(at)matronics.com
Date: Wednesday, February 25, 2009, 6:35 AM
I guess my concern with the manual cable is that the pilot has to recognize that there is an induction problem and activate the alternate air, something that is likely to be a high stress situation with loss of most power. I know that RV pilots have superior skills, but personally, I prefer to use superior judgement to avoid needing those skills. Hmm, another mod to design..............
On Wed, Feb 25, 2009 at 7:21 AM, Rene Felker <rene(at)felker.com (rene(at)felker.com)> wrote:
| Quote: | Van¢s have one that is magnetic, but says it will not work on the IO-540 because of the amount of airflow (opens to soon). I considered it, but decided to go ahead with the cable, to hard to test for proper operation.
Rene' Felker
RV-10 N423CF Flying
801-721-6080
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Kelly McMullen
Sent: Wednesday, February 25, 2009 7:03 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Re: List of firewall penetrations
Just curious, with the mention of alt-air cable. Is anyone considering an automatic alternate air? Many certified aircraft have them. Basically an approx 4" diameter aluminum plate, held closed by a spring, that allows the plate to be sucked open with about 4 lbs of pull. The resulting opening is on the back side of the induction duct allowing air inside the cowl to enter instead of the filtered outside air. As long as the seal for the plate and the spring are checked annually, it is a maintenance free item.
AirMike wrote:
| Quote: | | --> RV10-List message posted by: "AirMike" <Mikeabel(at)Pacbell.net> (Mikeabel(at)Pacbell.net) We all have different configurations except for the - Throttle, Mix, prop and alt air cables (and the manifold pressure sensor). |
--
[img]cid:1.3534903657(at)web53701.mail.re2.yahoo.com[/img]
|
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
|
| Description: |
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| Filesize: |
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| Viewed: |
3346 Time(s) |
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_________________
Don A. McDonald
40636 |
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