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bob88
Joined: 24 Feb 2013
Posts: 99
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 Posted: Mon Dec 08, 2014 6:59 pm Post subject: Heater control cables |
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Is there room to install these cables after the engine is hung? Too hard to judge the required length at this point in my build and I don't think they can be shortened from the cabin side.
A semi-related question is whether there is need for an airflow control on the oil cooler. If so, I have seen electric servo installation somewhere along the line. Anyone with experience in this regard?
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Mon Dec 08, 2014 7:30 pm Post subject: Heater control cables |
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How much room you have to adjust the cables with the engine in place
depends on which magnetos/electronic ignition you have. It is kind of
tight with the S1200 mags I have, but most any other option is smaller.
If you have one or both mags off the engine, access would be pretty good.
On 12/8/2014 7:59 PM, bob88 wrote:
| Quote: |
Is there room to install these cables after the engine is hung? Too hard to judge the required length at this point in my build and I don't think they can be shortened from the cabin side.
A semi-related question is whether there is need for an airflow control on the oil cooler. If so, I have seen electric servo installation somewhere along the line. Anyone with experience in this regard?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=435513#435513
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Kelly McMullen
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jesse(at)saintaviation.co
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| Posted: Tue Dec 09, 2014 2:58 am Post subject: Heater control cables |
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It can be done, but it is a pain. Hard to get installed neatly.
Jesse Saint
I-TEC, Inc.
jesse(at)itecusa.org
www.itecusa.org
www.mavericklsa.com
C: 352-427-0285
O: 352-465-4545
F: 815-377-3694
Sent from my iPhone
| Quote: | On Dec 8, 2014, at 9:59 PM, bob88 <marty.crooks(at)comcast.net> wrote:
Is there room to install these cables after the engine is hung? Too hard to judge the required length at this point in my build and I don't think they can be shortened from the cabin side.
A semi-related question is whether there is need for an airflow control on the oil cooler. If so, I have seen electric servo installation somewhere along the line. Anyone with experience in this regard?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=435513#435513
|
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karolamy(at)roadrunner.co
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| Posted: Tue Dec 09, 2014 8:46 am Post subject: Heater Control Cables |
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Bob,
Regarding the Heater Control Cables, I just finished installing them this past weekend. Engine was installed with Mags in place. So, it can be done but it will take a bit extra time as you work your way around everything (hoses, wires, etc,) that is already in place. That said I’d conclude: If you know where your cables will be located on or around your panel and can install them go ahead as it will be much easier with no engine in place - like 30 minutes including cutting the cables to length as opposed to 2 hours with engine in place. The problem is that unless you are building a sub panel for the cables that will be attached to your instrument panel, AND will be attached from behind (meaning forward or closer to the firewall) or under the instrument panel, you very well may need to remove the control cables until final installation of your instrument panel. That may be after your engine is in, so you are still struggling with the tight quarters for cable installation, but, they would already be cut to size etc. Study how the cable is attached at the knob end and you will see what I mean.
If I were doing it again, I’d still wait and do it one time, final, after panel and engine is all in. The extra time you save trying to do it in advance can be easily sucked up as you sit there stewing over where, what length, am I sure, what if, I’m not sure, I might not be able to, this could change, etc………
Regarding your next question of oil cooler air control: I have heard enough comments from flying RV-10 drivers that the temperature seems to hang around the high 150’s to low 160’s in winter flight, that I added a cockpit controlled airflow door on mine. My RV-6 had the same issue and I just fabricated a flow restrictor for winter flight that I manually installed each winter. It worked just fine bringing the temp back up to a nicely desired 180 degrees. The question every year and as the seasons changed remained: what about that 3 hour flight where you took off ambient 50 - 60 degrees then found yourself flying along at altitude looking down at 0 degrees F, only to look over at the Oil Temp and see 158 - 160 degrees = cringe:( Wish I had put in the restrictor! On the 10, I want to be able to adjust that in flight!
Avery Tools has the air control door and TCW has the electronic controller if you want to go that way too.
Hope that helps,
Rich Hansen - still finalizing, but end in sight……
| Quote: |
Time: 07:30:09 PM PST US
From: Kelly McMullen <kellym(at)aviating.com>
Subject: Re: Heater control cables
How much room you have to adjust the cables with the engine in place
depends on which magnetos/electronic ignition you have. It is kind of
tight with the S1200 mags I have, but most any other option is smaller.
If you have one or both mags off the engine, access would be pretty good.
On 12/8/2014 7:59 PM, bob88 wrote:
>
> Is there room to install these cables after the engine is hung? Too hard to judge
the required length at this point in my build and I don't think they can
be shortened from the cabin side.
>
> A semi-related question is whether there is need for an airflow control on the
oil cooler. If so, I have seen electric servo installation somewhere along the
line. Anyone with experience in this regard?
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=435513#435513
>
>
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Mauledriver(at)nc.rr.com
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| Posted: Tue Dec 09, 2014 3:04 pm Post subject: Heater control cables |
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Knowing that it was possible but more of a pain once the engine is hung, I came up with a mounting that was independent of the panel and pretty much independent of cable length. It has worked well.
Heater cable mount on tunnel cover
It detaches easily with one screw and can easily be kept out of the way for all the panel and cockpit work as well as for maintenance once flying.
On 12/8/2014 9:59 PM, bob88 wrote:
[quote] | Quote: | --> RV10-List message posted by: "bob88" <marty.crooks(at)comcast.net> (marty.crooks(at)comcast.net)
Is there room to install these cables after the engine is hung? Too hard to judge the required length at this point in my build and I don't think they can be shortened from the cabin side.
A semi-related question is whether there is need for an airflow control on the oil cooler. If so, I have seen electric servo installation somewhere along the line. Anyone with experience in this regard?
|
[b]
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dhmoose
Joined: 22 Nov 2010
Posts: 29
Location: Portland, OR
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rv10flyer
Joined: 25 Aug 2009
Posts: 364
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| Posted: Sun Jan 04, 2015 8:36 pm Post subject: Re: Heater control cables |
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Same here in Ky. Below 60F OAT, you need it and it works very well. Above 90F in a 105 kt climb, I wish my SCAT was bigger. It is easy enough to lower the nose to 120 kt and it easily stays below 220F(my limit).
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