Today's Message Index:
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1. 02:55 AM - Re: Hot center channel (Greg McFarlane)
2. 03:44 AM - Re: Hot center channel (Rob Kermanj)
3. 06:04 AM - Re: Hot center channel (Tim Olson)
Message 1
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| Subject: | Re: Hot center channel |
In mild climates really only heat is required to the front and not at all to the
rear. One heat muff to supply the front only cuts the heat to the firewall and
so the tunnel by half. (the firewall vent for the rear can be permanently sealed
off and the air out of the unused heat muff can be dumped down, or that
heat muff can be removed) For the front Using a T fitting incorporating a butterfly
valve (available from Spruce) the heater air from the heat muff can be diverted
via a scat down toward the bottom cowl instead of blasting away at the
firewall all the time the heater is not required. (which of course includes Summer)
Only two push pull controls are still required, one to control the T fitting
and one at the firewall valve. Using this solution the firewall valve really
only needs to be full open, heater on, or fully closed heater off, this
reduces the likely introduction of unwanted fumes entering the cabin with a partly
opened firewall valve, heat is regulated via the T fitting out of the heat
muff, the heated air is still full flowing through the heat muff so no abnormal
build up of heat by restriction. Just my solution which has kept the tunnel
cool. Cheeers from Western Australia
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=486190#486190
Message 2
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| Subject: | Re: Hot center channel |
Here is a possibility.
> On Dec 9, 2018, at 12:53 AM, Albert <ibspud@roadrunner.com> wrote:
>
>
> After reading the comments I'm wondering about making a removable
> restrictor/air dam in front on the scat tube. Normally need very
little heat
> in Arizona although last winter in Missouri max heat was needed on
very cold
> days. I guess one could make a shutter like dam that could be operated
from
> the cockpit as opposed to having to remove the top cowl. I installed a
> sliding restrictor to block heat on my side in the cabin since my wife
> usually wants a lot more heat than I do.
> Albert Gardner
> RV-10 N991RV
> Yuma, AZ
>
>
>
>
>
Message 3
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| Subject: | Re: Hot center channel |
I just use aluminum tape and cover about 1/3 of the inlet in the baffle.
Its easy to remove when you want full flow.
Tim
> On Dec 8, 2018, at 11:53 PM, Albert <ibspud@roadrunner.com> wrote:
>
>
> After reading the comments I'm wondering about making a removable
> restrictor/air dam in front on the scat tube. Normally need very little heat
> in Arizona although last winter in Missouri max heat was needed on very cold
> days. I guess one could make a shutter like dam that could be operated from
> the cockpit as opposed to having to remove the top cowl. I installed a
> sliding restrictor to block heat on my side in the cabin since my wife
> usually wants a lot more heat than I do.
> Albert Gardner
> RV-10 N991RV
> Yuma, AZ
>
>
>
>
>
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