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Transponder and Radio position

 
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trigo(at)mail.telepac.pt
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PostPosted: Sun Sep 28, 2008 5:21 pm    Post subject: Transponder and Radio position Reply with quote

Hi there Folks

I am about to begin the installation of the Transponder (GTX-330) and the Comm Radio (SL-30) in my RV-9A’s panel, and I wonder if there is any rule of thumb about their position in the central rack.
In panels that I have seen, the Xpdr is usually at the bottom position, with the Radio immediately above.
Which are the pros and cons of putting those 2 avionics at the bottom of the rack, and the Xpdr below or above the Radio?

Carlos

[quote][b]


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Sam



Joined: 18 May 2008
Posts: 135

PostPosted: Sun Sep 28, 2008 5:37 pm    Post subject: Transponder and Radio position Reply with quote

From the ergonomics point of view, you would position things by how much you have to use them. Since you "use" a transponder less than a com radio, the com would get preference in the battle of the easiest reach.

Sam Hoskins
www.samhoskins.blogspot.com

On Sun, Sep 28, 2008 at 8:20 PM, Carlos Trigo <trigo(at)mail.telepac.pt (trigo(at)mail.telepac.pt)> wrote:
[quote]
Hi there Folks

I am about to begin the installation of the Transponder (GTX-330) and the Comm Radio (SL-30) in my RV-9A's panel, and I wonder if there is any rule of thumb about their position in the central rack.
In panels that I have seen, the Xpdr is usually at the bottom position, with the Radio immediately above.
Which are the pros and cons of putting those 2 avionics at the bottom of the rack, and the Xpdr below or above the Radio?

Carlos

Quote:


[b]


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Sam Hoskins
www.samhoskins.blogspot.com
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aerobubba(at)earthlink.ne
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PostPosted: Mon Sep 29, 2008 3:36 am    Post subject: Transponder and Radio position Reply with quote

In my case, Beckers on the left edge of an RV-8 panel, ergonomics were
equal. However, the transponder consumes a lot more power than the coms
do, so I put it at the top of the stack. Given that heat is the greatest
enemy of our electronics, this should allow my coms to run somewhat cooler.

FWIW-

glen matejcek
aerobubba(at)earthlink.net

Quote:
Subject: Transponder and Radio position

Hi there Folks
I am about to begin the installation of the Transponder (GTX-330) and the
Comm Radio (SL-30) in my RV-9A's panel, and I wonder if there is any rule
of

Quote:
thumb about their position in the central rack.

In panels that I have seen, the Xpdr is usually at the bottom position,
with

Quote:
the Radio immediately above.

Which are the pros and cons of putting those 2 avionics at the bottom of
the

Quote:
rack, and the Xpdr below or above the Radio?
Carlos


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