Today's Message Index:
----------------------
1. 07:17 AM - Transponder testing redux (Ralph E. Capen)
2. 07:40 AM - Re: fouling plugs (Tom Brusehaver)
3. 08:30 AM - Re: Transponder testing redux (Leo J. Corbalis)
Message 1
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| Subject: | Transponder testing redux |
--> Avionics-List message posted by: "Ralph E. Capen" <recapen@earthlink.net>
Thanks to all that responded to the initial post - I think that I understand the
part of the original posting regarding ATC, standby, and their ability to 'see'
me on the ground.
This still leaves me with a lack of knowledge of how to ensure that my transponder
is responding to interrogations correctly.
My airport is within the mode C veil so I'll technically need it even for first
flight (that's a ways off too but if I gotta get something fixed - now's the
time). Do I need to contact an avionics shop with portable test gear? Removing
the radio seems silly since I need to test my system not just the radio.
Any takers......
Message 2
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| Subject: | Re: fouling plugs |
--> Avionics-List message posted by: Tom Brusehaver <cozytom@mn.rr.com>
I've been told that there is too much lead in 100LL for
the O-360's. A couple people have recomended running as
much as half lead free gas. Trouble is, where to get it.
On Sun, 25 Jul 2004 00:10:23 -0500, Dave Ford <dford@michweb.net> wrote:
> --> Avionics-List message posted by: "Dave Ford" <dford@michweb.net>
>
> I have an O360A1A that I am intermittently fouling the bottom plugs. I
> can rotate the top to bottom, bottom to top and it will work for a
> while. The question I have is regarding which plug to use, I mean my
> ignition system calls for either RHM38 or RHM40, is there an advantage
> to using a hotter plug, which I believe is the RHM40? I recently flew
> to a location with engine running fine, landed, restarted after 1/2 hour
> and noticed the engine running a little rough. In flight I had a high
> EGT on no. 2 cylinder and had to fly at a lower rpm setting to keep
> things in the green. When I landed I checked both plugs on no. 2 and
> sure enough the bottom plug was wet. Changed to a new plug on the
> bottom and went flying, all was well. So will a hotter plug resolve
> this issue?
>
> Dave Ford
> RV6 w/FADEC
>
>
Message 3
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| Subject: | Re: Transponder testing redux |
--> Avionics-List message posted by: "Leo J. Corbalis" <leocorbalis@sbcglobal.net>
You have to get your transponder checked every 2 years by a certified tech
or shop. Put it off until you are almost ready to fly. No point in buying
dead time. Worst case repairs could delay you a week or 2. Buy just the
manual, antenna ,coax and tray. Do all the wiring now and buy the unit when
you are ready to go to the airport. Same for the transceiver. If the vendor
balks, there are plenty of others who will gladly sell just the stuff you
need and keep your warranty time intact. Most unit failures are in the first
few months of operation.
Leo Corbalis
----- Original Message -----
From: "Ralph E. Capen" <recapen@earthlink.net>
Subject: Avionics-List: Transponder testing redux
> --> Avionics-List message posted by: "Ralph E. Capen"
<recapen@earthlink.net>
>
> Thanks to all that responded to the initial post - I think that I
understand the part of the original posting regarding ATC, standby, and
their ability to 'see' me on the ground.
>
> This still leaves me with a lack of knowledge of how to ensure that my
transponder is responding to interrogations correctly.
> My airport is within the mode C veil so I'll technically need it even for
first flight (that's a ways off too but if I gotta get something fixed -
now's the time). Do I need to contact an avionics shop with portable test
gear? Removing the radio seems silly since I need to test my system not
just the radio.
>
> Any takers......
>
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