Well, for $100 you would think they would be more resilient :-) Thanks for
the thought. I will look into blades, etc. Nothing worse than getting a
call from a controller indicating they can't see you!
Rick
SR70
-----Original Message-----
From: George Coy [SMTP:
george@gesoco.com]
Sent: Monday, August 18, 2003 4:20 PM
To:
murphy-rebel@dcsol.com
Subject: RE: Re: transponders antenna location, was Transponder
The stick and ball antennas are relatively cheap $35.00, but are easily
damaged. (usually when washing the airplane) I prefer the blade type but
they cost about $100.00. They are almost indestructible. (they do not
survive a gear up landing in a retractable aircraft)
George Coy
-----Original Message-----
From:
mike.davis@dcsol.com [mailto:
mike.davis@dcsol.com]On Behalf Of
rickhm@mindspring.com
Sent: Monday, August 18, 2003 4:48 PM
To:
murphy-rebel@dcsol.com
Subject: Re: Re: transponders antenna location, was Transponder
Bill,
Thanks for the thoughts. I wondered if it was a line of sight system.
Made sense given its function. No the grass isn't THAT long! Yes I
understand your comments about airspace. I live under the 30 mile vail of
Denver International, so like you I don't have a choice if I am going to
get
around much.
THanks again.
Rick Muller
SR60
-------Original Message-------
From: Bill Delcambre <
bdelcambre@cox-internet.com>
Sent: 08/18/03 08:03 AM
To:
murphy-rebel@dcsol.com
Subject: Re: transponders antenna location, was Transponder
The small steel antenna that you've described is probably the most common
and certainly cheapest transponder unit but not the only one available.
There are also blade type antennas for the same use. Two issues that
might
affect your wingtip idea; My understanding is that this system is 'line
of
sight', meaning that you might lose radar contact when the fuselage is
between the radar station. Another is the need for a good ground plane.
Mounting on the wingtip will require you to build a ground plane. I'm
gonna put mine on the belly, about a foot aft of the gear legs.
Exactly how long is the grass where you're gonna land? What's the prop
gonna look like after cutting that hay? In all seriousness, the belly
seems
to be universally accepted.
FWIW, Bob seems to be more of a rebel than me. Either that, or the
Canadian
airspace is much more relaxed than down here. Traveling whenever and
where
ever you want is much easier with a transponder. I, too, kinda like the
safety factor, besides, I'm based out of a Class C airport. No choice
here.
Bill Delcambre
----- Original Message -----
From: <
rickhm@mindspring.com>
To: <
murphy-rebel@dcsol.com>
Sent: Monday, August 18, 2003 10:41 AM
Subject: transponders antenna location, was Transponder
Where to mount the antenna? The antenna's I have seen look like a 3"
1/8"
steal wire with a small ball-bearing on the end. I am thinking of
mounting
it in my wing tip to prevent it from getting caught in grass. The other
alternative is the belly, but as I mentioned grass and such could catch on
it. Anyone have any thoughts or know what the RV people do?
-------Original Message-------
From: Ralph Baker <
rebaker@ftc-i.net>
Sent: 08/18/03 05:07 AM
To:
murphy-rebel@dcsol.com
Subject: transponders
Mike,
In the US a transponder allows you to utilize the ATC system for flight
following while VFR on a "space available" basis (most of the time).
That is a major safety enhancement with traffic advisories at low cost
and hassle.
Ralph
Baker
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