Today's Message Index:
----------------------
1. 12:50 PM - TruTrak ADI (Palvary)
2. 01:47 PM - Re: TruTrak ADI (Peter Pengilly)
3. 04:06 PM - Audio Mixer'Iso Amp, Stereo Music Adaptor and Tone Annunciator (Vernon Little)
4. 06:29 PM - EL Lighting (Alan K. Adamson)
Message 1
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Dennis, Dennis, and Mike,
Thanks very much for your user reports. The instrument does offer great
value, but now I'm not sure it is what I want. The Tru Trak ADI has a
novel way of helping the pilot hold proper attitude in IMC. Supposedly
there are human factors studies indicating that it is a better way than
just the traditional horizon indicator. From what I can see, though, the
device is simply putting in one convenient unit the turn coordinator ,
vertical speed indicator and GPS track....devices I already have on my
panel. I think the suggestion to fly one first hand is the way to go for
me because I'm being old fashioned and believing I will miss the true
attitude indicator.
--Jose
Message 2
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Jose,
I have had an ADI for a couple of years. Mine has an integral GPS, so
the display shows track ' that was the original reason for getting it,
as well as my T&B started to sound like a coffee grinder. When you get
slow the display alternately shows =93A_S=94 (for airspeed) and the
track
number, to remind you to look at the ASI (the theory being the ASI gives
better information at slow speed). The speed when the AS is shown can be
set by the user.
I think it does much more than combine the 3 instruments you mention,
when you are flying normally in the cruise it allows you to keep the
aircraft in control, on track, and pretty much on altitude by reference
to one instrument. Clearly reference must be made to an altimeter for
accurate height keeping. I installed the instrument as an IMC back-up in
a VFR airplane, and I am very happy with it, it is quite intuitive to
use. I have some hood time with it, but no actual.
If you are wanting to replace an attitude indicator, then I would
suggest you definitely should try one out first. It may suit your needs,
it may not. Also, the package is square and a fair amount larger than a
regular instrument (perhaps 3=BD=93 square?), with a 9 pin d-sub + pitot
pressure on the back, so make sure you have sufficient space behind the
panel.
Peter
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Palvary
Sent: 26 June 2008 20:46
Subject: AeroElectric-List: TruTrak ADI
Dennis, Dennis, and Mike,
Thanks very much for your user reports. The instrument does offer great
value, but now I'm not sure it is what I want. The Tru Trak ADI has a
novel way of helping the pilot hold proper attitude in IMC. Supposedly
there are human factors studies indicating that it is a better way than
just the traditional horizon indicator. From what I can see, though, the
device is simply putting in one convenient unit the turn coordinator ,
vertical speed indicator and GPS track....devices I already have on my
panel. I think the suggestion to fly one first hand is the way to go for
me because I'm being old fashioned and believing I will miss the true
attitude indicator.
--Jose
Message 3
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Subject: | Audio Mixer'Iso Amp, Stereo Music Adaptor and Tone |
Annunciator
This information was buried in another thread, so I've pulled it out as a
stand alone announcement: ===============================================
Vx Aviation Introduces Three New Audio Products
10-Channel Mixer, Stereo Music Adapter and Tone Annunciator
VANCOUVER, BC---June 21, 2008---Vx Aviation today at the 2008 Langley BC RV
and Classic Fly-In announced the introduction of three innovative products
for non-certified aircraft applications that add new capability and
dramatically simplify and lower the cost of audio system installation. The
products include the AMX-2A 10-channel audio mixer, the ASX-2A high-fidelity
stereo music adapter and the AL-1A tone annunciator device.
All three products work seamlessly with virtually all intercoms, audio
panels, radios and other aircraft audio devices. All three are packaged in
D-subminiature connector shells, thus making them extremely compact and
light.
For more information www.vx-aviation.com
===============================================
If you are familiar with Bob's isolation amplifier and tone generator,
you'll see a vague family resemblance. The miniaturization is due to a
large part by using more advanced integrated circuits and components
specifically designed for "height challenged" packaging.
The 10-channel audio mixer is a real problem solver if you are using an
intercom and need to connect a bunch of audio sources. The stereo music
amplifier is self-explanatory and the tone annunciator replaces those
annoying sonalerts or easy to overlook lamps with a somewhat less annoying
beeping tone in your headphones.
One thing worth noting about these devices: There are no exotic components
or embedded software used. Years from now, if they ever need to be
serviced, any competent electronics tech can do it. Something to think
about when you consider using gee-whiz new gizmos in you're a/c.
Thanks,
Vern Little
Message 4
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Ok, so the docs on the UMA EL lighting says to twist the wires on the AC
wiring for 8 turns per inch... Ok, but has anyone used shielded wire?
I'm wondering if there is an advantage to using a 2 conductor shielded
tefzel wire (which is twisted internally) and then just ground the shield at
one end. Will it be any better or worse than just twisting the 2 wires -
unshielded that UMA gives you?
For those that don't know, the EL lights use AC (around 100V) to cause the
lights to glow, it's low current, but AC and I'd just as soon limit any
source for Hmmmmmmmm...
Thots?
Alan
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