Today's Message Index:
----------------------
0. 09:51 AM - Make Sure You're Listed! List of Contributors Coming in December! (Matt Dralle)
1. 12:15 AM - Re: Which leads for Alcor EGT? (Bob Verwey)
2. 03:54 AM - Re: Headphone power requirements (Robert L. Nuckolls, III)
3. 03:55 AM - Re: Re: Credit given to Bob Nuckolls (Robert L. Nuckolls, III)
4. 07:20 AM - Michel MX300 VHF Comm Available (Jared Yates)
5. 12:29 PM - LED strip project (DCS317@aol.com)
6. 12:56 PM - Re: LED strip project (Robert L. Nuckolls, III)
7. 02:50 PM - Not ready for prime time switches . . . (Robert L. Nuckolls, III)
8. 09:06 PM - Wiring handheld scanner into intercom (geoffwinter)
Message 0
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| Subject: | Make Sure You're Listed! List of Contributors Coming |
in December!
Dear Listers,
There's just a couple more days left in this year's List Fund Raiser and that means
the List of Contributors (LOC) is just around the corner! In December I
post a list of everyone that so generously made a Contribution to support the
Lists. Its my way of publicly thanking everyone that took a minute to show their
appreciation for the Lists.
Won't you take minute and assure that your name is on the upcoming LOC? Tell others
that you appreciate the Lists. Making a Contribution to support the Lists
is fast and easy using your Visa, MasterCard, or Paypal account:
http://www.matronics.com/contribution
Or, drop a personal check in the mail to:
Matt Dralle / Matronics
581 Jeannie Way
Livermore CA 94550
I would like to thank everyone that has so generously made a Contribution thus
far during this year's List Fund Raiser! Remember that its YOUR support that
keeps these Lists running and improving! Don't forget to include a little comment
about how the Lists have helped you!
Thank you!
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | Re: Which leads for Alcor EGT? |
Much obliged to you, Sir!
Best...
Bob Verwey
On 26 November 2012 21:07, Robert L. Nuckolls, III <
nuckolls.bob@aeroelectric.com> wrote:
> nuckolls.bob@aeroelectric.com**>
>
> At 06:48 AM 11/26/2012, you wrote:
>
>> Gents,
>> I have a mint condition Elcor Ekonomix instrument plus Alcor 9411 probe
>> p/n 86245. I do not have the leads to connect the two!
>>
>> The setup tests fine when the probe is connected directly to the gauge,
>> although I am not to sure about the calibration without the leads.
>>
>> Can anyone tell me an easy way to set up 4 ft leads that would work
>> please?
>>
>
> According to this data sheet on Alcor's website
>
> http://tinyurl.com/d4y7pdu
>
> your probe is a type K device. You can fabricate
> an type-K extension lead from the appropriate
> wire but depending on your locale, it may
> be hard to find. It should be crafted from stranded
> type-K wire.
>
> The factory offerings for extension cables
> are ridiculously long for an SE aircraft
>
> http://tinyurl.com/cj29577
>
> You can order a small quanity of 20AWG stranded
> K wire for $33 from Omega
>
> http://tinyurl.com/2fpp8r
>
> cut it to appropriate length and install PIDG
> terminals to make the connections.
>
>
> Bob . . .
>
>
Message 2
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| Subject: | Re: Headphone power requirements |
At 05:59 PM 11/26/2012, you wrote:
><retasker@optonline.net>
>
>I suspect what he is saying is that he paralleled the L&R of the
>headphone and inserted the 680 ohm resistor in series with that.
Aha! But of course . . . yet another example of
how poorly studied words can be the foundation
for a equally poor assessment of fact. Also
a good example of why it's a good thing
to have more than one pair of eyes doing the
reading.
Good call sir!
Bob . . .
Message 3
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| Subject: | Re: Credit given to Bob Nuckolls |
>
>[Luckey] ' Bob, I believe that=92s techno-weenies. You may want to
>update your spell-checker accordingly ;)
Yeah . . . I'm not sure how one does that
for Eudora. I'll have to look into that.
Bob . . .
Message 4
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| Subject: | Michel MX300 VHF Comm Available |
Is anyone in the market for a Michel MX300 VHF radio? I've got one that
was a spare, still in the packaging from an overhaul with 8130. I'd like
to get $800 for it and can provide details and pictures on request. Please
email directly.
do not archive
Message 5
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| Subject: | LED strip project |
Bob,
How's this project going? I'm interested!
Don
Bob stated on 8-1-12:
I'm going to be using about 80 feet of this product in
my kitchen to put double rows of ceiling accent lighting high up,
double rows to replace recessed canister lights over the
counters and a third twin-row installation under the cabinets
for work lighting. The double-rows will be wired in series to run
off 24 volt supplies in the walls. My present lighting
is fraught with hot-spots from 11 different fixtures with
no accent lighting on a budget of about 700 watts. The working
end of my kitchen will be nicely lighted for both appearance
and working illumination on a power budget of about 175
watts total. This technique produces very wide-angle
illumination that is virtually shadow free.
Message 6
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| Subject: | Re: LED strip project |
At 02:27 PM 11/27/2012, you wrote:
>Bob,
>
>How's this project going? I'm interested!
>Don
>
No real fast. End-of-year commitments and all . . .
I have acquired some Formica counter top material
which I cut into 1" wide strips. I plan to build
assemblies of strip lamps onto these strips.
I need five L-shaped assemblies that take the lighting
around corners. If these can be pre-assembled
into a rigid shape for both wiring and spacing
of the led-strips, they'll be easier to install
on the bottoms of the cabinets. They'll also
be easier to remove for maintenance such as
painting and some not too distant remodeling
in the plans.
When I get ready to put them together and
installed, I'll take photos of the process and
post them to the website.
Bob . . .
Message 7
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| Subject: | Not ready for prime time switches . . . |
The open source Wig Wag project is moving along.
Many of you will recall that Greg McHugh took
a first pass at the software and Paul Fisher
recently sent me the second pass.
I re-configured the boards to improve ease
of manufacturing. I've stuffed a new board and
it's ready for Paul's software.
I sent Paul the first bench test fixture for
this configuration so I started to build another
one for myself. I'd ordered a fist full of Hong Kong
switches few weeks ago to make sure I had inventory
for test fixtures.
Emacs!
Started to solder wires to them and was dismayed to
see the terminals "move" under the heat and pressure
of normal soldering processes. Seems the plastic
for this batch of switches is not ready for prime
time.
Fortunately, I've got plenty of US switches and
the project is moving forward. More data later
tonight.
I tried the HK switches a few years ago and didn't
even try to mount and solder. They were mechanically
un-satisfactory. This latest batch is MUCH better
mechanically but I'm going back into the wait and
see mode. If anyone identifies an HK product of
eBay or some such that hangs together better, please
let the List know . . . I'll do likewise.
Bob . . .
Message 8
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| Subject: | Wiring handheld scanner into intercom |
Hi, the airfield I fly out of has a UHF-only ATIS which I currently monitor via
a handheld scanner with a 3-conductor 1/8" 8 output (Icom IC-R5). I use bud-style
earphones and simply put one of the ear pieces into my ear underneath my
headset when I need to hear the scanner. Not exactly the most convenient solution,
so what I'd like to do is wire in the output from the scanner directly
into the output from my KY97A comm radio so that both are permanently going into
my headset. That way, all I need to do is turn on the scanner to hear it,
then turn it off when finished. I'm guessing I need to match the impedances
to make this work - I understand the standard David Clarke headset is usually
100 ohm? Could anyone please advise what (electrically) I need to do to make
this work? Apologies for being a complete avionics/electrical numpty!
Regards
Geoff, NSW AUS
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http://forums.matronics.com/viewtopic.php?p=389239#389239
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