Today's Message Index:
----------------------
1. 09:22 AM - Re: Source for Wire wrap PCB stakes (The Kuffels)
2. 10:10 AM - Re: Source for Wire wrap PCB stakes (Paul McAllister)
3. 06:34 PM - Re: Re: PTT Y adapter for RST intercom (Robert L. Nuckolls, III)
4. 11:35 PM - Re: Schematic Drawings (nuckollsr)
Message 1
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| Subject: | Re: Source for Wire wrap PCB stakes |
Paul,
<< PCB wire wrap pin. I am looking for these again and the nearest
thing I can find is ED5002-ND from Digikey. Apart from the fact that
these are .33cents each >>
Mouser sells the Vector wire wrap pins. 574-T68/C is 100 bifurcated
posts for $10.71 or 574-T46-4-9/C straight posts for $10.45.
Tom Kuffel
Message 2
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| Subject: | Re: Source for Wire wrap PCB stakes |
Tom,=0A=0A=0AThank you, this is exactly what I was looking for.- Although
I had searched Digikey & Mouser I was obviously not using the correct name
. =0A=0A=0AThanks again,- Paul=0A=0ADo not archive=0A=0A=0A______________
__________________=0A From: The Kuffels <kuffel@cyberport.net>=0ATo: aeroel
ectric-list@matronics.com =0ASent: Monday, November 28, 2011 11:18 AM=0ASub
ject: Re: AeroElectric-List: Source for Wire wrap PCB stakes=0A =0A=0A =0AP
aul,=0A-=0A=0AMouser sells the Vector wire wrap pins.- =0A574-T68/C is
100 bifurcated posts for $10.71 or 574-T46-4-9/C straight posts for =0A$10.
45.=0A-=0ATom Kuffel=0A
Message 3
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| Subject: | Re: PTT Y adapter for RST intercom |
At 03:16 PM 11/27/2011, you wrote:
>
>See attached picture that shows how a perf board with copper strips
>can be used to make a project without having to acid etch a copper
>clad PC board. While not suitable for complex circuits, simple
>circuits can be crafted by adding jumpers to the component side of the board.
Another options to consider . . .
Emacs!
You could lay out a board like that shown above (actually, the
layout is already done) and order them from Express PCB.
Minimum order yields 18 boards in 3 days for about $69.
This board would accept a solder-cup D-sub along one
edge and mate to 9-pin de-sub of your choice. The board
is supported at one end on the mating connector. The other
end with a screw and spacer. Alternatively, one could
downsize the d-sub connectors like I did here
http://www.aeroelectric.com/articles/macservo/macservo.html
. . . and finish off the installation with a simple, over-all
cover of heat shrink where the relay assembly is simply tied
to a wire bundle.
In this instance, I think I'd solder the relay to the board
as opposed to setting it in a socket. This process would
yield a very compact relay assembly with robust construction,
very low assembly time and stone simple (d-sub) interface
to your radio.
Bob . . .
Message 4
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| Subject: | Re: Schematic Drawings |
See paragraph 1357 and 1361 in
http://www.aeroelectric.com/Reference_Docs/FAA/Part23_electrical_A.pdf
These conventions in the certified world are generally promoted in the z-figures
by suggesting that battery busses be located at the battery. Protection for
always hot feeders not exceed 5A in breaker or 7A in fuse or be fitted with the
functional equivalent of a pilot controlled disconnect as illustrated in . .
.
http://www.aeroelectric.com/PPS/Adobe_Architecture_Pdfs/Z32K.pdf
My recommendations are based on what I know I could get certified on an T/C aircraft.
Just how far afield one chooses to go in the experimental aircraft world
is up to the builder.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359626#359626
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