Today's Message Index:
----------------------
1. 12:23 AM - Z-12 Master switch question (BuckWynd)
2. 06:47 AM - Re: Z-12 Master switch question (Robert L. Nuckolls, III)
3. 11:08 AM - Re: Dan's Jabiru 3300 Wiring Schematic (messydeer)
4. 07:48 PM - Audio Alert to PM 100II (Don McIntosh)
5. 10:21 PM - Re: Audio Alert to PM 100II (Vern Little)
Message 1
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Subject: | Z-12 Master switch question |
I was studying various Z diagrams over the last several weeks and noticed that
the Z-12 diagram has a single DPDT switch to control the main electrical system.
It has a single switch instead of a split-type master switch like you see in
Cessnas. With no Alternator Field switch, are there times with a Z-12 system
when one might wish for a split switch, or two seperate switches? How is this
system different from the electrical systems on most factory-built aircraft that
separate the functions?
Thanks in advance for educating me.
Buck
--------
Buck Wyndham
RV-8 N18XL (working on fuselage & systems)
Northern Illinois
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=259244#259244
Message 2
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Subject: | Re: Z-12 Master switch question |
At 02:21 AM 8/24/2009, you wrote:
>
>I was studying various Z diagrams over the last several weeks and
>noticed that the Z-12 diagram has a single DPDT switch to control
>the main electrical system. It has a single switch instead of a
>split-type master switch like you see in Cessnas. With no Alternator
>Field switch, are there times with a Z-12 system when one might wish
>for a split switch, or two seperate switches? How is this system
>different from the electrical systems on most factory-built aircraft
>that separate the functions?
>
>Thanks in advance for educating me.
The S700-2-10 switch (B&C p/n) shown in the
Z-figures is a progressive transfer switch
that emulates the split rocker used on many
type certificated single-engine airplanes.
See chapter on switches in the 'Connection
Alternatively, one may consider a simple double
pole, double throw switch to bring battery and
field on together. In this case, pulling the
breaker (required for crowbar ov protection
system) disables the alternator field path
when the DC power switch is on for extended
periods of time with the engine not
running.
Bob . . .
---------------------------------------
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
---------------------------------------
Message 3
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Subject: | Re: Dan's Jabiru 3300 Wiring Schematic |
Thanks for the help, guys :-)
I've uploaded an updated version of the schematic, hopefully with all the changes
made. Most or all of them can be seen in a blue font.
It won't be for several weeks before I'll need to finalize the starting wiring,
so I'll have the chance to get more feedback about the 2- versus 3-switch starting
circuit. As drawn, I still have the 2-switch version.
I may decide to stay with the Powerlet sockets for the cabin aux power, but since
they wouldn't be used for more than a few amps, I could get a more standard
cigarette socket. This one
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=AS212-ND
has a locking mechanism. Looks like you'd just twist it when you slide the plug
in. They also sell the locking plug. Digikey told me the socket accepts any cigarette
plug, but it's not clear to me if they all would lock.
For the batter charger connection that I'd mount FWF and access through a cowl
opening, I found a few kinds that seem like they'd work.
The first one below is has an SAE on one end and Anderson powerpole on the other.
Never heard of Anderson before, but sounds like they are popular in the RC
arena:
http://www.powerwerx.com/adapter-extension-cables/bullet-connector-to-powerpole.html
Another one used by RC are Deans Ultra Plugs: http://www.wsdeans.com/products/plugs/ultra_plug.html
I would think any of these connectors would have no problem carrying 10-15 amps
from a charger.
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=259310#259310
Attachments:
http://forums.matronics.com//files/dans_z16m_mod_2_for_jabiru_3300_sonex_114.pdf
Message 4
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Subject: | Audio Alert to PM 100II |
I have a Dynon D180 that has 2 audio alert outputs that I can tie together but
there is no Aux input on the PM 1000II intercom or my Garmin SL 40 to hook to.
Someone said to hook it to my phone (headphone?) output but when I called PS
Engineering, they weren't sure it would work and had no suggestions except that
their new PM 3000 has 2 Aux inputs. Any ideas on how to get audio alert from
my Dynon? I do hate to undo my existing pins and soldered shields. I have an
"expansion unit" input slot that is open on the intercom harness, that is apparently
used for attaching their unit to add up to six passengers.
--------
Don McIntosh
Kitfox Series 7 under construction
Jabiru 3300
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=259415#259415
Message 5
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Subject: | Re: Audio Alert to PM 100II |
Hi Don. What you need is an audio mixer. The one that we manufacture is
the AMX-2A at www.vx-aviation.com. It takes 10 inputs (4 variable), which
may be overkill, but it will work with any radio and intercom, even ones
that do not have auxiliary inputs.
The variable inputs are ideal for the Dynon D180. Some rewiring is
necessary, but the unit is extremely small and can be buried in the wiring
harness.
Thanks,
Vern Little
Vx Aviation
----- Original Message -----
From: "Don McIntosh" <don@contractorsnorthwest.com>
Sent: Monday, August 24, 2009 7:45 PM
Subject: AeroElectric-List: Audio Alert to PM 100II
> <don@contractorsnorthwest.com>
>
> I have a Dynon D180 that has 2 audio alert outputs that I can tie together
> but there is no Aux input on the PM 1000II intercom or my Garmin SL 40 to
> hook to. Someone said to hook it to my phone (headphone?) output but when
> I called PS Engineering, they weren't sure it would work and had no
> suggestions except that their new PM 3000 has 2 Aux inputs. Any ideas on
> how to get audio alert from my Dynon? I do hate to undo my existing pins
> and soldered shields. I have an "expansion unit" input slot that is open
> on the intercom harness, that is apparently used for attaching their unit
> to add up to six passengers.
>
> --------
> Don McIntosh
> Kitfox Series 7 under construction
> Jabiru 3300
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=259415#259415
>
>
>
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