Today's Message Index:
----------------------
1. 12:21 AM - Wiring Microair Transponder to aeroKing ACK 30 Encoder (Ian Scott)
2. 12:47 AM - Re: Wiring Microair Transponder to aeroKing ACK 30 Encoder (Ian Scott)
3. 06:26 AM - Re: Re: Wiring Microair Transponder to (Robert L. Nuckolls, III)
4. 07:24 AM - Terra 760 D (Ed Anderson)
5. 08:07 AM - Re: Terra 760 D (David J. Spencer)
6. 01:07 PM - Wiring a Velocity - Strobe/Ammeter questions (Brett Ferrell)
7. 02:03 PM - sockets for H4351 & H4352 bulbs (KahnSG@aol.com)
8. 03:29 PM - LEDs (Fergus Kyle)
9. 03:38 PM - LightSpeed wiring (Dan Checkoway)
10. 04:32 PM - Re: LightSpeed wiring (Matt Prather)
11. 05:47 PM - Re: Terra 760 D (Ed Anderson)
12. 07:20 PM - RG-142 and RG-400 (BAKEROCB@aol.com)
Message 1
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| Subject: | Wiring Microair Transponder to aeroKing ACK 30 Encoder |
--> AeroElectric-List message posted by: "Ian Scott" <jabiru22@yahoo.com.au>
Hi bob and all.
I was wondering if you had a good diagram for connection the two.
Also is it against the convention to use a rewired pparallelcable and
just change the termination plug
Thanks in advance
Ian Scott
J400 taxied last week.
Message 2
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| Subject: | RE: Wiring Microair Transponder to aeroKing ACK 30 |
Encoder
--> AeroElectric-List message posted by: "Ian Scott" <jabiru22@yahoo.com.au>
Sorry it is a AK350
And a Microair 2000 transponder
-----Original Message-----
From: Ian Scott [mailto:jabiru22@yahoo.com.au]
Subject: Wiring Microair Transponder to aeroKing ACK 30 Encoder
Hi bob and all.
I was wondering if you had a good diagram for connection the two.
Also is it against the convention to use a rewired pparallelcable and
just change the termination plug
Thanks in advance
Ian Scott
J400 taxied last week.
Message 3
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| Subject: | Re: RE: Wiring Microair Transponder to |
aeroKing ACK 30 Encoder
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 05:47 PM 6/23/2003 +1000, you wrote:
>--> AeroElectric-List message posted by: "Ian Scott" <jabiru22@yahoo.com.au>
>
>
>Sorry it is a AK350
>
>And a Microair 2000 transponder
>-----Original Message-----
>From: Ian Scott [mailto:jabiru22@yahoo.com.au]
>To: 'aeroelectric-list@matronics.com'
>Subject: Wiring Microair Transponder to aeroKing ACK 30 Encoder
Sure goto http://www.aeroelectric.com/Installation_Data
and click on T2000-ACK350_Wiring.pdf
>Hi bob and all.
>
>I was wondering if you had a good diagram for connection the two.
>
>Also is it against the convention to use a rewired pparallelcable and
>just change the termination plug
?? if you're asking about using the cable assembly
that comes in the ACK-350 box, I use that cable assembly
when the customer orders the T2000 bundled with the
T2000 and wants me to build the harness. There will
be a connector on one end only and it will fit the
ACK-350. The colors shown on the wiring diagram match
the last harnesses I got with an ACK-350
If you have another harness already built for the
ACK-350 with a plug that mates with another transponder,
I don't see anything wrong with using cutting the
transponder plug off and reusing the harness.
Bob . . .
Message 4
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--> AeroElectric-List message posted by: "Ed Anderson" <eanderson@carolina.rr.com>
Hi Bob,
Don't know if you or anyone on the list may be able to help me with my
problem or not. I have a Terra 760D transceiver. I have always had a
problem with distortion when transmitting. Sometimes so bad folks receiving
can not understand me. At first, I though it might be the high noise level
in the cockpit, so got a better noise supression mic and also uphosteried
the interior to reduce ambient noise. Nothing seemed to solve the problem.
There is no static/distortion when receiving and my side tone does not have
any distortion. I have had the transceiver in three times to have it
checked, but you know how an intermittent problem is - never show up in the
repair shop. Antenna and Coax has been changed as well.
I finally obtained a maintenance manual and noticed that the sidetone is
generated one transistor before the modulation transistor. This leads me to
assume that the audio portion of the circuit is good (at least up to the
side tone generator) and I wonder if an intermittent condition with the
modulation transistor could cause distortion. It does seem worst during hot
weather. If anyone has had a similar problem and discovered the cause, would
appreciate hearing from them.
Best Regards
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
Message 5
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--> AeroElectric-List message posted by: "David J. Spencer" <djs@54Transmission.com>
Ed...
Sorry, but I don't have any advice about the technical difficulties.
However, I have dual TXN-960s and am wondering how you got a maintenance
manual? I'd love to have one for my 960s... have the install manual.
David J. Spencer
Super3
djs@54Transmission.com
----- Original Message -----
From: "Ed Anderson" <eanderson@carolina.rr.com>
Subject: AeroElectric-List: Terra 760 D
> --> AeroElectric-List message posted by: "Ed Anderson"
<eanderson@carolina.rr.com>
>
> Hi Bob,
>
> Don't know if you or anyone on the list may be able to help me with my
> problem or not. I have a Terra 760D transceiver. I have always had a
> problem with distortion when transmitting. Sometimes so bad folks
receiving
> can not understand me. At first, I though it might be the high noise
level
> in the cockpit, so got a better noise supression mic and also uphosteried
> the interior to reduce ambient noise. Nothing seemed to solve the
problem.
> There is no static/distortion when receiving and my side tone does not
have
> any distortion. I have had the transceiver in three times to have it
> checked, but you know how an intermittent problem is - never show up in
the
> repair shop. Antenna and Coax has been changed as well.
>
> I finally obtained a maintenance manual and noticed that the sidetone is
> generated one transistor before the modulation transistor. This leads me
to
> assume that the audio portion of the circuit is good (at least up to the
> side tone generator) and I wonder if an intermittent condition with the
> modulation transistor could cause distortion. It does seem worst during
hot
> weather. If anyone has had a similar problem and discovered the cause,
would
> appreciate hearing from them.
>
> Best Regards
>
> Ed Anderson
> RV-6A N494BW Rotary Powered
> Matthews, NC
> eanderson@carolina.rr.com
>
>
Message 6
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| Subject: | Wiring a Velocity - Strobe/Ammeter questions |
--> AeroElectric-List message posted by: Brett Ferrell <bferrell@123mail.net>
Bob/Others -
Just finished reading the 'Connection (many thanks) in preparation for designing/wiring my Velocity XL (www.velocityxl.com) and had a couple of quick (OK, mayber they're not quick, but straightforward at least) questions.
First - I bleieve you recommend attaching both ends of the Whelen strobe shielding
on composites. What's the best way to attach the AL foil, solder wire to
it? I've installed a Molex connector for service at the strake-wing junction,
what kind of connector would you recommend there, another Molex? And finally,
would it be sufficient to put a ring terminal under the mounting screw for the
ground connection at the light fixture, or should I solder the sheild to the
housing, or what?
Second - I'm planning on going all-electric, probably with the Blue Mountain EFIS
and a 20 vac-pad-mounted backup essential load alternator, and was wondering
about placement of the shunt. The Z figure for canards shows it in the battery
ground line to the canard bulkhead, which is were I would like to put it and
measure the current to or from the battery regardless of configuration. The
dual-alt figure shows one shunt for each alternator to measure their individual
currents, with which I'm not postive how I'd tell if the battery were discarging,
and I don't think is relevent if I only use the second alternator in the
event of primary failure. Which setup would you prefer (and why) with my setup?
Thanks.
Brett
Message 7
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| Subject: | sockets for H4351 & H4352 bulbs |
--> AeroElectric-List message posted by: KahnSG@aol.com
The socket for a H4351 bulb is the same as for a H9006 capsule. The part no.
is S-523 in Standard and 85812 in Help/Motormite.
The socket for a H4352 bulb is the same as for a H9005 capsule. The part no.
is 85813 in Help/Motormite. Standard does not lidt one yet.
Steve
Springfield Auto Parts Co., Inc.
Message 8
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--> AeroElectric-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca>
>
> ----- Original Message -----
> From: "Fred Fillinger" <fillinger@ameritech.net>
> To: <europa-list@matronics.com>
> Sent: Sunday, June 22, 2003 10:09 PM
> Subject: Re: Europa-List: LEDs
>
>
> <fillinger@ameritech.net>
Fred,
Quite agree and thanks for filling in some more details. I was
trying not to get too complex first off on the grounds that it was just an
alerting message for those not inclined to research. The main thrust was to
bring attention to the great saving in cost, labour, reliability and
electric power etc. I bought before the superbrights arrived so will 'pulse'
but at a discrete freq. - probably as per Weir's article.
I have opted for yellow light and diffuse heads so hope it will
suffice.
Ferg
Message 9
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| Subject: | LightSpeed wiring |
--> AeroElectric-List message posted by: "Dan Checkoway" <dan@rvproject.com>
Bob & folks,
I'm installing a single LightSpeed Plasma II ignition in my RV-7 (single EI,
single mag), and I'm considering straying slightly from the wiring
installation notes provided with the LSE system.
They recommend wiring directly to and from the battery and using a pullable
breaker. Basically, positive battery terminal direct to a pullable 5A
breaker, then an optional on/off toggle switch, then the brain, then wire
directly to the negative battery terminal. They recommend bypassing busses
in this manner.
Here's what I would *like* to do instead:
- power wired from a 5A fuse on the always-hot battery bus, which is roughly
6" away (plus an inch or three) from the battery (+) terminal
- no pullable circuit breaker, let the 5A fuse do its job
- standard 1-3 ON/OFF toggle switch
- ground wired directly to the 48/24 firewall ground block, which is
connected to the battery via 5" of 2 AWG
Do you see any potential gotchas in straying from LSE's recommendations in
this way? I don't really see the purpose of using a pullable breaker when
you use the optional on/off toggle switch and figure a fuse will do fine. I
have control in normal cases, and the wires are protected. I guess I could
always use a 5A breaker switch, but again I don't really see the point when
a fuse will do the same job cheaper, lighter, etc.
As far as the ground goes, is there any possibility of noise affecting the
LightSpeed when ground is shared with every device in the plane, even when
it's grounded so deliberately close to the battery (but not *quite* to the
negative terminal)?
Thanks,
)_( Dan
RV-7 N714D
http://www.rvproject.com
Message 10
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| Subject: | Re: LightSpeed wiring |
--> AeroElectric-List message posted by: "Matt Prather" <mprather@spro.net>
Hey Dan,
Sounds like you have a good setup in mind. I believe that LSE's design
is motivated by airplanes already having a long row of circuit breakers
across the panel. I think having a fuse at the battery bus, and a simple
switch is entirely appropriate - esp since it sounds like you don't have any
other breakers in the plane (barring one for your alternator). I don't
believe
electronic ignition devices are susceptible to nuisance trips, so that
isn't a
consideration.
I don't think you will have any problems with the grounding scheme that
you have described. I believe many airplanes don't have a single point
ground, much less one connected to the negative side of the battery with
fat cable. If installing an LSE box on an airplane without these design
features, running the ground lead from the unit to the negative battery
terminal would be a good way to go.
Regards,
Matt-
> --> AeroElectric-List message posted by: "Dan Checkoway"
> <dan@rvproject.com>
>
> Bob & folks,
>
> I'm installing a single LightSpeed Plasma II ignition in my RV-7 (single
> EI, single mag), and I'm considering straying slightly from the wiring
> installation notes provided with the LSE system.
>
> They recommend wiring directly to and from the battery and using a
> pullable breaker. Basically, positive battery terminal direct to a
> pullable 5A breaker, then an optional on/off toggle switch, then the
> brain, then wire directly to the negative battery terminal. They
> recommend bypassing busses in this manner.
>
> Here's what I would *like* to do instead:
>
> - power wired from a 5A fuse on the always-hot battery bus, which is
> roughly 6" away (plus an inch or three) from the battery (+) terminal
> - no pullable circuit breaker, let the 5A fuse do its job
> - standard 1-3 ON/OFF toggle switch
> - ground wired directly to the 48/24 firewall ground block, which is
> connected to the battery via 5" of 2 AWG
>
> Do you see any potential gotchas in straying from LSE's recommendations
> in this way? I don't really see the purpose of using a pullable breaker
> when you use the optional on/off toggle switch and figure a fuse will do
> fine. I have control in normal cases, and the wires are protected. I
> guess I could always use a 5A breaker switch, but again I don't really
> see the point when a fuse will do the same job cheaper, lighter, etc.
>
> As far as the ground goes, is there any possibility of noise affecting
> the LightSpeed when ground is shared with every device in the plane,
> even when it's grounded so deliberately close to the battery (but not
> *quite* to the negative terminal)?
>
> Thanks,
> )_( Dan
> RV-7 N714D
> http://www.rvproject.com
>
Message 11
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--> AeroElectric-List message posted by: "Ed Anderson" <eanderson@carolina.rr.com>
----- Original Message -----
From: "David J. Spencer" <djs@54Transmission.com>
Subject: Re: AeroElectric-List: Terra 760 D
> --> AeroElectric-List message posted by: "David J. Spencer"
<djs@54Transmission.com>
>
> Ed...
>
> Sorry, but I don't have any advice about the technical difficulties.
>
> However, I have dual TXN-960s and am wondering how you got a maintenance
> manual? I'd love to have one for my 960s... have the install manual.
>
> David J. Spencer
> Super3
> djs@54Transmission.com
David, I just went back and checked and the website that has some of the
Terra Maintenance manual apparently they only have the more recent "digital"
systems. I am sorry to say, your receiver is not listed.
Ed Anderson
eanderson@carolina.rr.com
Message 12
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| Subject: | RG-142 and RG-400 |
--> AeroElectric-List message posted by: BAKEROCB@aol.com
Previously From: "Wayne Sweet" <wsweet@attbi.com> Subject: Coaxial cables
<<The Chief Aircraft catalog has 3 different types of coaxial cable: RG-58
(50 ohm),
RG-142 (low loss for DME/TPX/GPS) and RG-400(low loss for GPS). I have used
only the multi-stranded RG58 in my homebuilt for all the radios, not knowing
about the other two. Why the other two??? Wayne>>
6/23/2003
Hello Wayne, If you are interested in learning a bit more about these two
high performance coaxial cables you can go to the web site below.
<<http://www.thermaxcdt.com/>> and look at the MIL-C-17 coaxial cable.
There may be other companies besides Thermax/CDT that makes these two cables
(Belden lists only RG -142 in their catalog), but Thermax's are the only ones
that I have seen.
The difference between the two is that RG-400 has the multi stranded core and
the RG-142 has the solid core. (Belden says their core is silver coated,
copper covered steel !!) There are people who feel that the multi stranded core
is
a must for aircraft use because it will withstand vibration better.
I am more inclined to use the RG-142 and ensure that the cable is properly
supported, particularly where it enters the back of the avionics rack. The multi
stranded is a bit more flexible than the solid core, but the solid core is
extremely easy to strip (don't nick it) and a delight to insert into the
connector pin or socket and crimp.
'OC' Baker, Builder of KIS TR-1 #116 4/14/97 - ?/?/?
PS: The Belden web site has a lot of general cable information of interest.
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