Today's Message Index:
----------------------
1. 05:40 AM - Re: EL lighting (Eric M. Jones)
2. 06:38 AM - Re: Re: EL lighting (richard dudley)
3. 06:40 AM - Icom wiring diagram ()
4. 06:46 AM - Re: Re: EL lighting (Fiveonepw@aol.com)
5. 08:07 AM - Dancing Ammeter (Metcalfe, Lee, AIR)
6. 08:32 AM - starter relay testing (Bob Bittner)
7. 08:41 AM - (loflinj@comcast.net)
8. 08:56 AM - Re: starter relay testing (Dale Martin)
9. 09:01 AM - Re: Dancing Ammeter (Metcalfe, Lee, AIR)
10. 09:16 AM - Re: starter relay testing (Matt Prather)
11. 09:18 AM - Re: (Bruce Gray)
12. 09:23 AM - Re: starter relay testing (Bob Bittner)
13. 09:24 AM - Re: rocker switches (Carlos Sa)
14. 09:26 AM - Re: starter relay testing (Scott Bilinski)
15. 09:26 AM - Re: (Randy Pflanzer)
16. 09:43 AM - Re: Dancing Ammeter (Trampas)
17. 09:58 AM - Re: breakers? (thomas.a.dollmeyer@Cummins.com)
18. 10:20 AM - Re: Re: (John Schroeder)
19. 10:20 AM - Re: Icom wiring diagram (Jeff Orear)
20. 10:26 AM - Subject: EL lighting. (Jim Butcher)
21. 10:34 AM - Re: Dancing Ammeter (Rhett Westerman)
22. 10:47 AM - Re: Re: (Bruce Gray)
23. 01:06 PM - Re: starter relay testing (Benford2@aol.com)
24. 01:19 PM - Re: Re: EL lighting (Chad Robinson)
25. 02:36 PM - Re: (George Bass)
26. 03:03 PM - AeroElectric-List (Rino Lacombe)
27. 04:50 PM - Re: apology (George Bass)
28. 06:15 PM - Re: Re: apology (Chad Robinson)
29. 07:40 PM - Re: AeroElectric-List (Jeff Point)
30. 08:00 PM - Garmin 340 Audio panel question (N566u@aol.com)
31. 08:54 PM - Re: starter relay testing (Robert McCallum)
Message 1
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--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
Question for EL Lighting users---
I have always presumed that inverters were electrically noisy and thus EL
lighting might lead to some interference.
Does anyone have experience with this?
Regards,
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge MA 01550-2705
Phone (508) 764-2072
Email: emjones@charter.net
"Everything you've learned in school as "obvious" becomes
less and less obvious as you begin to study the universe.
For example, there are no solids in the universe. There's
not even a suggestion of a solid. There are no absolute con-
tinuums. There are no surfaces. There are no straight lines."
- R. Buckminster Fuller
Message 2
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| Subject: | Re: RE: EL lighting |
--> AeroElectric-List message posted by: richard dudley <rhdudley@att.net>
Eric,
I have installed EL lighting under my glareshield. Thuough I have not
yet flown I have tested it with my two navcoms also installed. With
squelch open, there is no noise from the EL. The power from the inverter
is supposedly a 400 Hz square wave.
Regards,
Richard Dudley
-6A paint prep
Eric M. Jones wrote:
>--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
>
> Question for EL Lighting users---
>
>I have always presumed that inverters were electrically noisy and thus EL
>lighting might lead to some interference.
>
>Does anyone have experience with this?
>
>Regards,
>Eric M. Jones
>www.PerihelionDesign.com
>113 Brentwood Drive
>Southbridge MA 01550-2705
>Phone (508) 764-2072
>Email: emjones@charter.net
>
>"Everything you've learned in school as "obvious" becomes
>less and less obvious as you begin to study the universe.
>For example, there are no solids in the universe. There's
>not even a suggestion of a solid. There are no absolute con-
>tinuums. There are no surfaces. There are no straight lines."
>
> - R. Buckminster Fuller
>
>
>
>
Message 3
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| Subject: | Icom wiring diagram |
--> AeroElectric-List message posted by: <EricHe@FlexSolPackaging.com>
Hi All,
I'm getting ready to wire an Icom A200 to a PS engineering PM3000, does anyone
have a schematic whipped up for this instillation? Thought it might be worth asking.
Thanks
Eric
Message 4
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| Subject: | Re: RE: EL lighting |
--> AeroElectric-List message posted by: Fiveonepw@aol.com
In a message dated 3/19/04 7:41:33 AM Central Standard Time,
emjones@charter.net writes:
> I have always presumed that inverters were electrically noisy and thus EL
> lighting might lead to some interference.
I was told the same for using PWM for dimming- ain't heard nuthin' yet...
Mark Phillips -6A FLYING!
Message 5
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--> AeroElectric-List message posted by: "Metcalfe, Lee, AIR" <Lee.Metcalfe@jocogov.org>
My flying Lancair 320 has 517 hrs. TT. Within the last few hours of
flying, the ammeter has begun a rhythmic wiggle at about 1.5 cycles per
second with about a 10 amp amplitude. Occasionally the amplitude will
go full scale with no apparent triggering event. Adding load just moves
the range of the wiggle further up the scale. The frequency of the
wiggle is independent of engine RPM. It's the same at idle as at full
tilt boogie. I have pulled the alternator (generic automotive type,
externally regulated) and had it tested. No problems. I have checked,
cleaned and tightened all connections in the
alternator/regulator/battery circuits. I'm now down to either the
regulator or the meter being bad. The meter is one of those combined
ammeter/voltmeter jobbies where it normally shows amps and you push a
button for volts. The ammeter is shunted from the B lead, which goes
through a 35-amp breaker to the main bus. The voltage indication is
rock steady and agrees with the digital voltage shown in my EDM-700.
The battery (Odyssey PC925) seems to be being charged normally. The
regulator is a generic automotive type and is the original installation
(517 hrs.). It is mounted on the engine side of the firewall in a very
difficult place to get to (I didn't build my plane). Changing it is
going to be a major pain. That's why I wanted to get y'all's feedback
before attacking the regulator.
Any suggestions for further troubleshooting? I have a digital
multimeter but don't know how to use it to diagnose this situation.
Lee Metcalfe
N320WH - Kansas City
Message 6
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| Subject: | starter relay testing |
03/19/2004 10:32:17 AM,
Serialize complete at 03/19/2004 10:32:17 AM
--> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
I have a starter relay/solenoid from Aircraft Spruce, and I'm wondering if
there's more to the these things than I thought. In a bench test,
applying 12V from my battery to the front 2 small terminals yields no
response. There is no continuity between these terminals. I wired it up
as expected, and it doesn't do anything when switched on. It's not hooked
to the starter motor, so on the output a 12V, 1A fan (for some load). .
The reason I'm asking is because the first one I got from them had the
same inoperative characteristics, and this one's a replacement. Shouldn't
I be able to measure some resistance across the coil? For example, on the
one they sent me for a master relay, there's 15ohms of resistance, which
seems ok, but more draw than I'd like. Did I just get 2 bad ones, or am I
missing something?
Thanks.
Message 7
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--> AeroElectric-List message posted by: loflinj@comcast.net
Hi all,
I'm looking for a source of backlit engraved rocker switches. Only source I
have found is from Lancair and they are a little $pendy at $30.00 a pop. I
also found a few from Chief, but they don't have the particular wording I'm
looking for.
Thanks,
-Jack
Message 8
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| Subject: | Re: starter relay testing |
--> AeroElectric-List message posted by: "Dale Martin" <niceez@cableone.net>
Your doing it wrong.....
I am sure Bob will respond..
Dale Martin
Lewiston, ID
LEZ-235
----- Original Message -----
From: "Bob Bittner" <rbittner@us.ibm.com>
Subject: AeroElectric-List: starter relay testing
> --> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>
> I have a starter relay/solenoid from Aircraft Spruce, and I'm wondering if
> there's more to the these things than I thought. In a bench test,
> applying 12V from my battery to the front 2 small terminals yields no
> response. There is no continuity between these terminals. I wired it up
> as expected, and it doesn't do anything when switched on. It's not hooked
> to the starter motor, so on the output a 12V, 1A fan (for some load). .
> The reason I'm asking is because the first one I got from them had the
> same inoperative characteristics, and this one's a replacement. Shouldn't
> I be able to measure some resistance across the coil? For example, on the
> one they sent me for a master relay, there's 15ohms of resistance, which
> seems ok, but more draw than I'd like. Did I just get 2 bad ones, or am I
> missing something?
> Thanks.
>
>
Message 9
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--> AeroElectric-List message posted by: "Metcalfe, Lee, AIR" <Lee.Metcalfe@jocogov.org>
I should have mentioned that I have tried isolating the various loads on
the bus to see if one of them is responsible for the wiggle. The wiggle
is there independent of what loads are on the bus and is even present
with no loads (that I am aware of) on the bus.
Lee
Message 10
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| Subject: | Re: starter relay testing |
--> AeroElectric-List message posted by: "Matt Prather" <mprather@spro.net>
Did you check for resistance between the each terminal and the case
(ground)?
Regards,
Matt-
N34RD
> --> AeroElectric-List message posted by: Bob Bittner
> <rbittner@us.ibm.com>
>
> I have a starter relay/solenoid from Aircraft Spruce, and I'm wondering
> if there's more to the these things than I thought. In a bench test,
> applying 12V from my battery to the front 2 small terminals yields no
> response. There is no continuity between these terminals. I wired it up
> as expected, and it doesn't do anything when switched on. It's not
> hooked to the starter motor, so on the output a 12V, 1A fan (for some
> load). . The reason I'm asking is because the first one I got from them
> had the same inoperative characteristics, and this one's a replacement.
> Shouldn't I be able to measure some resistance across the coil? For
> example, on the one they sent me for a master relay, there's 15ohms of
> resistance, which seems ok, but more draw than I'd like. Did I just get
> 2 bad ones, or am I missing something?
> Thanks.
>
>
Message 11
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--> AeroElectric-List message posted by: "Bruce Gray" <Bruce@glasair.org>
AML34 series from Honeywell, I bought mine from Peerless Electronics,
$20 a pop, 10 week lead time. Had the engraving done by
www.engravers.net.
FMI, http://peerlesselectronics.com/ and
http://content.honeywell.com/sensing/prodinfo/manual/catalog/c30035.pdf
Bruce
www.glasair.org
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
loflinj@comcast.net
Subject:
--> AeroElectric-List message posted by: loflinj@comcast.net
Hi all,
I'm looking for a source of backlit engraved rocker switches. Only
source I
have found is from Lancair and they are a little $pendy at $30.00 a
pop. I
also found a few from Chief, but they don't have the particular wording
I'm
looking for.
Thanks,
-Jack
==
==
==
==
Message 12
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| Subject: | Re: starter relay testing |
03/19/2004 11:23:04 AM,
Serialize complete at 03/19/2004 11:23:04 AM
--> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>Did you check for resistance between the each terminal and the case
>(ground)?
>
>
>> I have a starter relay/solenoid from Aircraft Spruce, and I'm
wondering...
There is continuity between the mounting bracket (ground) and the right
terminal. There's a tag on the left terminal that says not to use this
terminal if the original had only 3, so I'm assuming this is supposed to
be connected to the big input terminal inside. It's not.
Thanks.
Message 13
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| Subject: | Re: rocker switches |
--> AeroElectric-List message posted by: Carlos Sa <carlosfsa@yahoo.com>
You could try the following:
www.cmsquick.com
http://www.nkkswitches.com/switchcategory.asp?S3=2 or http://www.nkkswitches.com
http://wesgarde.com/linecard.shtml
http://www.engravers.net/main/ac_products.htm
http://www.aircraftsimulators.com/products.html
Good luck
Carlos
> I'm looking for a source of backlit engraved rocker switches. Only source I
> have found is from Lancair and they are a little $pendy at $30.00 a pop. I
> also found a few from Chief, but they don't have the particular wording I'm
> looking for.
Message 14
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| Subject: | Re: starter relay testing |
--> AeroElectric-List message posted by: Scott Bilinski <bilinski@kyocera-wireless.com>
One of those terminals is not used or does nothing...........if memory serves.
At 08:56 AM 3/19/04 -0800, you wrote:
>--> AeroElectric-List message posted by: "Dale Martin" <niceez@cableone.net>
>
>Your doing it wrong.....
>
>I am sure Bob will respond..
>
>Dale Martin
>Lewiston, ID
>LEZ-235
>
>----- Original Message -----
>From: "Bob Bittner" <rbittner@us.ibm.com>
>To: <aeroelectric-list@matronics.com>
>Subject: AeroElectric-List: starter relay testing
>
>
>> --> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>>
>> I have a starter relay/solenoid from Aircraft Spruce, and I'm wondering if
>> there's more to the these things than I thought. In a bench test,
>> applying 12V from my battery to the front 2 small terminals yields no
>> response. There is no continuity between these terminals. I wired it up
>> as expected, and it doesn't do anything when switched on. It's not hooked
>> to the starter motor, so on the output a 12V, 1A fan (for some load). .
>> The reason I'm asking is because the first one I got from them had the
>> same inoperative characteristics, and this one's a replacement. Shouldn't
>> I be able to measure some resistance across the coil? For example, on the
>> one they sent me for a master relay, there's 15ohms of resistance, which
>> seems ok, but more draw than I'd like. Did I just get 2 bad ones, or am I
>> missing something?
>> Thanks.
>>
>>
>
>
Scott Bilinski
Eng dept 305
Phone (858) 657-2536
Pager (858) 502-5190
Message 15
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--> AeroElectric-List message posted by: "Randy Pflanzer" <f1rocket@comcast.net>
You can order these from Pacific Coast Avionics for $40 apiece. Custom
wording costs $10 extra. They are on Page 61 of their online catalog.
http://www.pacific-coast-avionics.com/. I used them on my RV-6.
Randy
F1 Rocket
http://f1rocket.home.comcast.net/
----- Original Message -----
From: <loflinj@comcast.net>
> --> AeroElectric-List message posted by: loflinj@comcast.net
>
> Hi all,
>
> I'm looking for a source of backlit engraved rocker switches. Only source
I
> have found is from Lancair and they are a little $pendy at $30.00 a pop.
I
> also found a few from Chief, but they don't have the particular wording
I'm
> looking for.
>
> Thanks,
>
> -Jack
>
>
Message 16
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--> AeroElectric-List message posted by: "Trampas" <tstern@nc.rr.com>
I have an engine monitor connected to my car and I have noticed something
similar. That is the current jumps. My variation is about 4 amps, I
contributed the amount due to the lack of damping on the regulator's voltage
sense pin. That is the regulator turns on, the voltage goes high, regulator
turns off voltage goes low, and repeats. I only notice this effect when the
battery is close to fully charged.
Since your problem has not always been there I would suggest you check the
ground on the regulator, the voltage sense lead and the grounds to
alternator. If problems still exist try measuring the voltage across the
current shunt using a multimeter to see if the current is really jumping.
Regards,
Trampas
www.sterntech.com
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Metcalfe,
Lee, AIR
Subject: RE: AeroElectric-List: Dancing Ammeter
--> AeroElectric-List message posted by: "Metcalfe, Lee, AIR"
<Lee.Metcalfe@jocogov.org>
I should have mentioned that I have tried isolating the various loads on
the bus to see if one of them is responsible for the wiggle. The wiggle
is there independent of what loads are on the bus and is even present
with no loads (that I am aware of) on the bus.
Lee
Message 17
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<OF986ABDB3.2AD5518B-ON05256E5C.0060A6BC-05256E5C.0062B91E@cidc.cummins.com>
cidcn00015.cidc.cummins.com/G/Cummins(Release 5.0.11 |July 24,
2002) at 03/19/2004 01":OF986ABDB3.2AD5518B-ON05256E5C.0060A6BC-05256E5C.0062B91,
Serialize complete at 03/19/2004 01:01:17.PM@matronics.com
--> AeroElectric-List message posted by: thomas.a.dollmeyer@Cummins.com
Troy, my electronic ignition is direct, no breaker. For power I have the
alternator field on a breaker and the ground power on a switch/breaker.
UPSAT calls for a breaker for the SL70R, and it is pulled during system
checkout during install and during transponder/encoder calibration. They
also require a 'manually pullable circuit breaker' for the two power
lines to the CNX80. I'm not sure why, but I may yet discover a service
procedure that uses them, so I followed along. TruTrak also asked for a
pullable breaker on the autopilot, and since that adds an additional means
for shutting it down, I put that breaker in as well.
My 'breakerless' aircraft now has breakers for: alternator field; CNX80
Nav; CNX80 Com; Transponder; Autopilot and Ground Power(switch/breaker).
Tom Dollmeyer
Glasair SuperII FT
Message 18
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--> AeroElectric-List message posted by: John Schroeder <jschroeder@perigee.net>
Bruce -
Did that $20 each include the bezel and cover? Did they have to special
order the can/holder combination you wanted? What was it and also the cost?
These Honeywell pieces are still the best, but it all adds up when you put
all the pieces together.
Thanks
John
On Fri, 19 Mar 2004 12:18:04 -0500, Bruce Gray <Bruce@glasair.org> wrote:
> --> AeroElectric-List message posted by: "Bruce Gray" <Bruce@glasair.org>
>
> AML34 series from Honeywell, I bought mine from Peerless Electronics,
> $20 a pop, 10 week lead time. Had the engraving done by
> www.engravers.net.
>
> FMI, http://peerlesselectronics.com/ and
> http://content.honeywell.com/sensing/prodinfo/manual/catalog/c30035.pdf
>
> Bruce
> www.glasair.org
>
>
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
> loflinj@comcast.net
> To: aeroelectric-list@matronics.com
> Subject:
>
>
> --> AeroElectric-List message posted by: loflinj@comcast.net
>
> Hi all,
>
> I'm looking for a source of backlit engraved rocker switches. Only
> source I
> have found is from Lancair and they are a little $pendy at $30.00 a
> pop. I
> also found a few from Chief, but they don't have the particular wording
> I'm
> looking for.
>
> Thanks,
>
> -Jack
>
>
> ==
> ==
> ==
> ==
>
>
--
Message 19
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| Subject: | Re: Icom wiring diagram |
--> AeroElectric-List message posted by: "Jeff Orear" <jorear@new.rr.com>
Hi Eric:
I am in the process of wiring my A200 to a PS Engineering PMA 4000. I can
share with you how I *think* I have it figured out. Email me off list if
you would like to see my configuration
Regards,
Jeff Orear
RV6A
panel
Peshtigo, WI
----- Original Message -----
From: <EricHe@FlexSolPackaging.com>
Subject: AeroElectric-List: Icom wiring diagram
> --> AeroElectric-List message posted by: <EricHe@FlexSolPackaging.com>
>
> Hi All,
>
> I'm getting ready to wire an Icom A200 to a PS engineering PM3000, does
anyone have a schematic whipped up for this instillation? Thought it might
be worth asking.
>
> Thanks
>
> Eric
>
>
Message 20
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--> AeroElectric-List message posted by: "Jim Butcher" <europa@triton.net>
You wrote
I've just received a strip of EL tape and an inverter. Can anyone tell me
how
> I cut this, (scissors?), and then connect the cut piece to the inverter in
addition
> to the main section with its pigtail?
Rob,
You just cut the EL strip with scissors or exacto knife. You can cut holes
of the material. Connect the two sides to the power source (its like a
capacitor with luminenscent material as the dielectric) and it all should
illuminate. You also should seal the cut edge since moisture will migrate
and destroy the lamp. Clear scotch tape works ok.
Jim Butcher
Europa N241BW
Message 21
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--> AeroElectric-List message posted by: "Rhett Westerman" <Rhettwesterman@cox.net>
Your problem is some added resistance between the main bus and the voltage
regulator. Track through this circuit and locate the culprit. It should be
at some connection point in between these two locations.
best,
Rhett
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of
Metcalfe, Lee, AIR
Subject: AeroElectric-List: Dancing Ammeter
--> AeroElectric-List message posted by: "Metcalfe, Lee, AIR"
<Lee.Metcalfe@jocogov.org>
My flying Lancair 320 has 517 hrs. TT. Within the last few hours of
flying, the ammeter has begun a rhythmic wiggle at about 1.5 cycles per
second with about a 10 amp amplitude. Occasionally the amplitude will
go full scale with no apparent triggering event. Adding load just moves
the range of the wiggle further up the scale. The frequency of the
wiggle is independent of engine RPM. It's the same at idle as at full
tilt boogie. I have pulled the alternator (generic automotive type,
externally regulated) and had it tested. No problems. I have checked,
cleaned and tightened all connections in the
alternator/regulator/battery circuits. I'm now down to either the
regulator or the meter being bad. The meter is one of those combined
ammeter/voltmeter jobbies where it normally shows amps and you push a
button for volts. The ammeter is shunted from the B lead, which goes
through a 35-amp breaker to the main bus. The voltage indication is
rock steady and agrees with the digital voltage shown in my EDM-700.
The battery (Odyssey PC925) seems to be being charged normally. The
regulator is a generic automotive type and is the original installation
(517 hrs.). It is mounted on the engine side of the firewall in a very
difficult place to get to (I didn't build my plane). Changing it is
going to be a major pain. That's why I wanted to get y'all's feedback
before attacking the regulator.
Any suggestions for further troubleshooting? I have a digital
multimeter but don't know how to use it to diagnose this situation.
Lee Metcalfe
N320WH - Kansas City
Message 22
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--> AeroElectric-List message posted by: "Bruce Gray" <Bruce@glasair.org>
My AML's (AML34FBE4AA01) were $12.57 for the whole thing - bezel, cap
and 28v bulb. You will also need AML61 mounting strips if you're
mounting through anything other than metal. But they're cheap.
This purchase was made in 8/00 so prices may have gone up.
Bruce
www.glasair.org
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Schroeder
Subject: Re: AeroElectric-List: RE:
--> AeroElectric-List message posted by: John Schroeder
<jschroeder@perigee.net>
Bruce -
Did that $20 each include the bezel and cover? Did they have to special
order the can/holder combination you wanted? What was it and also the
cost?
These Honeywell pieces are still the best, but it all adds up when you
put
all the pieces together.
Thanks
John
On Fri, 19 Mar 2004 12:18:04 -0500, Bruce Gray <Bruce@glasair.org>
wrote:
> --> AeroElectric-List message posted by: "Bruce Gray"
<Bruce@glasair.org>
>
> AML34 series from Honeywell, I bought mine from Peerless Electronics,
> $20 a pop, 10 week lead time. Had the engraving done by
> www.engravers.net.
>
> FMI, http://peerlesselectronics.com/ and
>
http://content.honeywell.com/sensing/prodinfo/manual/catalog/c30035.pdf
>
> Bruce
> www.glasair.org
>
>
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
> loflinj@comcast.net
> To: aeroelectric-list@matronics.com
> Subject:
>
>
> --> AeroElectric-List message posted by: loflinj@comcast.net
>
> Hi all,
>
> I'm looking for a source of backlit engraved rocker switches. Only
> source I
> have found is from Lancair and they are a little $pendy at $30.00 a
> pop. I
> also found a few from Chief, but they don't have the particular
wording
> I'm
> looking for.
>
> Thanks,
>
> -Jack
>
>
> ==
> ==
> ==
> ==
>
>
--
==
==
==
==
Message 23
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| Subject: | Re: starter relay testing |
--> AeroElectric-List message posted by: Benford2@aol.com
In a message dated 3/19/2004 9:33:22 AM Mountain Standard Time,
rbittner@us.ibm.com writes:
> relay/solenoid from Aircraft Spruce, and I'm wondering if
> there's more to the these things than I thought. In a bench test,
> applying 12V from my battery to the front 2 small terminals yields no
> response. There is no continuity between these terminals. I wired it up
> as expected, and it doesn't do anything when switched on. It's not hooked
> to the starter motor, so on the output a 12V, 1A fan (for some load). .
> The reason I'm asking is because the first one I got from them had the
> same inoperative characteristics, and this one's a replacement. Shouldn't
> I be able to measure some resistance across the coil? For example, on the
> one they sent me for a master relay, there's 15ohms of resistance, which
> seems ok, but more draw than I'd like. Did I just get 2 bad ones, or am I
> missing something?
> Thanks.
>
>
You did ground the body if it????
Message 24
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| Subject: | Re: RE: EL lighting |
--> AeroElectric-List message posted by: Chad Robinson <crobinson@rfgonline.com>
Eric M. Jones wrote:
> --> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
>
> Question for EL Lighting users---
>
> I have always presumed that inverters were electrically noisy and thus EL
> lighting might lead to some interference.
>
> Does anyone have experience with this?
EL inverters CAN be noisy but don't have to be. I have two, on in an MP3
player and one in a clock, that you can audibly HEAR if you hold it up to your
ear. But I also have one on an LCD panel that is completely silent.
EL panels use very little current (I have a night light advertised as 0.4W)
and higher current conductors are bigger potential noise sources. A poor
inverter design can also put back onto the power supply feed but since it's a
single frequency you could use a choke or notch filter at that frequency if
this happened to get rid of it. Quality varies. If your inverter is noisy just
try another. Most aren't that expensive, and you could build one cheaper than
you could fix a problem.
Regards,
Chad
Message 25
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--> AeroElectric-List message posted by: "George Bass" <gtb@commspeed.net>
1.) AML34 series from Honeywell, I bought mine from Peerless Electronics,
$20 a pop, 10 week lead time. Had the engraving done by
www.engravers.net.
FMI, http://peerlesselectronics.com/ and
http://content.honeywell.com/sensing/prodinfo/manual/catalog/c30035.pdf
AML's (AML34FBE4AA01) were $12.57 for the whole thing - bezel, cap
and 28v bulb. You will also need AML61 mounting strips if you're
mounting through anything other than metal. But they're cheap.
2.) www.cmsquick.com
http://www.nkkswitches.com/switchcategory.asp?S3=2 or,
http://www.nkkswitches.com
http://wesgarde.com/linecard.shtml
http://www.engravers.net/main/ac_products.htm
http://www.aircraftsimulators.com/products.html
3.) Electronic Technologies... www.electronictechnologies.net
etech@ucnsb.net and had the engraving done up in New England
4.) Carling Technoligies switches L14E1 15A 12V
5.) Check out this Veloctiy XL's overhead switch panel:
http://www.velocityxl.com/Electrical.htm#Chapter
13.3.4 - Switches and Circuit Protection
6.) Few manufacturers supply the full range of switching functions in
rockers. Microswitch is one. Here's an exemplar switch w/functions
like our 2-10 toggle switch:
http://www.aeroelectric.com/temp/2tp12-10.pdf
You can get clear and translucent operators that
can be engraved and illuminated from the rear. These
are popular with Lancair and Glasair builders.
Expect to pay quite a bit for these and to have to
special order some functions.
Bob Nuckolls
If this is not enough information, please let me know & I'll do a
larger search on the 'net' for any other available items that might
be more to your needs.
George
---
Message 26
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| Subject: | AeroElectric-List |
--> AeroElectric-List message posted by: "Rino Lacombe" <lacombr@nbnet.nb.ca>
Anyone know the Radio Shack # for the inductro used to filter noisy devices.
I have a Turn Coordinator that has to be silenced
Thanks
Rino
Message 27
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--> AeroElectric-List message posted by: "George Bass" <gtb@commspeed.net>
Sorry for that last post, as it was supposed
to go to an individual and not the list.
It is merely a compilation of other posts here
that someone had asked me for.
George
---
Message 28
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--> AeroElectric-List message posted by: Chad Robinson <crobinson@rfgonline.com>
George Bass wrote:
> --> AeroElectric-List message posted by: "George Bass" <gtb@commspeed.net>
>
> Sorry for that last post, as it was supposed
> to go to an individual and not the list.
>
> It is merely a compilation of other posts here
> that someone had asked me for.
Don't apologize, George. =) You just let me rip out six messages from my
"Saved" folder and replace them with a single, nicely condensed version!
Regards,
Chad
Message 29
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| Subject: | Re: AeroElectric-List |
--> AeroElectric-List message posted by: Jeff Point <jpoint@mindspring.com>
270-030.
Here's a link to Bob's how-to.
http://www.aeroelectric.com/articles/filter/filter.html
Jeff Point
Rino Lacombe wrote:
>--> AeroElectric-List message posted by: "Rino Lacombe" <lacombr@nbnet.nb.ca>
>
>Anyone know the Radio Shack # for the inductro used to filter noisy devices.
>I have a Turn Coordinator that has to be silenced
>
>Thanks
>
>Rino
>
>
>
>
Message 30
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| Subject: | Garmin 340 Audio panel question |
--> AeroElectric-List message posted by: N566u@aol.com
Hi Bob
Hope you can help me. I am in the final stages of putting my RV 8A together,
and today I attached my left wing to the fuselage. I ran the RG 400 cable from
the marker beacon antenna in the wing tip to the rear of the panel and
discovered that the audio panel (GMA 340) which has a marker beacon receiver, has
no
co-ax connector for the antenna. I checked the diagram for the two plugs and
found P1 lists pin 1 and 2 as the inputs for the marker beacon antenna.
My question is, how do I connect the RG 400 to the D Sub plug?
Ron Smith
N566U Rv-8A
getting close to the end!
Message 31
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| Subject: | Re: starter relay testing |
--> AeroElectric-List message posted by: Robert McCallum <robert.mccallum2@sympatico.ca>
Hi Bob ;
I'm afraid that, yes, you're missing something and probably didn't get
any "bad ones". Most starter solenoids have two "big" terminals which
carry the heavy battery current to the starter motor. One goes to the
battery (or battery contactor) the other goes to the starter. It doesn't
normally matter which is which, they are interchangeable. Many also have
two "small" terminals as is the case with the one you describe. Many
times the ones with two small terminals are automotive starter
solenoids. One of the small terminals is connected to the solenoid
winding while the other end of the winding is almost always connected to
ground. (in other words the "frame" of the solenoid) In order to
energize the solenoid you must connect power between the correct small
terminal and ground of the solenoid. (its frame) The other small
terminal is used in the automotive application to bypass the ignition
ballast resistor in order to increase spark intensity for starting. In
an aircraft application this terminal is normally not used , but could,
if desired, be employed to power a "starter engaged" light. It will
become "live" when the solenoid is engaged. In starter solenoids with
only one small terminal the other side of the winding is also grounded
to the solenoid frame and thus the frame becomes one side of the
electrical circuit in these types also. You can experiment safely to
determine which is the "correct" small terminal by grounding the
solenoid frame to your negative battery terminal and then connecting the
positive battery terminal to one of the small terminals. The correct
one will cause the solenoid to engage with an audible snap, the
incorrect one will do nothing. The fan motor "load" you describe will
"test" the large contacts for you as you intended. You can measure the
coil resistance with your ohm meter but the coil is connected between
one of the small terminals and ground not between the two small
terminals. The test results you describe sound correct, the results you
are getting are exactly as they should be, and I suspect your solenoid
is probably working perfectly when properly connected.
Bob McC
Bob Bittner wrote:
>--> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>
>I have a starter relay/solenoid from Aircraft Spruce, and I'm wondering if
>there's more to the these things than I thought. In a bench test,
>applying 12V from my battery to the front 2 small terminals yields no
>response. There is no continuity between these terminals. I wired it up
>as expected, and it doesn't do anything when switched on. It's not hooked
>to the starter motor, so on the output a 12V, 1A fan (for some load). .
>The reason I'm asking is because the first one I got from them had the
>same inoperative characteristics, and this one's a replacement. Shouldn't
>I be able to measure some resistance across the coil? For example, on the
>one they sent me for a master relay, there's 15ohms of resistance, which
>seems ok, but more draw than I'd like. Did I just get 2 bad ones, or am I
>missing something?
>Thanks.
>
>
>
>
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