Today's Message Index:
----------------------
1. 06:14 AM - Re: Best LED color for preserving night vision (John Rourke)
2. 07:31 AM - Re: Fuse reccomendation (Robert L. Nuckolls, III)
3. 07:33 AM - Order processing system on the fritz (Robert L. Nuckolls, III)
4. 07:44 AM - Autocad LT (N823ms@aol.com)
5. 09:11 AM - Re: Autocad LT (Robert L. Nuckolls, III)
6. 09:29 AM - Re: Re: Facet Electric fuel pump ? (Robert L. Nuckolls, III)
7. 09:34 AM - Re: EXPBUS (Robert L. Nuckolls, III)
8. 09:38 AM - Re: ABMM (Robert L. Nuckolls, III)
9. 11:17 AM - parallel resistor for LED used with LR-3? (czechsix@juno.com)
10. 11:48 AM - Lonestar Mag Filter - Success (Matt Prather)
11. 12:00 PM - Re: Best LED color for preserving night (Mark Steitle)
12. 04:31 PM - Garmin 196 (David.vonLinsowe)
13. 04:51 PM - Re: parallel resistor for LED used with (Robert L. Nuckolls, III)
14. 05:41 PM - Re: Re: Facet Electric fuel pump ? (kc)
15. 06:02 PM - Garmin 196 (Benford2@aol.com)
16. 08:03 PM - Starter solenoid (Michel Therrien)
17. 10:43 PM - Re: Re: Facet Electric fuel pump ? (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: Best LED color for preserving night vision |
--> AeroElectric-List message posted by: John Rourke <jrourke@allied-computer.com>
I'm checking... I can't find my receipt, and this link isn't where I
bought it from, but it looks like the same thing and I think has the
same part number - but I didn't pay as much for it (and I know there
were several models with various combinations of color/quantity of LEDs):
http://www.cetsolar.com/3ledcabin.htm
I'll look for the receipt when I get back to the hangar next week - but
in any event, I think I'll end up modifying it so much (or destroying it
in the process) that I should probably just make my own - all I really
need is the swivel mount (gooseneck was the wrong word)
-John R.
John Schroeder wrote:
> --> AeroElectric-List message posted by: John Schroeder <jschroeder@perigee.net>
>
> John R.
>
> Where did you get the 6 LED gooseneck light?
>
> Thanks,
>
> John
>
>
>>I bought one of those LED gooseneck lights with 6 LEDs in it
>
>
>
>
>
>
>
>
>
Message 2
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| Subject: | Re: Fuse reccomendation |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 04:33 PM 2/9/2003 -0600, you wrote:
>--> AeroElectric-List message posted by: "Sam Hoskins"
><shoskins@globaleyes.net>
>
>Ok, I see that. I was already considering a fuselink, but some or your
>writings (page 10-4)seemed to discourage them in the current ranges we are
>talking about here. Re-reading it, I see you addressed PM alternators.
>
>While I'm looking at Z-16 - what is the purpose of the 22AWG fuselink in
>series with the 5a breaker? Isn't that redundent redundent?
Fuseblock (and bus) may be mounted somewhat remotely
from the panel and the 5A field breaker. If you EXTEND
the bus with a wire up to the breaker, it should be
protected. If you use a FUSE in the fuse block, then
because of the much faster response time of a fuse, a
15A fuse might open faster than a 5A breaker . . . so
we use a fusible link with a time constant that is
greater than a breaker to protect that wire segment.
Bob . . .
Message 3
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| Subject: | Order processing system on the fritz |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
The website's order-form program was down from February 1
through February 9. If you placed an order within this
interval and received a copy of it via your e-mail,
check the serial number of the order in the subject
line of the echo. We've lost serials 870 through 921.
If your order fell within this group -OR- if you placed
and order and did NOT receive an e-mail copy, please
do us the kindness of re-entering your order now. If
you have any questions, please call Bob at 316.685.8617
for AEC orders or Todd at 316.283.8000 for B&C orders.
Ya gotta love these computers . . . otherwise we couldn't
put up with them!
Bob . . .
|-------------------------------------------------------|
| The man who does not read good books has no advantage |
| over the man who cannot read them. |
| - Mark Twain |
|-------------------------------------------------------|
Message 4
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--> AeroElectric-List message posted by: N823ms@aol.com
Bob:
Asked my son about the Autocad LT at the bookstore of Ole Miss. If
you go to JourneyED.Com, you will see a list of AutoCAD's. Which one are you
talking about? There are a few around 150.00.
Thanks,
Ed Silvanic
N823MS@aol.com
Message 5
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 10:43 AM 2/10/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: N823ms@aol.com
>
>Bob:
>
> Asked my son about the Autocad LT at the bookstore of Ole Miss. If
>you go to JourneyED.Com, you will see a list of AutoCAD's. Which one are you
>talking about? There are a few around 150.00.
>
>Thanks,
>
>Ed Silvanic
>N823MS@aol.com
Autocad LT 2002 for $149.98 would be my suggestion.
It is "light" in name only . . . VERY powerful
program.
Bob . . .
Message 6
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| Subject: | Re: Facet Electric fuel pump ? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 06:10 PM 2/6/2003 +0000, you wrote:
>--> AeroElectric-List message posted by: czechsix@juno.com
>
>Bill, I asked this question to Craig Weber, Facet's engineering rep, a
>while back and the answer for the pump Vans sells (model # 40108) is 1.4
>amps. I went with the "beer can" style pump instead on my RV, not because
>it draws less current (1 A) but because I like the inlet filter screen and
>it also fit in the wingroot where I wanted to mount it.
>
>--Mark Navratil
>Cedar Rapids, Iowa
>RV-8A N2D firewall forward....
Does anyone have a Facet pump they could send me for some
REAL energy measurements? I'd like to set one up to pump
a fix pressure head and put a data acquisition system on
it to plot the current curve (ya can't put a simple ammeter
in series with a critter that pulses) . . .
I'd really like to get some good data on one.
Bob . . .
Message 7
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 10:38 AM 2/6/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: CBFLESHREN@aol.com
>
>In a message dated 2/5/2003 4:20:50 PM Eastern Standard Time,
>owner-aeroelectric-list-server@matronics.com writes:
>
> > Still, I'm leaning towards the EXPBUS - as it must be the simplest and most
> > well arranged system for the homebuilder. So - to all who has been there,
> > done that: what's your experience/advice??
If for no other reasons:
(1) The EXPbus may or may not have all the circuit features
you need. What you see is what you get for now and
in the future.
(2) The EXPbus is warmed-over 1960's certifie-iron architecture.
(3) For what the EXPbus costs, we can buy all the circuit
protection, switches, terminals, wire, contactors and
installation supplies to do any of the Z-figures or
a variation thereof) and have money left over.
Bob . . .
Message 8
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 09:51 PM 2/3/2003 -0600, you wrote:
>--> AeroElectric-List message posted by: "Tom Parks" <flightwork2@msn.com>
>
>Bob!
>
>If I wire the switch per the terminal number sequence shown in Fig 11-11
>of Aeroconnection, it works as advertised regarding closing the contactor
>in the bat and alt position. Figure 7 of the ABMM schematic shows
>a (2-10) switch terminals only. The (2-10) switch terminals shown in the
>notes section of Figure 7 indicates a S700 (2-10) switch, mounted keyway
>up. I'll use the terminal layout shown in Fig 11-11 for all (2-10)
>switches (obtained from B&C) for my aircraft wiring.
See http://www.aeroelectric.com/articles/Carling_Micro/Carling_Micro.pdf
Thanks for bringing this to my attention . . .
Message 9
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| Subject: | parallel resistor for LED used with LR-3? |
--> AeroElectric-List message posted by: czechsix@juno.com
Bob,
I found in the archives a reference where you recommended a 220 ohm resistor to
be used in parallel with an LED when used to replace the incandescent bulb in
the LR-3 Low voltage warning circuit. Then I also have a sketch you posted for
someone not too long ago showing the same thing only in this case you recommend
a 470 ohm resistor for the parallel resistor.
Is it 220, 470, or does it matter? I don't know how much current the LR-3 sinks
in the OFF state so I'm not sure how to calculate what it should be.
For what it's worth, Greg Toman suggests a 1K resistor to be used with his engine
monitor warning light if replaced with an LED, but his circuit may not sink
the same amount of current as the LR-3....so maybe that's a moot point.
Thanks,
--Mark Navratil
Cedar Rapids, Iowa
RV-8A N2D firewall forward....
Message 10
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| Subject: | Lonestar Mag Filter - Success |
--> AeroElectric-List message posted by: "Matt Prather" <mprather@spro.net>
After some struggle to quiet the original magneto ignition system on my
VariEze,
I have some sucess to report. I replaced one of the mags with an
old-style LSE
CDI ignition, and I had the remaining mag rebuilt (new coil, points,
condensor,
timing adjusted, etc). There was still quite a bit of crackle showing up
on my
comm radio. The LSE ignition is very quiet, but it bothered me that the
mag was
only slightly better after the rebuild than before, and 10x worse than the
LSE. Out of
a small amount of desperation, I ordered one of the Lonestar Mag Filters
from 'Spruce,
and installed it over the weekend. I am happy to report that it made a
huge difference
in the system. While the mag is still noisier than the LSE, it only takes
about 1/2
available squelch to cover it up. Interestingly, (to me) even when I turn
the squelch
down, the amplitude of the noise is much less than before.
Lonestar touts the effectiveness of the coaxial design of their filter,
and from
my recent experience I can't argue. I didn't try any other style of cap,
however.
I suspect that part of my difficulties came from the VE not providing any
shielding that an Al airplane might enjoy.
Matt (Quiet and Happy) Prather
N34RD
Message 11
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| Subject: | Re: Best LED color for preserving night |
vision
--> AeroElectric-List message posted by: Mark Steitle <msteitle@mail.utexas.edu>
The LED Light.com has a variety of led fixtures. One looks like the one
referenced by John R.
See http://www.theledlight.com/interior.html
Mark S.
At 08:08 AM 2/10/2003 -0600, you wrote:
>--> AeroElectric-List message posted by: John Rourke
><jrourke@allied-computer.com>
>
>I'm checking... I can't find my receipt, and this link isn't where I
>bought it from, but it looks like the same thing and I think has the
>same part number -
>-John R.
>
>
>John Schroeder wrote:
> > --> AeroElectric-List message posted by: John Schroeder
> <jschroeder@perigee.net>
> >
> > John R.
> >
> > Where did you get the 6 LED gooseneck light?
> >
> > Thanks,
> >
> > John
> >
> >
> >>I bought one of those LED gooseneck lights with 6 LEDs in it
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 12
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--> AeroElectric-List message posted by: "David.vonLinsowe" <David.vonLinsowe@delphi.com>
I'm toying with the idea of panel mounting a Garmin 196.
Has anyone used one at night? How good is the visibility/readability of
the display at night?
Thanks,
Dave
RV-6
Message 13
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| Subject: | Re: parallel resistor for LED used with |
LR-3?
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:15 PM 2/10/2003 +0000, you wrote:
>--> AeroElectric-List message posted by: czechsix@juno.com
>
>Bob,
>
>I found in the archives a reference where you recommended a 220 ohm
>resistor to be used in parallel with an LED when used to replace the
>incandescent bulb in the LR-3 Low voltage warning circuit. Then I also
>have a sketch you posted for someone not too long ago showing the same
>thing only in this case you recommend a 470 ohm resistor for the parallel
>resistor.
470 ohm series resistance will give you about 21
mA of lamp current. 220 raises it to 45 mA. The
high intensity red lamps I use really get your attention
at 45 mA!
>Is it 220, 470, or does it matter? I don't know how much current the LR-3
>sinks in the OFF state so I'm not sure how to calculate what it should be.
The LR-3 pulls down at about 2 mA in the off state.
Putting a 220 ohm resistor across the LED and then
a 220-470 ohm resistor in series with the lamp/led
combo will get it lit up in good shape. You need the
220 across the lamp to keep it dark while off-state
leakage is present.
>For what it's worth, Greg Toman suggests a 1K resistor to be used with his
>engine monitor warning light if replaced with an LED, but his circuit may
>not sink the same amount of current as the LR-3....so maybe that's a moot
>point.
This would give you about 10 mA on most lamps. This
will get you quite a bit of light too . . .
Bob . . .
|-------------------------------------------------------|
| The man who does not read good books has no advantage |
| over the man who cannot read them. |
| - Mark Twain |
|-------------------------------------------------------|
Message 14
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| Subject: | Re: Facet Electric fuel pump ? |
--> AeroElectric-List message posted by: "kc" <samdacat@elp.rr.com>
I have a new Facet #40108 that I won't need for the next month or two if
that will help.
----- Original Message -----
From: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
Subject: Re: AeroElectric-List: Re: Facet Electric fuel pump ?
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
<bob.nuckolls@cox.net>
>
> At 06:10 PM 2/6/2003 +0000, you wrote:
> >--> AeroElectric-List message posted by: czechsix@juno.com
> >
> >Bill, I asked this question to Craig Weber, Facet's engineering rep, a
> >while back and the answer for the pump Vans sells (model # 40108) is 1.4
> >amps. I went with the "beer can" style pump instead on my RV, not
because
> >it draws less current (1 A) but because I like the inlet filter screen
and
> >it also fit in the wingroot where I wanted to mount it.
> >
> >--Mark Navratil
> >Cedar Rapids, Iowa
> >RV-8A N2D firewall forward....
>
> Does anyone have a Facet pump they could send me for some
> REAL energy measurements? I'd like to set one up to pump
> a fix pressure head and put a data acquisition system on
> it to plot the current curve (ya can't put a simple ammeter
> in series with a critter that pulses) . . .
>
> I'd really like to get some good data on one.
>
> Bob . . .
>
>
Message 15
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--> AeroElectric-List message posted by: Benford2@aol.com
The lighting is PERFECT !!!!! It still amazes me how damn smart and accurate
that little box can be. Without a doubt the best 890.00$ I ever spent.Now,
if they would make a bigger display I would get rid of my King KMD150 and
make the 196 center of attention.
Message 16
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| Subject: | Starter solenoid |
--> AeroElectric-List message posted by: Michel Therrien <mtherr@yahoo.com>
Hello Bob and friends,
There's nothing better than a simple experiment to
lighten up. Today, I wanted to know how much current
my starter solenoid was draining... I remember reading
Bob's article, but I suppose I did not understand it
and decided not to use an external starter contactor.
Well, I connected a positive 12V to the solenoid tab
of my starter and the fuse from my battery pack blew
(a 15A fuse). I replaced it with a 20A fuse and it
blew after a few seconds... wow. What's happening? I
thought that the solenoid needed only 8 amps or so.
Bob's article on starter solenoid explains that very
well. There are probably two windings on the
solenoid, one of them connected to the contactor on
the motor side. So, initially, the solenoid can draw
quite a bit of current, but that second coil becomes
inactive when it receives the 12V from the contactor
side. At that time the demand for current from the
solenoid would get lower.
In my case, I did not connect 12V to the contactor
side of the starter (the bolt). So, It was always
demanding the high current.
Now I understand that peak current thing Bob explains
and I can see how it would make a switch work
harder... I modified my drawing to include a starter
contactor. :-)
Michel
=====
----------------------------
Michel Therrien CH601-HD
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
Message 17
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| Subject: | Re: Facet Electric fuel pump ? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 06:33 PM 2/10/2003 -0700, you wrote:
>--> AeroElectric-List message posted by: "kc" <samdacat@elp.rr.com>
>
>I have a new Facet #40108 that I won't need for the next month or two if
>that will help.
I believe I have one coming already. Thanks!
Watch for data to be published as soon as I
can get it gathered.
Bob . . .
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