Today's Message Index:
----------------------
1. 05:56 AM - Re: VOR/GPS Indicator Relay Assembly (Robert L. Nuckolls, III)
2. 05:56 AM - Re: Flexible bus bar (Ron Raby)
3. 05:59 AM - Re: 10600 Foster (Robert L. Nuckolls, III)
4. 06:00 AM - Re: 10598 Holm (Robert L. Nuckolls, III)
5. 06:10 AM - Re: GPS antenna in wingtip? (Robert L. Nuckolls, III)
6. 06:12 AM - Re: Pilot Automotive landing lights (Eric M. Jones)
7. 06:51 AM - New PIDG crimper arrived (Neville Kilford)
8. 07:02 AM - Re: GPS antenna in wingtip? (Aucountry@aol.com)
9. 07:11 AM - Re: VOR/GPS Indicator Relay Assembly (Werner Schneider)
10. 07:11 AM - Re: GPS antenna in wingtip? (Chris Stone)
11. 08:36 AM - Re: GPS antenna in wingtip? (Mark Phillips)
12. 08:49 AM - Re: Oil Level Switch (rwilliams)
13. 09:16 AM - Re: Push-to-test, indicator lamps, etc. (Mark Phillips)
14. 10:15 AM - Re: Push-to-test, indicator lamps, etc. (Don Honabach)
15. 01:15 PM - Re: GPS antenna in wingtip? (Robert L. Nuckolls, III)
16. 01:45 PM - Re: Push-to-test, indicator lamps, etc. (John Schroeder)
17. 08:24 PM - Annunciator Board (Mark Phillips)
Message 1
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| Subject: | Re: VOR/GPS Indicator Relay Assembly |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 08:16 AM 6/17/2003 +0200, you wrote:
>--> AeroElectric-List message posted by: "Werner Schneider"
><wernerschneider@compuserve.com>
>
>Hello all,
>
>did anybody do the above mentioned relay board from Bob to switch one
>indicator from GPS to NAV and has some experience with it concerning wiring?
>
>I would appreciate a feedback, as I have some open questions concerning
>wiring and components.
>
>If not of general interest, please contact me directly.
>
>Many thanks, appreciate your feedback
>
>Werner
That board and/or kit came from Eric Jones. We WERE working
parallel projects. It seemed more efficient to limit the
efforts to one facility.
Bob . . .
Message 2
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| Subject: | Re: Flexible bus bar |
--> AeroElectric-List message posted by: "Ron Raby" <ronr@advanceddesign.com>
Erico tel 800-497-4304. I used it to make my contactor panel. I have some
kicking around. I could send you a foot or so.
Ron
----- Original Message -----
From: "John Schroeder" <jschroeder@perigee.net>
Subject: Re: AeroElectric-List: Flexible bus bar
> --> AeroElectric-List message posted by: John Schroeder
<jschroeder@perigee.net>
>
> Hi Ron -
>
> Could you post a source and some kind of pricing. Sounds like very good
> stuff for the power distribution panel to connect the contactors.
>
> Thanks,
>
> John
> > It is a coated flexible
> > buss bar material. I use it for large power contactors 400 amps +. It is
> > much easier than using wire or bending copper. You cut it to the length
> > you need and drill the hole size that you need. You do not have to use
> > lugs.
> > there part # 505053 is good for a 154 amps.
>
>
Message 3
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| Subject: | Re: 10600 Foster |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
>
>,
>Email: rfoster1@rgv.rr.com
>Comments/Questions: I am having problems with the fuel guage in my
>Tripacer. Can you explain how these fuel guages work and possible way of
>troubleshooting the problem. It works intermittantly. It may have
>something to do with the grounds.
>
>Thanks
>Bob Foster
>N3739A
I am not familiar with the details of Piper's system
but irrespective of the airplane, the task is to inspect
all wiring and renew if questionable . . . especially
grounds. Make sure there is a ground wire from each
tank to the airframe. The "senders" are rotary resistors
that do wear out. These could be in need of replacement
also.
Bob . . .
--------------------------------------------
( Knowing about a thing is different than )
( understanding it. One can know a lot )
( and still understand nothing. )
( C.F. Kettering )
--------------------------------------------
Message 4
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 09:34 PM 6/16/2003 +0000, you wrote:
>Below is the result of your inquiry. It was submitted by
>Stig Holm (stig.holm@telia.com) on Monday, June 16, 2003 at 14:34:50
>
>Monday, June 16, 2003
>
>Stig Holm
>
>,
>Email: stig.holm@telia.com
>Comments/Questions: Hi,Bob. I'm building an RV6 with an O-320 which I have
>decided to equip with dual electronic ignition (Lightspeed). For
>redundancy Im installing a backup battery which is normally off-line
>(both systems fed by the main electric system) but continously charged
>from the main system through a diode. My problem is that the backup
>battery has a max charging current of .66 amps and if the voltage of this
>battery for some reason has dropped, the charging current from the main
>system (14.2 volts minus some .3 volts drop over the diode) will easily
>damage the backup battery. I will therefore need some sort of charging
>limiter to maximize the charging current to .66 amps.
>How do I accomplish this?
> Regards
>Stig Holm
What size batteries are you using?
I will invite you to join us on the AeroElectric List
to continue this and similar discussions. It's useful to
share the information with as many folks as possible.
A further benefit can be realized with membership on
the list. There are lots of technically capable folks
on the list who can offer suggestions too. You can
join at . . .
http://www.matronics.com/subscribe/
Thanks!
Bob . . .
|---------------------------------------------------|
| A lie can travel half way around the world while |
| the truth is till putting on its shoes . . . |
| -Mark Twain- |
|---------------------------------------------------|
Message 5
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| Subject: | Re: GPS antenna in wingtip? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 08:08 AM 6/16/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: Robert Miller
><rmiller3@earthlink.net>
>
>I posted this question once before but didn't see any comments...
>Still wondering if a GPS antenna in the fiberglass wingtip of an RV would
>work well enough.
>Disadvantages?
>This would avoid at least the heat issue of placement under the fiberglass
>cowl.
It will probably work fine on the wingtip unless you've painted the
fiberglas with conductive paint. Of course the same caveat would
apply to cowl placement.
Coax length is a consideration but not generally a driving force
in small airplanes. Everyone who builds a GPS for airplanes
wishes every KingAir and Lear in the world will buy his product.
There probably isn't a single antenna cable for any system less
than 20 to 25 feet long in those airplanes. The radio is designed
to accommodate those installations. Use modern coax
(not RG-58) and you're going to be fine.
Bob . . .
Message 6
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| Subject: | Re: Pilot Automotive landing lights |
--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
Bob mentions in his book the sensible system of using automotive hi-low beam lamps.
This makes great sense especially in single light aircraft; in fact I can't
imagine a reason not to do it. Please note that Wig-Wags work great using only
a single lamp if it is a hi-low beam type.
A guy I knew in the 1960's used 250W aircraft landing lights in his car for driving
fast at night. So he racked up an equipment violation AND a speeding ticket
with regularity. In 1966 the draft board sent him an official letter declaring
him 4F due to his "excessive traffic violations".
Regards,
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge MA 01550-2705
Phone (508) 764-2072
Email: emjones@charter.net
Message 7
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| Subject: | New PIDG crimper arrived |
--> AeroElectric-List message posted by: "Neville Kilford" <nkilford@etravel.org>
Bob & others,
I took delivery of a new AMP ratchet crimp tool today, dies for PIDG
terminals, and an assortment of PIDG terminals. An expensive tool, but well
worth it. Got it from RS.
I've never used a PIDG terminal before, but I'm sold on them already. Those
blighters are solid! Try as I might, I couldn't get the terminals off with
brute force.
Nev
Message 8
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| Subject: | Re: GPS antenna in wingtip? |
--> AeroElectric-List message posted by: Aucountry@aol.com
In a message dated 06/17/03 06:11:12 AM, bob.nuckolls@cox.net writes:
> I posted this question once before but didn't see any comments...
> >Still wondering if a GPS antenna in the fiberglass wingtip of an RV would
> >work well enough.
> >Disadvantages?
>
I've had very good luck just placing the antenna on the glareshield at the
base of the windshield.
Message 9
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| Subject: | Re: VOR/GPS Indicator Relay Assembly |
--> AeroElectric-List message posted by: "Werner Schneider" <wernerschneider@compuserve.com>
Hello Bob,
thanks a lot, I had just downloaded the info from you and was not
aware of this, will contact Eric, and had already some user contacting me.
Many thanks for your help, much appreciated.
Werner
----- Original Message -----
From: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
Subject: Re: AeroElectric-List: VOR/GPS Indicator Relay Assembly
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
<bob.nuckolls@cox.net>
>
> At 08:16 AM 6/17/2003 +0200, you wrote:
> >--> AeroElectric-List message posted by: "Werner Schneider"
> ><wernerschneider@compuserve.com>
> >
> >Hello all,
> >
> >did anybody do the above mentioned relay board from Bob to switch one
> >indicator from GPS to NAV and has some experience with it concerning
wiring?
> >
> >I would appreciate a feedback, as I have some open questions concerning
> >wiring and components.
> >
> >If not of general interest, please contact me directly.
> >
> >Many thanks, appreciate your feedback
> >
> >Werner
>
> That board and/or kit came from Eric Jones. We WERE working
> parallel projects. It seemed more efficient to limit the
> efforts to one facility.
>
> Bob . . .
>
>
Message 10
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| Subject: | GPS antenna in wingtip? |
--> AeroElectric-List message posted by: "Chris Stone" <Chris.Stone@a-dec.com>
Bob...
You make reference to "modern coax" as opposed to RG-58. What is modern
coax?
I have been following the list for the past year and I guess missed
previous reference to this.
Thanks,
Chris Stone
RV-8 Wings...soon to be fuselage...soon to be wiring
-----Original Message-----
From: Robert L. Nuckolls, III [mailto:bob.nuckolls@cox.net]
Subject: Re: AeroElectric-List: GPS antenna in wingtip?
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
--> <bob.nuckolls@cox.net>
At 08:08 AM 6/16/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: Robert Miller
><rmiller3@earthlink.net>
>
>I posted this question once before but didn't see any comments... Still
>wondering if a GPS antenna in the fiberglass wingtip of an RV would
>work well enough. Disadvantages?
>This would avoid at least the heat issue of placement under the
fiberglass
>cowl.
It will probably work fine on the wingtip unless you've painted the
fiberglas with conductive paint. Of course the same caveat would
apply to cowl placement.
Coax length is a consideration but not generally a driving force
in small airplanes. Everyone who builds a GPS for airplanes
wishes every KingAir and Lear in the world will buy his product.
There probably isn't a single antenna cable for any system less
than 20 to 25 feet long in those airplanes. The radio is designed
to accommodate those installations. Use modern coax
(not RG-58) and you're going to be fine.
Bob . . .
direct advertising on the Matronics Forums.
Message 11
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| Subject: | Re: GPS antenna in wingtip? |
--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
Another option for GPS antenna location for tip-ups is on top of the support
channel for the cabin frame. Lower the front edge to be flush with the bottom
of
the rollbar and mount the rear a half inch or so lower than shown in the plans.
(this was blessed by a call to Vans support) My Garmin 35 sits nicely on top of
the channel. I originally did this to make the glass easier to clean, and saw
it
would be a good spot for the reciever...
From The PossumWorks in TN
Mark -6A FWF "almost" done, staring at emp fairing...
Message 12
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| Subject: | Re: Oil Level Switch |
--> AeroElectric-List message posted by: "rwilliams" <rwilliams@C1ama.net>
Hugh MacInnes has a whole page [77] on scavenge pumps for turbochargers in
his book Turbochargers (available from Aircraft Spruce among others).
Simplicity enhances reliability, as Bob so wisely and frequently reminds us.
I think I'd consider finding a rock-solid pump and give it juice whenever
the engine is running.
As for the drain reservoir, who not use a tiny oil cooler? Just make sure
that the surge tank at the top is large enough to handle the foamy oil.
Message 13
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| Subject: | Re: Push-to-test, indicator lamps, etc. |
--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
Hi Neville-
I was originally going to build an annunciator panel with some neat incandescent
blocks that locked together, but after wrestling with the required diodes and
additional connections required for PTT, I took Bob Nuckolls' suggestion and used
LEDs instead. They are virtually permanent and are tested on every preflight (well,
most of them anyway) I just finished putting together a panel on the cheap with
10
main LED lamp units and four spares- the display is 140mm wide and 15mm high (two
rows of seven lamps). They are pretty much for the same functions you mention,
plus
low fuel R/L, EIS main warning light, canopy latched, low oil pressure etc. Here's
a
link to DigiKey's catalog page:
http://dkc3.digikey.com/PDF/T032/1150.pdf
The ones I used were Fig. 3 at the bottom of the page, MU04-X101, available in
red
yellow and green, three LEDs in each unit for $1.32 ea. After some testing, I
opted
to run them at 30ma to increase brightness (240 ohm resistors) which should be
okay
as their duty cycle should be quite low. (I ran one for 4 weeks solid at about
45ma
without appreciable dimming) They are soldered direct to a phenolic project board
(fiberglass would probably be better) and wired to a 15 pin d-sub connector on
a 5"
long pigtail. I've probably got about $40 in the whole thing. I'm also planning
to
add a couple of zeners and a DPDT switch for a dimmer, just not sure what value
to
use yet. The lettering overlay is simply part of an AutoCAD drawing printed on
clear
plastic with a laser printer. Neat little roll yer own project.
I've got the schematic in AutoCAD if you'd like a copy.
From The PossumWorks in TN
Mark
Neville Kilford wrote:
> I'd like a handful of indicators on the panel -- fuel pump on, starter
> engaged, flaps extended, lo-v, etc. Can I simply wire them in parallel with
> their related equipment, e.g. wire a "starter engaged" light in parallel with
> the starter motor? And do you have any suggestions about good places to buy
> annunciator lamps and whatnot? I guess there must be some nice looking kit
> around.
Message 14
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| Subject: | Push-to-test, indicator lamps, etc. |
--> AeroElectric-List message posted by: "Don Honabach" <don@pcperfect.com>
Mark,
>> the display is 140mm wide and 15mm high (two rows of seven lamps).
Any pictures?
Thanks,
Don Honabach
don@pcperfect.com
-----Original Message-----
From: Mark Phillips [mailto:ripsteel@edge.net]
Subject: Re: AeroElectric-List: Push-to-test, indicator lamps, etc.
--> AeroElectric-List message posted by: Mark Phillips
--> <ripsteel@edge.net>
Hi Neville-
I was originally going to build an annunciator panel with some neat
incandescent blocks that locked together, but after wrestling with the
required diodes and additional connections required for PTT, I took Bob
Nuckolls' suggestion and used LEDs instead. They are virtually
permanent and are tested on every preflight (well, most of them anyway)
I just finished putting together a panel on the cheap with 10 main LED
lamp units and four spares- the display is 140mm wide and 15mm high (two
rows of seven lamps). They are pretty much for the same functions you
mention, plus low fuel R/L, EIS main warning light, canopy latched, low
oil pressure etc. Here's a link to DigiKey's catalog page:
http://dkc3.digikey.com/PDF/T032/1150.pdf
The ones I used were Fig. 3 at the bottom of the page, MU04-X101,
available in red yellow and green, three LEDs in each unit for $1.32 ea.
After some testing, I opted to run them at 30ma to increase brightness
(240 ohm resistors) which should be okay as their duty cycle should be
quite low. (I ran one for 4 weeks solid at about 45ma without
appreciable dimming) They are soldered direct to a phenolic project
board (fiberglass would probably be better) and wired to a 15 pin d-sub
connector on a 5" long pigtail. I've probably got about $40 in the
whole thing. I'm also planning to add a couple of zeners and a DPDT
switch for a dimmer, just not sure what value to use yet. The lettering
overlay is simply part of an AutoCAD drawing printed on clear plastic
with a laser printer. Neat little roll yer own project.
I've got the schematic in AutoCAD if you'd like a copy.
From The PossumWorks in TN
Mark
Neville Kilford wrote:
> I'd like a handful of indicators on the panel -- fuel pump on, starter
> engaged, flaps extended, lo-v, etc. Can I simply wire them in
> parallel with their related equipment, e.g. wire a "starter engaged"
> light in parallel with the starter motor? And do you have any
> suggestions about good places to buy annunciator lamps and whatnot? I
> guess there must be some nice looking kit around.
direct advertising on the Matronics Forums.
Message 15
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| Subject: | GPS antenna in wingtip? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:11 AM 6/17/2003 -0700, you wrote:
>--> AeroElectric-List message posted by: "Chris Stone" <Chris.Stone@a-dec.com>
>
>Bob...
>
>You make reference to "modern coax" as opposed to RG-58. What is modern
>coax?
>
>I have been following the list for the past year and I guess missed
>previous reference to this.
RG400, RG141, etc.
Bob . . .
Message 16
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| Subject: | Re: Push-to-test, indicator lamps, etc. |
--> AeroElectric-List message posted by: John Schroeder <jschroeder@perigee.net>
Mark -
I'd love to get a copy of the schematic in AutoCAD. Email it to me.
Many thanks for doing the ground work!
Cheers,
John
> http://dkc3.digikey.com/PDF/T032/1150.pdf
>
>
> I've got the schematic in AutoCAD if you'd like a copy.
>
> From The PossumWorks in TN
> Mark
Message 17
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| Subject: | Annunciator Board |
--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
Looking for Jeff H. - I screwed up & lost yer address- please holler at
me! (sorry for the diversion, A-listers!)
do not archive from The PossumWorks
Mark
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