Today's Message Index:
----------------------
1. 12:08 AM - Re: Low Density 9-PIN D-Sub Dust cover.... (Jack Lockamy)
2. 12:11 AM - Re: Low Density 9-PIN D-Sub Dust cover.... (Jack Lockamy)
3. 01:07 AM - Re: Battery Bus Lead Length/external power plug (Werner Schneider)
4. 06:02 AM - Re: Keeping Cables Separated 2 (Robert L. Nuckolls, III)
5. 06:12 AM - Off to Jeff City Seminar (Robert L. Nuckolls, III)
6. 06:31 AM - Re: Main/E-bus Switching Sequence (Robert L. Nuckolls, III)
7. 06:38 AM - Re: Essential Bus Alt Feed Wire Protection (Robert L. Nuckolls, III)
8. 07:56 AM - Re: Essential Bus Alt Feed Wire Protection (Brett Ferrell)
9. 08:22 AM - big switch (Troy Scott)
10. 08:27 AM - Re: Essential Bus Alt Feed Wire Protection (Robert L. Nuckolls, III)
11. 08:54 AM - Re: Stereo amp. (Bill Hibbing)
12. 09:09 AM - Re: Essential Bus Alt Feed Wire Protection (James Redmon)
13. 09:51 AM - Re: Essential Bus Alt Feed Wire Protection (Michel Therrien)
14. 09:59 AM - Re: Essential Bus Alt Feed Wire Protection (Brett Ferrell)
15. 11:14 AM - Re: Stereo amp. (Hi There)
16. 11:26 AM - Garage Sale has Ended (czechsix@juno.com)
17. 05:20 PM - Re: Stereo amp. (Larry Bowen)
18. 08:02 PM - Re: Low Density 9-PIN D-Sub Dust cover.... (Charlie & Tupper England)
Message 1
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| Subject: | Re: Low Density 9-PIN D-Sub Dust cover.... |
--> AeroElectric-List message posted by: "Jack Lockamy" <jacklockamy@att.net>
Thanks Bob.... seems to me I have seen them before also. Just thought someone
else may have a lead on where to find them.
Jack Lockamy
Camarillo, CA
Message 2
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| Subject: | Re: Low Density 9-PIN D-Sub Dust cover.... |
--> AeroElectric-List message posted by: "Jack Lockamy" <jacklockamy@att.net>
Thanks Mike.... that's exactly what I was looking for. Just don't know what I
would do with 5,000 of them :-).
I'll check Radio Shack as another poster mentioned.
Thanks again,
Jack Lockamy
Camarillo, CA
Message 3
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| Subject: | Re: Battery Bus Lead Length/external power plug |
--> AeroElectric-List message posted by: "Werner Schneider" <wernerschneider@compuserve.com>
Thanks Bob,
now I know what I do tonight =(;o)
Werner
----- Original Message -----
From: "Robert L. Nuckolls, III plug" <bob.nuckolls@cox.net>
Subject: Re: AeroElectric-List: Battery Bus Lead Length/external power plug
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
<bob.nuckolls@cox.net> plug
>
> At 06:11 PM 1/8/2004 +0100, you wrote:
> >--> AeroElectric-List message posted by: "Werner Schneider"
> ><wernerschneider@compuserve.com>
> >
> >Hello Bob and all,
> >
> >what is the risk, I would like to mount an external power plug, but would
> >like a bit simpler approach as the top setup Bob has on the web. I'm
using
> >it myself only (charging) and very seldom jumpstart. The plug will be
around
> >4-6 inches from the batterie. What is against to connect the plug
directly
> >to the batterie, what would you recommend?
>
> That will work.
>
> Bob . . .
>
>
Message 4
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| Subject: | Re: Keeping Cables Separated 2 |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 01:00 AM 1/9/2004 -0500, you wrote:
>--> AeroElectric-List message posted by: Don Boardman <dboardm3@twcny.rr.com>
>
>Bob, a follow up if I may.
>
> >> "Radiated signals can be a factor when low level microphone signals are
> >> "bundled" with current carrying power wires. Keep these (I assume they
> mean
> >> the mic and phone) cables physically separated."
> >
> > No, keep avionics and instrumentation wiring separate
> > from power distribution wiring.
>
>By power distribution wiring, your mean the # 4's and the relayed # 12 to
>the E-bus from the battery bus (under co-pilot's seat) RIGHT?
Any wiring that carries 14v between ships components.
> >This is generally easy to do
> > since avionics/instrumentation tend to be central on the
> > panel while power distribution/control can be along the
> > edges and around the skin of the aircraft.
>
>The Fat wires will run up through the floor on the co-pilot's side at the
>firewall behind the rudder pedals and then across the firewall behind the
>avionics and instrumentation to connect to the fuse blocks which are on a
>hinged shelf located under and flush with the bottom of the panel on the
>pilot's side. You responded to an earlier post and indicated that this
>should not be a problem ... Yes?
>
>
>AND
>Soooooo ... running my shielded mic and phone cables from the intercom in
>the panel to the rear passengers jacks side by side with my Fat current
>carrying wires which they will meet up with at the firewall and then travel
>back together under the floor is OK?
>
>
>AND
>Running my Transponder coax in this "bundle" (actually in a 2" wide
>u-channel acting as a raceway or tray) is OK?
Sure . . . Look. The act of running potentially antagonistic
wires together is not an automatic formula for noise problems.
In many cases, like a very complex biz jet, we don't have
the option of catering to our fondest wishes for wire routing.
Proper grounding will probably hold-off 95% of the potential
problems . . . after this, wire routing is a very low risk
endeavor. So rather than get into detailed and worrisome
discussions about this wire running next to that wire, just
do the best you can with sensitivity to practical concerns
for installation. Obviously, one could run potential victims
across the cockpit hanging out in space and have zero risk
for grabbing noise from adjacent wires . . . but it's a
bear to have your passengers get tangled up in the wires.
The worst thing that happens is you'll have some little
noise problem to troubleshoot later. Look forward to it
as an educational challenge . . . an opportunity to hone
skills that many folks in this business don't possess.
Bob . . .
Message 5
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| Subject: | Off to Jeff City Seminar |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
Dee and I are packing for a road trip to Jeff City, Mo
for a weekend seminar. I know there's a ton of open items
on the List traffic . . . some going back weeks before
Xmas. I'll try to get to those next week. We had guests
the entire holiday vacation interval and I really got behind
on things I was planning to do.
I DID get a new sink, garbage disposer and faucets
installed . . . made one of my guests hold the flashlight
for me!
I'll be back on the List Monday and try to get caught
up.
Bob . . .
-----------------------------------------
( Experience and common sense cannot be )
( replaced with policy and procedures. )
( R. L. Nuckolls III )
-----------------------------------------
Message 6
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| Subject: | Re: Main/E-bus Switching Sequence |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 01:20 AM 1/9/2004 -0500, you wrote:
>--> AeroElectric-List message posted by: Don Boardman <dboardm3@twcny.rr.com>
>
>Hi Bob,
>
>I am wiring a 2-10 switch as my main Master Switch and also a 2-10 as my
>E-bus "Alt Master" Switch (OFF, Alt Feed, Alt Feed/Aux Alt).
>
>After losing the main alternator and while switching from the main bus to
>the E-bus can both the main master and the E-bus master both be in the "BAT"
>position at the same time as not to loose power to the E-bus during the
>change over?
Yes
>And in the same vain when the airport, or lake in my case, is made while
>switching back from E-bus to main master's BAT position can both switches be
>feeding the E-bus during the transition.
yes
Bob . . .
-----------------------------------------
( Experience and common sense cannot be )
( replaced with policy and procedures. )
( R. L. Nuckolls III )
-----------------------------------------
Message 7
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 05:33 PM 1/8/2004 -0600, you wrote:
>--> AeroElectric-List message posted by: "James Redmon" <james@berkut13.com>
>
>
>Bob,
>
>Until recently, I was using the standard "canard" wiring configuration (aft
>engine, front battery) with the Z-12 diagram. For CG reasons, I am better
>off placing my battery in the aft compartment of the plane but not engine
>side of the firewall. I have obviously have relocated the master relay,
>battery and reduced the size cable running forward to the fuse blocks.
>
>My question is, regarding the appropriate connection and type of protection
>I should use for the Essential Bus alternate feed. It is planned to be a
>12-15ft run of 12-gauge wire from battery to switch to bus. Should I use a
>current limiter (alt. fuse type), fusible link, standard ATC fuse from a
>battery bus, or something else?
Feed it from a suitably fat fuse on the battery bus and install
an E-bus control relay as shown in:
http://www.aeroelectric.com/temp/E-BusFatFeed.gif
>Obviously, I want this connection to be resilient to nuisance trips, spike
>loads, etc. as possible but still afford some reasonable protection for the
>long run of wire.
If you THINK there is a potential for "nuisance trips" and "spike
loads" then you've not fully grasped the manner in which your
system operates. One can take the belt-suspenders approach and
make everything robust . . . or take the time to deduce exactly
how all the stuff on the E-bus works and design for comfortable
accommodation. "Nuisance trip" is a euphemism for "didn't do
my homework." Works good in the certified aircraft world but
no excuses in the OBAM aircraft community.
Bob . . .
-----------------------------------------
( Experience and common sense cannot be )
( replaced with policy and procedures. )
( R. L. Nuckolls III )
-----------------------------------------
Message 8
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: Brett Ferrell <bferrell@123mail.net>
Quoting "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>:
> >My question is, regarding the appropriate connection and type of
> protection
> >I should use for the Essential Bus alternate feed. It is planned to be
> a
> >12-15ft run of 12-gauge wire from battery to switch to bus. Should I
> use a
> >current limiter (alt. fuse type), fusible link, standard ATC fuse from
> a
> >battery bus, or something else?
>
> Feed it from a suitably fat fuse on the battery bus and install
> an E-bus control relay as shown in:
>
> http://www.aeroelectric.com/temp/E-BusFatFeed.gif
>
Bob - are you recommending this in-lieu of using a switch-breaker? I'm using the
SD-20 for my all-electric Velocity as was planning on using a 20A Switchbreaker
to activate the backfeed, and then take the master off-line if needed.
Brett
--
Visit us at www.velocityxl.com
44VF Velocity XL/FG
I68 Cincinnati, OH
Message 9
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--> AeroElectric-List message posted by: "Troy Scott" <tscott1217@bellsouth.net>
Original message:
>Gentlemen,
>
>Does anyone have a source for a progressive off-on-on DPDT switch rated for
>20amps? It needs to look about like the panel switches from B&C.
Why 20A?
Bob . . .
Bob,
I KNEW you'd catch that. Just can't slip anything past you, can I? :-)
I'm thinking of a way to simplify Z-14 by eliminating the battery contactor
on the "#2" side of the setup. I wouldn't do this unless I could put the
battery very close to the switch, like behind the instrument panel, on the
aft side of the firewall. OK, shoot holes in this, please.
Regards,
Troy
Message 10
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:55 AM 1/9/2004 -0800, you wrote:
>--> AeroElectric-List message posted by: Brett Ferrell <bferrell@123mail.net>
>
>
>Quoting "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>:
> > >My question is, regarding the appropriate connection and type of
> > protection
> > >I should use for the Essential Bus alternate feed. It is planned to be
> > a
> > >12-15ft run of 12-gauge wire from battery to switch to bus. Should I
> > use a
> > >current limiter (alt. fuse type), fusible link, standard ATC fuse from
> > a
> > >battery bus, or something else?
> >
> > Feed it from a suitably fat fuse on the battery bus and install
> > an E-bus control relay as shown in:
> >
> > http://www.aeroelectric.com/temp/E-BusFatFeed.gif
> >
>
>Bob - are you recommending this in-lieu of using a switch-breaker? I'm
>using the SD-20 for my all-electric Velocity as was planning on using a
>20A Switchbreaker to activate the backfeed, and then take the master
>off-line if needed.
We're talking about the E-Bus alternate feed being
a long, relatively fat wire and needing to be made-cold
when all switches are OFF.
Controlling the SD-20 is another issue. I'm not sure what
you're proposing here. Which Z-Figure are you considering?
Bob . . .
Message 11
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--> AeroElectric-List message posted by: "Bill Hibbing" <n744bh@bellsouth.net>
Larry,
Check the specs on your stereo for the output voltage of the preamp, it
could be anywhere from 0.5 to maybe 5.0 or better. As long as the specs
give you 3.0V or less you should be OK.
Also, check the squelch controls on your intercom and make sure that they
are set high enough that the intercom isn't muting. I had the same problem
and found that my copilots squelch was not set high enough and was muting
everything but the com radio even though there was no headset connected to
those copilot jack plugs.
Bill
Glasair
----- Original Message -----
From: "Larry Bowen" <Larry@BowenAero.com>
Subject: AeroElectric-List: Stereo amp.
> --> AeroElectric-List message posted by: "Larry Bowen"
<Larry@BowenAero.com>
>
> I ran the music input on my NAT intercom to a 3.5mm jack. I turned the
> pot adjustment on the intercom to max. But each of the three audio
> devices I've tested as music input are very weak. Judging by the
> archives I'm not alone. I searched the internet for "walkman amps" and
> came across this:
>
> http://www.hobbytron.net/CK154A.html
>
> Think this will help the situation?
>
> There is a hand-written note in the intercom installation manual I got
> from NAT that notes the music in source should be 3v p-p (1v RMS). This
> doesn't mean much to me, but if someone could translate, it might
> provide some clues.
>
> Thanks.
>
> -
> Larry Bowen
> Larry@BowenAero.com
> http://BowenAero.com
>
>
Message 12
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: "James Redmon" <james@berkut13.com>
> >My question is, regarding the appropriate connection and type of
protection
> >I should use for the Essential Bus alternate feed. It is planned to be a
> >12-15ft run of 12-gauge wire from battery to switch to bus. Should I use
a
> >current limiter (alt. fuse type), fusible link, standard ATC fuse from a
> >battery bus, or something else?
>
> Feed it from a suitably fat fuse on the battery bus and install
> an E-bus control relay as shown in:
>
> http://www.aeroelectric.com/temp/E-BusFatFeed.gif
Excellent! That is exactly what I needed. Thank you.
> >Obviously, I want this connection to be resilient to nuisance trips,
spike
> >loads, etc. as possible but still afford some reasonable protection for
the
> >long run of wire.
>
> If you THINK there is a potential for "nuisance trips" and "spike
> loads" then you've not fully grasped the manner in which your
> system operates. One can take the belt-suspenders approach and
> make everything robust . . . or take the time to deduce exactly
> how all the stuff on the E-bus works and design for comfortable
> accommodation. "Nuisance trip" is a euphemism for "didn't do
> my homework." Works good in the certified aircraft world but
> no excuses in the OBAM aircraft community.
Ha! Ain't that the truth! Actually, I was just likely over-analyzing
possible scenarios as I do not anticipate any system induced "trips" or
other issues. The system is in place and I have run through just about
every device on/off combination I can think of without a single hitch (sans
engine start). I guess I'm a "belt-suspenders" kind of guy but on a tight
budget. ;-)
Please correct me if my logic is flawed in this worst possible case: The
plane is IFR equipped and utilized solid state ADI. I plan to run "master
only" during VFR ops (two alts/one bat Z-12), but due to the criticality of
systems during IFR flight - I plan to run with both the master and alt feeds
engaged (no power down to avionics if main power feed is disrupted somehow).
I understand this would be a very rare possibility, but should a component
fail in a shorted mode, I sure want the component level protection to catch
it...and not blow the alt feed.
I think we are in lock-step and I'll proceed with the attached "relay" based
alt feed setup.
Thanks again!
-James
Message 13
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: Michel Therrien <mtherr@yahoo.com>
Nice! But thinking about it.... is this really
required?
What I mean is that while I was testing my electrical
system, I used a fused battery connected to my system
with aligator clips. Every so often, the clip
connected to the contactor dropped in the fuselage and
the 20-amp fuse blew away. I never noticed any noise,
spark or damages.
I cannot call that experience above anything that
would make me an expert; so, I wonder what kind of
failure would make the wire go hot without the fuse
burning.
I see one potential issue with my setup... the 12awg
wire is switched behind the panel. If there would be
a contact to ground from the e-Bus wire at the switch,
I think it could drain a lot of current on the
unprotected segment of wire through the main bus. (the
wire from switch to e-Bus post is not protected from
the e-Bus)
Michel
--- "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
>
> Feed it from a suitably fat fuse on the battery
> bus and install
> an E-bus control relay as shown in:
>
>
> http://www.aeroelectric.com/temp/E-BusFatFeed.gif
>
>
=====
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
http://hotjobs.sweepstakes.yahoo.com/signingbonus
Message 14
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| Subject: | Re: Essential Bus Alt Feed Wire Protection |
--> AeroElectric-List message posted by: Brett Ferrell <bferrell@123mail.net>
Quoting "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>:
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
> <bob.nuckolls@cox.net>
> >Bob - are you recommending this in-lieu of using a switch-breaker? I'm
>
> >using the SD-20 for my all-electric Velocity as was planning on using a
>
> >20A Switchbreaker to activate the backfeed, and then take the master
> >off-line if needed.
>
> We're talking about the E-Bus alternate feed being
> a long, relatively fat wire and needing to be made-cold
> when all switches are OFF.
>
> Controlling the SD-20 is another issue. I'm not sure what
> you're proposing here. Which Z-Figure are you considering?
>
> Bob . . .
Bob - I'm using Z12 with the SD-20 low voltage controller bringing the second alt
online, and wire to the E-Bus is not particularly long, but it will be reasonably
fat since I'm going to use an EFIS and all electric IFR instruments, so
instead of the depicted switch I was going to use a switch breaker to control
the altnerate feed source from the battery bus.
Brett
--
Visit us at www.velocityxl.com
44VF Velocity XL/FG
I68 Cincinnati, OH
Message 15
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--> AeroElectric-List message posted by: Hi There <rv90619@yahoo.com>
The guy with the hanger next to me has an RV4 with that same amp in it to power
an MP3 player and an XM radio, works great. He ended up cutting that board in
half and running mono. I'm putting one in my plane, in fact I found a volume
control pot at Radio Shack that has a on/off switch built into it, makes the
install and bit nicer.
Cam
Larry Bowen <Larry@BowenAero.com> wrote:
--> AeroElectric-List message posted by: "Larry Bowen"
I ran the music input on my NAT intercom to a 3.5mm jack. I turned the
pot adjustment on the intercom to max. But each of the three audio
devices I've tested as music input are very weak. Judging by the
archives I'm not alone. I searched the internet for "walkman amps" and
came across this:
http://www.hobbytron.net/CK154A.html
Think this will help the situation?
There is a hand-written note in the intercom installation manual I got
from NAT that notes the music in source should be 3v p-p (1v RMS). This
doesn't mean much to me, but if someone could translate, it might
provide some clues.
Thanks.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
---------------------------------
Message 16
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aeroelectric-list@matronics.com
| Subject: | Garage Sale has Ended |
--> AeroElectric-List message posted by: czechsix@juno.com
Thanks guys, everything is SOLD!
--Mark Navratil
Cedar Rapids, Iowa
RV-8A N2D baffles and other stuff....
Subject: Garage Sale
Guys, I have some stuff for sale. Everything came from Vans except the
VSI that I bought at Oshkosh. All prices are subject to negotiation so
if you think I'm a cheap tightwad (which is probably true), don't be
upset or insulted, just make me a reasonable offer. Buyer pays shipping.
Please respond OFF LIST if interested in anything!
VA-149-360-PC, Throttle/Mixture Bracket for O-360 carb, *FREE* to anyone
who is buying something else that I can ship it with. Vans price is $18,
this one has been slightly modified (long story) but should still work
just fine for the intended purpose....
IE F-385B and IE F-385C Stewart Warner Sending Units (left and right),
these were carefully bent to fit my RV-8A tanks (which should fit any
RV-7/8 wings, not sure about other models). I installed them and gooped
some proseal around the mount/gasket to help seal them, then removed them
when I put Princeton Capacitive probes in later. They won't win a beauty
constest but work fine and will save you some installation
time....they've never touched fuel but I verified them with an ohm meter
for proper operation. Vans price is $46 (or $23 each), asking $20 for
both of them together.
CT 82F, RV-8/8A 2-lever Throttle/Mixt Quadrant, was briefly installed in
my plane before I upgraded to CS prop. One of the aluminum plates on the
outboard side of the quadrant is painted with grey Rustoleum which could
be repainted, but it's mostly hidden when installed in the side console.
Vans price $39, asking $25.
EA CARB HEAT MUFF, new in the bag. Vans price $22.50, asking $17.
FAB-360, Filtered Airbox for O-360, Marvel Carb; IO-320/360 (180 hp)
Bendix Injection. New and unassembled. Vans price $120, asking $100.
IF-UMA-16-311-241D, RV-7/8 Air Speed Indicator, 3 1/8" diameter, outer
scale knots, inner mph. New in box. Vans price $143, asking $120.
IF BG-3B Altimeter, 3 1/8" diameter. New in box. Vans price $198,
asking $175.
UMA #8-310-30 Vertical Speed Indicator, +/- 3000 fpm scale, 3 1/8"
diameter. New in box. Pacific Coast Avionics price was $125, asking
$100.
Thanks for your interest and apologies for cluttering the List with this
stuff...
--Mark Navratil
Cedar Rapids, Iowa
RV-8A N2D would be flying by now if I'd quit changing stuff!
Do Not Archive
Message 17
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--> AeroElectric-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
Bill-
The specs say 500 ohms/3v p-p max for intercom music input. The inputs
I'm using for testing are just old walkmans. I'll see if I can measure
the output.
I think the squelch is ok. There is only one squelch control. Even
with it set to 'live', I can barely hear the music. An idling engine
would drown it out.
Thanks,
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
> -----Original Message-----
> From: Bill Hibbing [mailto:n744bh@bellsouth.net]
> Sent: Friday, January 09, 2004 11:54 AM
> To: aeroelectric-list@matronics.com
> Subject: Re: AeroElectric-List: Stereo amp.
>
>
> --> AeroElectric-List message posted by: "Bill Hibbing"
> --> <n744bh@bellsouth.net>
>
> Larry,
> Check the specs on your stereo for the output voltage of the
> preamp, it could be anywhere from 0.5 to maybe 5.0 or better.
> As long as the specs give you 3.0V or less you should be OK.
> Also, check the squelch controls on your intercom and make
> sure that they are set high enough that the intercom isn't
> muting. I had the same problem and found that my copilots
> squelch was not set high enough and was muting everything but
> the com radio even though there was no headset connected to
> those copilot jack plugs. Bill Glasair
> ----- Original Message -----
> From: "Larry Bowen" <Larry@BowenAero.com>
> To: <aeroelectric-list@matronics.com>
> Subject: AeroElectric-List: Stereo amp.
>
>
> > --> AeroElectric-List message posted by: "Larry Bowen"
> <Larry@BowenAero.com>
> >
> > I ran the music input on my NAT intercom to a 3.5mm jack. I turned
> > the pot adjustment on the intercom to max. But each of the three
> > audio devices I've tested as music input are very weak. Judging by
> > the archives I'm not alone. I searched the internet for "walkman
> > amps" and came across this:
> >
> > http://www.hobbytron.net/CK154A.html
> >
> > Think this will help the situation?
> >
> > There is a hand-written note in the intercom installation
> manual I got
> > from NAT that notes the music in source should be 3v p-p (1v RMS).
> > This doesn't mean much to me, but if someone could
> translate, it might
> > provide some clues.
> >
> > Thanks.
> >
> > -
> > Larry Bowen
> > Larry@BowenAero.com
> > http://BowenAero.com
> >
> >
>
>
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Message 18
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| Subject: | Re: Low Density 9-PIN D-Sub Dust cover.... |
--> AeroElectric-List message posted by: Charlie & Tupper England <cengland@netdoor.com>
Jack Lockamy wrote:
>--> AeroElectric-List message posted by: "Jack Lockamy" <jacklockamy@att.net>
>
>I'm not sure there is such a thing..... a black plastic cover for 9-PIN D-Sub
connectors.. but I am curious if anyone has a known source for such an item.
>
>I am planning to install 9-PIN D-Sub connectors on my instrument panel so I can
run a serial data cable to a laptop computer and record GRT EIS data and calibrate/update
the Dynon EFIS-D10 data. Leaving the D-subs exposed on the panel
is un-sitely and I would like to have black plastic covers to mask these and
keep dirt/dust away from the exposed pins. More of a cosmetic thing than anything
else.....
>
>Any links, part nos. or manufacturer's phone number would be greatly appreciated...
>
>TIA,
>Jack Lockamy
>Camarillo, CA
>RV-7A N174JL reserved
>www.jacklockamy.com
>
Hi Jack,
Since esthetics is important, why not just hide the connectors
completely? A bracket mounted horizontally to the bottom edge of the
panel would allow the connector to mount behind the panel pointed down,
even with the bottom of the panel. Easily accessible but no panel real
estate used & no cover needed. If you need locking connectors you can
get spring loaded 'bales' that snap onto the sides of the cord end
connector.
Charlie
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