Today's Message Index:
----------------------
1. 06:12 AM - Re: Microair 706 and Audio Iso Amp (Robert L. Nuckolls, III)
2. 06:14 AM - Re: Contactors (Robert L. Nuckolls, III)
3. 07:40 AM - coax squisher (Joa Harrison)
4. 08:42 AM - Re: Re: Microair 706 and Audio Iso Amp <5.0.0.25.2.20031023191756.01a06c60@pop.central.cox.net> (Richard Tasker)
5. 09:41 AM - Re: coax squisher (Robert L. Nuckolls, III)
6. 09:45 AM - Re: Contactor Question (Charles Brame)
7. 10:31 AM - Re: Substitute for Shoo Goo (Larry Landucci)
8. 10:53 AM - Re: Re: Microair 706 and Audio Iso Amp <5.0.0.25.2.20031023191756.01a06c60@pop.central.cox.net> (Joa Harrison)
9. 10:56 AM - Re: AeroElectric-List Digest: 22 Msgs - 10/23/03 (Nick Gaglia)
10. 11:07 AM - Coax Bulkhead Connector on RV Root Rib (Dwight Frye)
11. 11:14 AM - Re: Dimmers (Mark Phillips)
12. 11:42 AM - Re: Coax Bulkhead Connector on RV Root Rib (F1Rocket@comcast.net)
13. 11:45 AM - Re: Re: AeroElectric-List Digest: 22 Msgs - 10/23/03 (F1Rocket@comcast.net)
14. 11:48 AM - Re: Re: AeroElectric-List Digest: 22 Msgs - 10/23/03 (Terry Watson)
15. 12:17 PM - Re: Substitute for Shoo Goo (Steve Sampson)
16. 12:17 PM - Re: Contactors (Steve Sampson)
17. 01:59 PM - Re: Re: Microair 706 and Audio Iso Amp <5.0.0.25.2.20031023191756.01a06c60@pop.central.cox.net> (Harold Kovac)
18. 02:36 PM - human factors resource (Joa Harrison)
19. 02:37 PM - Re: Substitute for Shoo Goo (Eric M. Jones)
20. 03:21 PM - Re: Re: Substitute for Shoo Goo (John Slade)
21. 03:35 PM - Re: Updated instructions for Audio Iso Amp (J. Oberst)
22. 03:37 PM - Re: Updated instructions for Audio Iso Amp (J. Oberst)
23. 03:38 PM - Re: Garmin GMA340 music volume was: Updated instructions for Audio Iso Amp (J. Oberst)
24. 03:48 PM - Re: Garmin GMA340 music volume was: Updated instructions for Audio Iso Amp (J. Oberst)
25. 05:00 PM - good deal on battery..? (Bob Bittner)
26. 05:15 PM - Re: Re: AeroElectric-List Digest: 22 Msgs - 10/23/03 (Robert McCallum)
27. 07:07 PM - Re: good deal on battery..? (Jim Jewell)
28. 07:33 PM - Re: good deal on battery..? (Robert L. Nuckolls, III)
29. 07:46 PM - Re: human factors resource (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: Microair 706 and Audio Iso Amp |
<5.0.0.25.2.20031023191756.01a06c60@pop.central.cox.net>
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:44 AM 10/24/2003 -0500, you wrote:
>Yessir- here's the reply from Oz:
>
>"G,day mark,
>Sorry you are having radio problems,I have just returned from 2 weeks
>leave,hence the delay in reply.It seems from your description you may have a
>microprocessor problem.Do you think you could replace it if i sent one to
>you.It is a plug in device.
>Regards Ian.G." (Ian Games)
>
>One of their SBs shows the procedure- take off cover, two screws to separate
>front of unit for access, then remove the chip (looks like a PLCC) with
>special
>tongs. Here's the SB:
>
>http://www.microair.com.au//admin/uploads/M760-SB-003(Rev1.0)occur_strange_disp_chara.pdf
>
>I don't have the tongs- digikey K293-ND here:
>[Image]
Interesting! Owner maintained radios. What will they think of
next. There was a time that it was illegal for anyone but the
operator of a filling station to pump gasoline. Now, the only
state I know where that's true is Oregon . . . the Gasoline
Pumper's Union needed to protect jobs. Ever so slowly, folks
who offer goods and services are finding that consumers ARE
capable of and willing to take on new tasks (I seldom use
a manned checkout line at the grocery store and/or Walmart . . .
there are do-it-yerself scanners at both stores).
I am encouraged that Microair has taken this tiny leap
into crafting a cooperative and more useful relationship
with their customers.
>but for almost $30, I think I can carefully pry it out by the corners with a
>couple of small screwdrivers- bad idea, or should I get the tool?
I've never had a tool for this. You're correct that it can be done
by other means with reasonable care.
>Thanks again- Iso Amp on it's way today.
Very good. I'll get to it as soon as I can. Let us
know how the great Microair experiment plays out . . .
Bob . . .
Message 2
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 11:27 PM 10/23/2003 -0400, you wrote:
>--> AeroElectric-List message posted by: "Robinson, Chad"
><crobinson@rfgonline.com>
>
>Bob, speaking of contactors, what do they weigh? It's a small part of the
>setup, I know, but I've been considering things like ground power jacks
>and such and would like to at least have the datum tracked, since I'm
>going to all the trouble to track everything else.
>
>Regards,
>Chad
0.8 pounds for both Van's Cole-Hersee and B&C's
S702-1
Bob . . .
Message 3
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--> AeroElectric-List message posted by: Joa Harrison <flyasuperseven@yahoo.com>
A friend let me borrow a ratcheting type coax crimper. It is made for RG type
cable 6,58,59,62,141,142 and has hex crimps .324", .256", .213", and .068" (pin).
Will this work adequately for the RG-400 wire and BNC male connectors I got
from B&C?
Thanks folks!
Joa
Rans Super-7
"mounted a wing last night and she's starting to look like she can fly!"
---------------------------------
Message 4
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--> AeroElectric-List message posted by: Richard Tasker <retasker@optonline.net>
Robert L. Nuckolls, III wrote:
> There was a time that it was illegal for anyone but the
> operator of a filling station to pump gasoline. Now, the only
> state I know where that's true is Oregon . . . the Gasoline
> Pumper's Union needed to protect jobs. Ever so slowly, folk
>
New Jersey is the same - no gasoline dispensing except by the station
attendants.
I didn't realize there was another state with the same silly rules!
Dick Tasker, RV9A, 90573
Fuselage
Do not Archive...
Message 5
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| Subject: | Re: coax squisher |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:39 AM 10/24/2003 -0700, you wrote:
>--> AeroElectric-List message posted by: Joa Harrison
><flyasuperseven@yahoo.com>
>
>
>A friend let me borrow a ratcheting type coax crimper. It is made for RG
>type cable 6,58,59,62,141,142 and has hex crimps .324", .256", .213", and
>.068" (pin). Will this work adequately for the RG-400 wire and BNC male
>connectors I got from B&C?
Yup, .213 and .068 are the dies for that connector.
Bob . . .
Message 6
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| Subject: | Re: Contactor Question |
--> AeroElectric-List message posted by: Charles Brame <charleyb@earthlink.net>
Now why didn't I think of that.
Yes. I do have a battery bus. Tying into a fused slot will be easy. I
will do exactly as you suggest.
Thanks.
Charlie Brame
RV-6A N11CB
San Antonio
-----------------------------
> Time: 01:22:48 PM PST US
> From: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
> Subject: Re: AeroElectric-List: Contactor Question
>
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
>
> At 10:53 AM 10/23/2003 -0500, you wrote:
> >--> AeroElectric-List message posted by: Charles Brame
> ><charleyb@earthlink.net>
> >
> >I have a Van's three terminal Master Contactor. I have two fat wires and
> >a diode attached to the BAT terminal. I need to connect a back up
> >alternator lead to the same terminal, but there ain't no more room. Is
> >there an easy solution other than going to a four terminal contactor?
>
> Hmmm . . . the Cole-Hersee contactors have a fat wire stud
> length about 0.1" shorter than the RBM/Stancore parts from
> B&C . . . it can present a problem with terminal stacking.
>
> Do you have a battery bus? If so, you can tie the aux alternator
> to a fuse slot on the battery bus and eliminate the fusible link.
> I'd go for a 15A fuse in off the battery bus.
>
> Bob . . .
Message 7
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| Subject: | Re: Substitute for Shoo Goo |
--> AeroElectric-List message posted by: Larry Landucci <lllanducci@tds.net>
In our area (Madison, WI) the E6000 adhesive is available at Jo-Ann
Fabrics.
Message 8
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--> AeroElectric-List message posted by: Joa Harrison <flyasuperseven@yahoo.com>
Actually I used to live in Oregon and still own a home there and really like having
my gas pumped for me :) Creates jobs, is better for the environment (w/
properly trained employees), and reduces the chance of a gas station fire by some
static charged lady that gets back into her car while pumping.
Any of you seen the Myth Busters episode where they try to blow up the gasoline
with a static charge off a pair of silk panties (among other things)??? Hilarious
episode! Some of the stuff they do on that show is just crazy and all
of us homebuilt-arky-sparky types can really relate! Would love to have their
job!
Joa
> There was a time that it was illegal for anyone but the
> operator of a filling station to pump gasoline. Now, the only
> state I know where that's true is Oregon . . . the Gasoline
> Pumper's Union needed to protect jobs. Ever so slowly, folk
>
---------------------------------
Message 9
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| Subject: | RE: AeroElectric-List Digest: 22 Msgs - 10/23/03 |
--> AeroElectric-List message posted by: Nick Gaglia <ngaglia@calpine.com>
Does anyone know anything about seat heaters. Like they put in nice cars
these days.
Where to get them
How much do they cost
How much current do the take
Has anyone used them in an experimental
I'm building an RV-8 and I'm told the rear seat can be cold and not easy way
to get heat back there, My wife is already cold blooded and I'm always to
warm. In our car she turns on her seat heater and loves it. So I thought ???
Nick
RV-8
Message 10
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| Subject: | Coax Bulkhead Connector on RV Root Rib |
--> AeroElectric-List message posted by: Dwight Frye <dwight@openweave.org>
I am wanting to run my coax through the wings while it is easy to route
.. while I don't have my bottom skins on yet. This would be on an RV-7
I am wondering if it is a reasonable practice to terminate the coax at a
bulkhead connector on the root rib, or if it is better to just leave a
coil of coax that I can later route into the fuselage?
While the connector would facilitate removal of the wing it does add a
connector to the feedline and (I assume) a possible risk of creating a
problem. I guess my question is ... is a bulkhead connector reliable enough
that it is worth using, or would avoiding it make for a substantially more
reliable antenna feedline?
Thanks!
-- Dwight
Message 11
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--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
Hi Chad-
All of the switch legends on my panel are back lit by clusters of Superbright red LEDs with either 3 or 4 in series (eight of each) with all of them powered/dimmed with this "dimmer": http://www.mpja.com/directview.asp?product=4057+MD ($16) which is a PWM motor controller run by a 555 timer chip. Rated @ 10 amps. Several respected and knowledgeable listers have suggested these "can" be noisy,
but in my case, the radio crapped before I noticed any kind of noise, so I may
not have even had the panel lights on- we'll see when the comm is comming agin'.........
I removed the fwd/rev slider switch and replaced the control pot with a better
quality unit which is remote-mounted on the panel (with it's own LED legend under
it!)
It was a fun kit to put together and works very well- not perfectly linear, but
quite acceptable and all the LEDs stay at the same relative brightness as there
is no variation in voltage to them. They go from barely visible to full bright.
If you'd like photos of them in the light and dark, and a AutoCad drawing,
let me know.
From The PossumWorks in TN
Mark Phillips RV-6A - getting close...........
"Robinson, Chad" wrote:
> > To get relatively uniform dimming/illumination from a linear
> > regulator on a string of LED's you should have them in parallel.
> > Correct?
Message 12
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| Subject: | Re: Coax Bulkhead Connector on RV Root Rib |
--> AeroElectric-List message posted by: F1Rocket@comcast.net
Dwight,
You'll get responses at both ends of the spectrum on this one. I terminated mine
at the wing root not because I thought I would be removing my wings later on,
but because I prefer to finish as much of the airplane in my shop instead of
at the airport. In this part of the county (Indiana), the winters are cold
and the hangars unheated.
A properly crimped coax connector, as well as properly crimped electrical connectors,
create a minimal amount of additional risk. For me, the additional risk
is worth the convenience. In the end, there's nothing out in the wings that
I can't do without during flight should there be an unforseen problem. The airplane
will fly just fine without strobes, landing lights, and my NAV antenna.
And, if I ever have an occasion to remove the wings, a quick twist and turn of
the connectors is all that's needed. I know of several flying friends who had
off-field excursions that required a field removal of the wings to support transportation.
Randy
F1Rocket
http://f1rocket.home.comcast.net/
> --> AeroElectric-List message posted by: Dwight Frye <dwight@openweave.org>
>
> I am wanting to run my coax through the wings while it is easy to route
> .. while I don't have my bottom skins on yet. This would be on an RV-7
>
> I am wondering if it is a reasonable practice to terminate the coax at a
> bulkhead connector on the root rib, or if it is better to just leave a
> coil of coax that I can later route into the fuselage?
>
> While the connector would facilitate removal of the wing it does add a
> connector to the feedline and (I assume) a possible risk of creating a
> problem. I guess my question is ... is a bulkhead connector reliable enough
> that it is worth using, or would avoiding it make for a substantially more
> reliable antenna feedline?
>
> Thanks!
>
> -- Dwight
>
>
>
>
>
>
Message 13
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| Subject: | Re: RE: AeroElectric-List Digest: 22 Msgs - 10/23/03 |
--> AeroElectric-List message posted by: F1Rocket@comcast.net
I believe that some folks have purchased wool seat heater covers from the aviation
department at J. C. Whitney and used them with some success. As long as you
have the current capacity in your airplane to drive these devices, it is a
viable alternative.
For the few times they are actually used, I would receommend that you install them
so that they can be removed on warmer flying days.
Randy
F1 Rocket
http://f1rocket.home.comcast.net/
> --> AeroElectric-List message posted by: Nick Gaglia <ngaglia@calpine.com>
>
> Does anyone know anything about seat heaters. Like they put in nice cars
> these days.
>
> Where to get them
> How much do they cost
> How much current do the take
> Has anyone used them in an experimental
>
>
> I'm building an RV-8 and I'm told the rear seat can be cold and not easy way
> to get heat back there, My wife is already cold blooded and I'm always to
> warm. In our car she turns on her seat heater and loves it. So I thought ???
>
> Nick
> RV-8
>
>
>
>
>
>
Message 14
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| Subject: | RE: AeroElectric-List Digest: 22 Msgs - 10/23/03 |
--> AeroElectric-List message posted by: "Terry Watson" <terry@tcwatson.com>
Nick,
There should be quite a bit about seat heaters in the Matronics RV list
archives.
Terry
Do not archive
> AeroElectric-List message posted by: Nick Gaglia <ngaglia@calpine.com>
Does anyone know anything about seat heaters. Like they put in nice cars
these days.
Where to get them
How much do they cost
How much current do the take
Has anyone used them in an experimental
I'm building an RV-8 and I'm told the rear seat can be cold and not easy way
to get heat back there, My wife is already cold blooded and I'm always to
warm. In our car she turns on her seat heater and loves it. So I thought ???
Nick
RV-8
Message 15
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| Subject: | Substitute for Shoo Goo |
--> AeroElectric-List message posted by: "Steve Sampson" <SSampson.SLN21@london.edu>
Bob - a UK customer here if B&C put it on the list! I need to make up a plug
for the MAC servo and fix my shoes! Steve.
PS Concorde was easy for the UK but Shoo Goo is beyond us!
PPS Gilles - if you find a substitute please let me know. Merci beaucoup!
Message 16
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--> AeroElectric-List message posted by: "Steve Sampson" <SSampson.SLN21@london.edu>
Bob many thanks. All makes sense nmow. Steve
Message 17
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--> AeroElectric-List message posted by: "Harold Kovac" <kayce@sysmatrix.net>
I grew up in NJ, It really surprised me that when I left the air in NJ, (it
must be something in the air) I was competent or capable enough to pump my
own gas...the legislature &/or governor should look into this...creating a
state full of incompetents...they have to do something about this
problem...or maybe it's the folks in power who are the incompetents.
Harold...grew up in Bergen County...been away over 30 years & able to do
many things even pumping gas.
----- Original Message -----
From: "Richard Tasker" <retasker@optonline.net>
Subject: Re: AeroElectric-List: Re: Microair 706 and Audio Iso Amp
<5.0.0.25.2.20031023191756.01a06c60@pop.central.cox.net>
> --> AeroElectric-List message posted by: Richard Tasker
<retasker@optonline.net>
>
> Robert L. Nuckolls, III wrote:
>
> > There was a time that it was illegal for anyone but the
> > operator of a filling station to pump gasoline. Now, the only
> > state I know where that's true is Oregon . . . the Gasoline
> > Pumper's Union needed to protect jobs. Ever so slowly, folk
> >
>
> New Jersey is the same - no gasoline dispensing except by the station
> attendants.
>
> I didn't realize there was another state with the same silly rules!
>
> Dick Tasker, RV9A, 90573
> Fuselage
>
> Do not Archive...
>
>
Message 18
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| Subject: | human factors resource |
--> AeroElectric-List message posted by: Joa Harrison <flyasuperseven@yahoo.com>
Maybe this has been listed here before but here's a great resource we use for helping
with cockpit design and may be of interest to some of you when laying out
your panel and electrics....
www.generalaviation.org/download/GAMA10DF.doc
Joa
---------------------------------
Message 19
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| Subject: | RE: Substitute for Shoo Goo |
--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
Holy mackerel! I've been distracted wondering why my wife has a joystick top
with vibration stall warning device in her lingerie drawer (probably my
Christmas present!) so I missed some of this important issue.
Most of the various GOOP products (Household, Plumber's, Automotive,
Amazing, Craftsman, and Shoe GOO) are simply "retail" versions of E6000
industrial adhesive. They contain a more consumer-friendly solvent, but have
the same performance characteristics. Marine GOOP differs only in that it
contains UV inhibitors it's their E6800 industrial adhesive, solvent and
all. Shoo Goo used to be made from a harder resin, but that's not true any
longer. Eclectic Products (manufacturers of Goop) says that if you live in
the U.S. there is a different formula for Goop than in Canada. The Canadian
formula contains perchloroethylene which is a known carcinogenic but is
non-flammable and also does not work quite as well. The U.S. Goop contains
toluene, which although is a flammable solvent, it is not carcinogenic.
Duco (made by Devcon) is made of nitro cellulose with toluene solvent.
Pretty much a tube of rocket fuel it seems to me. It's an older
formulation--most of the newer household goops use styrene monomers. The
solvents may depend on where you buy it.
So in short Shoo Goo is not on the critical materials list. Just buy
anything in the hardware store that says "miracle" and is not a white glue,
a rubber, a cyanoacrylate, or an epoxy. Look for the picture of a teacup
with a broken handle. That's the stuff.
(Various parts of this text brazenly borrow from the internet....)
Regards,
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge MA 01550-2705
Phone (508) 764-2072
Email: emjones@charter.net
BBC reporter on last flight of the Concord---"We're traveling at Mach 2 and
it doesn't feel like it at all!"
Message 20
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| Subject: | RE: Substitute for Shoo Goo |
--> AeroElectric-List message posted by: "John Slade" <sladerj@bellsouth.net>
> Holy mackerel! I've been distracted wondering why my wife has a
> joystick top with vibration stall warning device in her lingerie drawer
Eric,
If she does, it's not for you're plane!
John Slade
Message 21
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| Subject: | Re: Updated instructions for Audio Iso Amp |
--> AeroElectric-List message posted by: "J. Oberst" <joberst@cox-internet.com>
Dan, I don't understand. The instructions I have from a Garmin dealer call
for removing 4 surface-mount resistors from the GMA 340 PC board. How can
you have a switch controlling this?
Jim.
----- Original Message -----
From: "Dan Checkoway" <dan@rvproject.com>
Subject: Re: AeroElectric-List: Updated instructions for Audio Iso Amp
> --> AeroElectric-List message posted by: "Dan Checkoway"
<dan@rvproject.com>
>
> Jim,
>
> I can tell you that the optional gain does work very well on the GMA-340.
> It boosts it more than you might think. I went and installed a little
> toggle switch on my panel to control the boost on/off. You might want to
> give it a shot and try it out before going with a more complicated
solution.
> Just my 2 cents!
>
> )_( Dan
> RV-7 N714D
> http://www.rvproject.com
>
> ----- Original Message -----
> From: "J. Oberst" <joberst@cox-internet.com>
> To: <aeroelectric-list@matronics.com>
> Subject: Re: AeroElectric-List: Updated instructions for Audio Iso Amp
>
>
> > --> AeroElectric-List message posted by: "J. Oberst"
> <joberst@cox-internet.com>
> >
> > Bob, I have a Garmin GMA340 audio panel, and I have installed some mini
> > earphone jacks that go to its music input. Problem is with portable
tape
> or
> > CD players, their output level is far short of what's needed to hear
them
> in
> > the headphones. Garmin has a fix that provides 10dB gain, but that
> doesn't
> > seem to me like it will be enough, so I don't want to start removing
> surface
> > mount resistors to do it. What would be simplest would be to add a
stereo
> > audio amplifier between my panel jacks and the Garmin music input.
> >
> > I saw this post on an audio isolation amplifier, and was wondering if
this
> > is what I need. Or if not, has there been a design (or a simple box I
can
> > buy) discussed before?
> >
> > Thanks.
> >
> > Jim Oberst
> >
> > ----- Original Message -----
> > From: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
> > To: <aeroelectric-list@matronics.com>
> > Subject: AeroElectric-List: Updated instructions for Audio Iso Amp
> >
> >
> > > --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
> > <bob.nuckolls@cox.net>
> > >
> > > I've combed out some errors and added a note (14) to
> > > point out connector pin variations depending on how
> > > the connector is mounted. Download:
> > >
> > > http://www.aeroelectric.com/Catalog/AEC/9009/9009-700D.pdf
> > >
> > > Bob . . .
> > >
> > > --------------------------------------------
> > > ( Knowing about a thing is different than )
> > > ( understanding it. One can know a lot )
> > > ( and still understand nothing. )
> > > ( C.F. Kettering )
> > > --------------------------------------------
> > >
> > >
> >
> >
>
>
Message 22
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| Subject: | Re: Updated instructions for Audio Iso Amp |
--> AeroElectric-List message posted by: "J. Oberst" <joberst@cox-internet.com>
Bob, I will try to find out what the Garmin music input sensitivity is from
them. This is a stereo setup.
How would I check the audio output from these players? If I just play music
and measure
the AC voltage, will it give me an idea, or do I need to hook it up to an
oscilloscope and look for the peak voltage?
Jim.
----- Original Message -----
From: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
Subject: Re: AeroElectric-List: Updated instructions for Audio Iso Amp
> --> AeroElectric-List message posted by: "Robert L. Nuckolls, III"
<bob.nuckolls@cox.net>
>
> At 09:24 PM 10/22/2003 -0500, you wrote:
> >--> AeroElectric-List message posted by: "J. Oberst"
> ><joberst@cox-internet.com>
> >
> >Bob, I have a Garmin GMA340 audio panel, and I have installed some mini
> >earphone jacks that go to its music input. Problem is with portable tape
or
> >CD players, their output level is far short of what's needed to hear them
in
> >the headphones. Garmin has a fix that provides 10dB gain, but that
doesn't
> >seem to me like it will be enough, so I don't want to start removing
surface
> >mount resistors to do it. What would be simplest would be to add a
stereo
> >audio amplifier between my panel jacks and the Garmin music input.
> >
> >I saw this post on an audio isolation amplifier, and was wondering if
this
> >is what I need. Or if not, has there been a design (or a simple box I
can
> >buy) discussed before?
>
> The audio iso amp as configured has a voltage gain of about 1.0
> but it could be higher. Is the music input mono or stereo? Do you
> have a specification for the input sensitivity of this port? In the
> automotive world, aux inputs are on the order of 500 mv rms (1.5v
pk-pk)
> which is in the same ballpark as headset outputs. I'm a bit mystified
> as to why you're having problems.
>
> Bob . . .
>
>
Message 23
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| Subject: | Re: Garmin GMA340 music volume was: Updated instructions |
for Audio Iso Amp
--> AeroElectric-List message posted by: "J. Oberst" <joberst@cox-internet.com>
Roy, thanks for the info, sounds like what I need. I'll look into it.
Jim.
----- Original Message -----
From: <royt.or@netzero.com>
Subject: AeroElectric-List: Garmin GMA340 music volume was: Updated
instructions for Audio Iso Amp
> --> AeroElectric-List message posted by: royt.or@netzero.com
>
>
> Jim, Bob,
>
> I'm using the equivalent of a boostaroo (see http://www.boostaroo.com/)
that I got from Radio Shack for about $20.00. This is ~$30.00 on the
boostaroo web page. (Currently, I can not find this on the Radio Shack web
page.)
>
> This works well for using a portable CD/MP3 player with the Garmin GMA340
in my plane. I plan to try the Garmin update in the future.
>
> Regards,
>
> Roy
>
> CH601HDS, Rotax 912S, All electric panel. 130 hours since first flight on
5/12/03
>
>
Message 24
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| Subject: | Re: Garmin GMA340 music volume was: Updated instructions |
for Audio Iso Amp
--> AeroElectric-List message posted by: "J. Oberst" <joberst@cox-internet.com>
Roy, another question. You say the "equivalent of a boostaroo". The
boostaroo claims only 4db gain with a single output connected. Do you know
if the boostaroo is really equivalent to your device? Can you tell me what
the Radio Shack device is called?
When I plug in my players, I can barely hear them even with volume at max.
Was yours like that, or just "not loud enough"? I'm wondering if I have
something else wrong.
Thanks.
Jim.
----- Original Message -----
From: <royt.or@netzero.com>
Subject: AeroElectric-List: Garmin GMA340 music volume was: Updated
instructions for Audio Iso Amp
> --> AeroElectric-List message posted by: royt.or@netzero.com
>
>
> Jim, Bob,
>
> I'm using the equivalent of a boostaroo (see http://www.boostaroo.com/)
that I got from Radio Shack for about $20.00. This is ~$30.00 on the
boostaroo web page. (Currently, I can not find this on the Radio Shack web
page.)
>
> This works well for using a portable CD/MP3 player with the Garmin GMA340
in my plane. I plan to try the Garmin update in the future.
>
> Regards,
>
> Roy
>
> CH601HDS, Rotax 912S, All electric panel. 130 hours since first flight on
5/12/03
>
>
Message 25
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| Subject: | good deal on battery..? |
10/24/2003 06:59:56 PM,
Serialize complete at 10/24/2003 06:59:56 PM
--> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
Walking through Menard's (a local do-it-yourself type place) yesterday, I
saw one of those handy "jumpstarter" portables for $25.
I figure it was a pretty decent deal.. for that $$, I got a 17AH SLA
battery (7"x7"x3") which they claim can crank 900A, a battery disconnect
switch, a plug-in automatic battery maintainer, a 12V supply cord/lighter
plug, a voltmeter marked for 12V battery monitoring, 6 feet of 4 AWG
high-flex silicone-insulated wire, and some miscellany like a couple
switches, a light, and a circuit breaker.
I've already bought an Odyssey PC680, but otherwise I'd probably build
around this battery of the same size.
Bob B
Message 26
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| Subject: | Re: RE: AeroElectric-List Digest: 22 Msgs - 10/23/03 |
--> AeroElectric-List message posted by: Robert McCallum <robert.mccallum2@sympatico.ca>
Nick Gaglia wrote:
>--> AeroElectric-List message posted by: Nick Gaglia <ngaglia@calpine.com>
>
>Does anyone know anything about seat heaters. Like they put in nice cars
>these days.
>
>Nick
>RV-8
>
>
Nick;
Not exactly what you're looking for but as an alternative to heated
seats you might want to consider these products. I use a heated vest on
my motorcycle in cool weather. Works great.
http://www.gerbing.com/index.htm
Bob McC
Message 27
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| Subject: | Re: good deal on battery..? |
--> AeroElectric-List message posted by: "Jim Jewell" <jjewell@telus.net>
Hi Bob,
Would you tell us what kind of battery cable attachment hardware this
battery uses or requires. Also is there any identification such as
manufacturer, part numbers etc on the battery inside and the "jumpstarter
itself.
I have looked at these units before now but the prices north of the 49th
tend to prohibit the tendency to buy only on speculation.
Jim in Kelowna
----- Original Message -----
From: "Bob Bittner" <rbittner@us.ibm.com>
Subject: AeroElectric-List: good deal on battery..?
> --> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>
> Walking through Menard's (a local do-it-yourself type place) yesterday, I
> saw one of those handy "jumpstarter" portables for $25.
> I figure it was a pretty decent deal.. for that $$, I got a 17AH SLA
> battery (7"x7"x3") which they claim can crank 900A, a battery disconnect
> switch, a plug-in automatic battery maintainer, a 12V supply cord/lighter
> plug, a voltmeter marked for 12V battery monitoring, 6 feet of 4 AWG
> high-flex silicone-insulated wire, and some miscellany like a couple
> switches, a light, and a circuit breaker.
> I've already bought an Odyssey PC680, but otherwise I'd probably build
> around this battery of the same size.
>
> Bob B
>
>
Message 28
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| Subject: | Re: good deal on battery..? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 06:59 PM 10/24/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: Bob Bittner <rbittner@us.ibm.com>
>
>Walking through Menard's (a local do-it-yourself type place) yesterday, I
>saw one of those handy "jumpstarter" portables for $25.
>I figure it was a pretty decent deal.. for that $$, I got a 17AH SLA
>battery (7"x7"x3") which they claim can crank 900A, a battery disconnect
>switch, a plug-in automatic battery maintainer, a 12V supply cord/lighter
>plug, a voltmeter marked for 12V battery monitoring, 6 feet of 4 AWG
>high-flex silicone-insulated wire, and some miscellany like a couple
>switches, a light, and a circuit breaker.
>I've already bought an Odyssey PC680, but otherwise I'd probably build
>around this battery of the same size.
This would be my battery of choice too. I've run across a number of
consumer products that came with a 17 a.h. 3 x 7 x 7 RG battery
already installed. I've even purchased a couple and took them apart
to evaluate the battery.
Both contained no-name batteries with features I could not identify
as any particular manufacturer. The claimed 900A is common for many
of these products and is totally bogus . . . NO 17 a.h. battery
will deliver 8.5 volts or better at more than 500-600 A for the
very best ones I've tested. I think B&C is offering only the
Hawker batteries in this a.h. class and they're always superior
crankers . . . but I don't think I've seen one of these go over
600A under the B&C 8.5v test.
As I recall, they would dump about 250A when loaded to 8.5v
(B&C test protocol) and and just over 200A when loaded to 9v
for 15 seconds (test protocol recommended by my super-duper
SB-5 battery tester). Certainly adequate to crank and engine
when new . . . and probably quite serviceable for a yearly
change-out application.
Wouldn't recommend that these batteries be avoided, I don't
have any data upon which to base a considered recommendation.
I would appreciate it if folks share their experiences with
this genre of RG battery with folks on the list.
Bob . . .
Message 29
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| Subject: | Re: human factors resource |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 02:36 PM 10/24/2003 -0700, you wrote:
>--> AeroElectric-List message posted by: Joa Harrison
><flyasuperseven@yahoo.com>
>
>Maybe this has been listed here before but here's a great resource we use
>for helping with cockpit design and may be of interest to some of you when
>laying out your panel and electrics....
>
>www.generalaviation.org/download/GAMA10DF.doc
Nice find sir! Thanks for turning us onto it. It was interesting
to note how little the document has to say about electrical system
ergonomics . . . less than 1 page out of 92.
Bob . . .
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