Today's Message Index:
----------------------
1. 06:03 AM - Re: Firewall penetrations (N5SL)
2. 07:16 AM - Firewall penetrations (Glen Matejcek)
3. 07:49 AM - Re: Firewall penetrations (Hinde, Frank George (Corvallis))
4. 09:01 AM - Audio wiring (Hinde, Frank George (Corvallis))
5. 09:08 AM - gamin avionics (Jim Stone)
6. 09:34 AM - Re: Firewall penetrations (Fiveonepw@aol.com)
7. 09:36 AM - Re: Audio wiring (Bill Denton)
8. 09:47 AM - Re: gamin avionics (Stewart, Michael (ISS Atlanta))
9. 09:50 AM - Re: Firewall penetrations (John Schroeder)
10. 10:10 AM - Re: Audio wiring (Hinde, Frank George (Corvallis))
11. 10:12 AM - Re: gamin avionics (John Schroeder)
12. 11:29 AM - Cell Phone (Hinde, Frank George (Corvallis))
13. 12:16 PM - Re: Cell Phone (Lloyd, Daniel R.)
14. 12:25 PM - Recommendations for automotive alternators (Jon Goguen)
15. 01:17 PM - Re: Recommendations for automotive alternators (James H Nelson)
16. 01:21 PM - Re: Recommendations for automotive (PWilson)
17. 02:10 PM - Re: Firewall penetrations (sportav8r@aol.com)
18. 02:28 PM - Re: Cell Phone (John Schroeder)
19. 02:54 PM - Re: Cell Phone (Hinde, Frank George (Corvallis))
20. 03:13 PM - Re: Firewall penetrations (RV Builder (Michael Sausen))
21. 03:34 PM - Re: Firewall penetrations (Hinde, Frank George (Corvallis))
22. 03:40 PM - Re: Cell Phone (RV Builder (Michael Sausen))
23. 04:13 PM - Re: gamin avionics (Roger Evenson)
24. 04:29 PM - Re: Cell Phone (Greg Young)
25. 05:53 PM - Re: Cell Phone (Jeff)
26. 08:14 PM - Re: Firewall penetrations (Richard E. Tasker)
Message 1
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Subject: | Re: Firewall penetrations |
--> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
Hi John:
Thanks for the link and the tip. Part number 7529K31 is the aluminum equivalent.
Why not use the aluminum chord grip? It's about the same price as the zinc
part. Another question - do you need the accessory kit for mounting it to the
firewall? Here's some text from the McMaster Carr page:
"Temperature range for aluminum is -40 to +300 F; for nylon it's -40 to +225
F; for zinc-plated steel it's -30 to +225 F."
Scott Laughlin
www.cooknwithgas.com
601XL / Corvair
Wiring & Stuff
John Schroeder <jschroeder@perigee.net> wrote:
--> AeroElectric-List message posted by: "John Schroeder"
Frank -
Lancair uses these for firewall penetrations.
http://www.mcmaster.com/ search for part number: 7529K21 These are zinc
coated steel. You can use a piece of fire sleeve around the whole thing
and cinch it in place wi/ safety wire.
John
---------------------------------
Click here to donate to the Hurricane Katrina relief effort.
Message 2
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Subject: | Firewall penetrations |
--> AeroElectric-List message posted by: "Glen Matejcek" <aerobubba@earthlink.net>
Hi Frank-
>Of course there is another small thought I had about the pot metal...I.e
>we have this SS firewall and we make fuel connections through it with
>Aluminium bulkhead connectors....Go figure..Shouldn't we be using steel?
A very good observation. I believe all the usual suppliers carry the appropriate
fittings in steel. Also, if you take a look at any fittings that came on your
mechanical fuel pump and fuel injection system or carb, I believe that you
will see that they are steel. The only aluminum in my fuel system forward of
the firewall are the mechanical pump vent elbow and a short piece of rigid tube
between the bulkhead elbow and the firewall mounted fuel flow transducer.
This, as well as all the fuel and oil hose FWF is jacketed in firesleeve.
Also along those lines, Van's hydraulic reservoir is aluminum, filled with flamable
liquid, and directly penetrates the firewall. Mine will be liberally sealed
to the firewall with intumescent caulk. Probably the biggest offender is
the cabin heat box. A SS flapper doesn't do much good when the aluminum box it's
in melts off the firewall....
Just another .02!
Glen Matejcek
aerobubba@earthlink.net
Message 3
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Subject: | Firewall penetrations |
--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Actually you can get all the fittings in steel from your local
hydraulics shop very inexpensively...I have made a few special fittings
by cutting the ends off two fittings and welding them back together.
Hmm...from your observations Glenn it would seem using the aluminium
cord grips (I happened to find in the scrap bin) would be as good/better
as the weakest points.
Frank
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Glen
Matejcek
Subject: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: "Glen Matejcek"
--> <aerobubba@earthlink.net>
Hi Frank-
>Of course there is another small thought I had about the pot
>metal...I.e we have this SS firewall and we make fuel connections
>through it with Aluminium bulkhead connectors....Go figure..Shouldn't
we be using steel?
A very good observation. I believe all the usual suppliers carry the
appropriate fittings in steel. Also, if you take a look at any fittings
that came on your mechanical fuel pump and fuel injection system or
carb, I believe that you will see that they are steel. The only
aluminum in my fuel system forward of the firewall are the mechanical
pump vent elbow and a short piece of rigid tube between the bulkhead
elbow and the firewall mounted fuel flow transducer. This, as well as
all the fuel and oil hose FWF is jacketed in firesleeve.
Also along those lines, Van's hydraulic reservoir is aluminum, filled
with flamable liquid, and directly penetrates the firewall. Mine will
be liberally sealed to the firewall with intumescent caulk. Probably
the biggest offender is the cabin heat box. A SS flapper doesn't do
much good when the aluminum box it's in melts off the firewall....
Just another .02!
Glen Matejcek
aerobubba@earthlink.net
Message 4
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--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Morning all,
I need to wire up jacks for Sterio music input (1/8th jack), Cell phone
connect (no clue what the connector is) and the Stereo headsets.
I have the mic wiring and am thinking the headset follows the same
format as the mic...i.e the barrel is the ground and the other two pins
are left and right...Correct??
So what does the music and cell phone wiring look like?
Thanks
Frank
Message 5
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--> AeroElectric-List message posted by: "Jim Stone" <jrstone@insightbb.com>
I'm setting up my dimmers and was wondering if I need one for the Garmin stack.
I've got the 480 mfd, sl-40, 330 transponder and their audio panel. Anyone
been down this road before?
Can all 4 boxes be dimmed by a single pot?
Thanks,
Jim
Harmon Rocket II
Message 6
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Subject: | Re: Firewall penetrations |
--> AeroElectric-List message posted by: Fiveonepw@aol.com
In a message dated 10/6/05 9:18:22 AM Central Daylight Time,
aerobubba@earthlink.net writes:
> Also along those lines, Van's hydraulic reservoir is aluminum, filled with
> flamable liquid, and directly penetrates the firewall. Mine will be
> liberally sealed to the firewall with intumescent caulk. Probably the biggest
> offender is the cabin heat box. A SS flapper doesn't do much good when the
> aluminum box it's in melts off the firewall....
>>>
Not sure if it would work for y'all taildragger types, but my brake reservoir
is mounted on the far right cockpit side of the sub-panel where it's easy to
get to (tip-up canopy!) and see (clear plastic reservoir # MTR-100 Matco from
Wicks). Lines drop down from a T on the reservoir to the brake cylinders and
nothing through the firewall. An alternative would be the reservoirs on the
master cylinders (MT-MC5 also from Wicks).
Plus, I made a duplicate cabin heat box and door from stainless, and used a
steel hinge for the door. There's a complete one available on Doug Reeve's
website (I think that's where I saw an ad, but couldn't find it just now), but
it
was very simple to make using Vans parts for patterns...
From The PossumWorks in TN
Mark Phillips - 6A, N51PW, 245 hours
Message 7
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--> AeroElectric-List message posted by: "Bill Denton" <bdenton@bdenton.com>
What will you be wiring them TO? Generally, the installation manual for the
audio panel/intercom/whatever will show you how to wire them.
This might also be of some help:
http://www.ps-engineering.com/docs/PMA8000_Wire.pdf
It shows how the phone and music jacks are wired on this particular unit,
but I think the wiring is pretty standardized.
Good luck...
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Hinde,
Frank George (Corvallis)
Subject: AeroElectric-List: Audio wiring
--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)"
<frank.hinde@hp.com>
Morning all,
I need to wire up jacks for Sterio music input (1/8th jack), Cell phone
connect (no clue what the connector is) and the Stereo headsets.
I have the mic wiring and am thinking the headset follows the same
format as the mic...i.e the barrel is the ground and the other two pins
are left and right...Correct??
So what does the music and cell phone wiring look like?
Thanks
Frank
Message 8
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--> AeroElectric-List message posted by: "Stewart, Michael (ISS Atlanta)" <mstewart@iss.net>
They have photo light sensing cells and dim automatically. Except for
the SL40.
Mike
Do not archive
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Jim
Stone
Subject: AeroElectric-List: gamin avionics
--> AeroElectric-List message posted by: "Jim Stone"
<jrstone@insightbb.com>
I'm setting up my dimmers and was wondering if I need one for the Garmin
stack. I've got the 480 mfd, sl-40, 330 transponder and their audio
panel. Anyone been down this road before?
Can all 4 boxes be dimmed by a single pot?
Thanks,
Jim
Harmon Rocket II
Message 9
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Subject: | Re: Firewall penetrations |
--> AeroElectric-List message posted by: "John Schroeder" <jschroeder@perigee.net>
Scott -
Yes, you do need the accessory kit for some of the fittings. I don't know
why we went with the zinc coated steel fittings instead of the aluminum. I
did not register on that info on temperatures. Intuitively, I would have
thought that steel has a higher temp rating than aluminum. Perhaps the AL
is an alloy that can take more heat.
Cheers,
John
On Thu, 6 Oct 2005 06:01:32 -0700 (PDT), N5SL <nfivesl@yahoo.com> wrote:
> Another question - do you need the accessory kit for mounting it
> to the firewall?
--
Message 10
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--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Cool...I have the tray for the PMA7000b...Bought the trays and harness
but delaying the purchase of the actual units cus I'm a tight wad.
Forgot the manuals were on line.
Thanks
Frank
Do not archive
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Bill
Denton
Subject: RE: AeroElectric-List: Audio wiring
--> AeroElectric-List message posted by: "Bill Denton"
--> <bdenton@bdenton.com>
What will you be wiring them TO? Generally, the installation manual for
the audio panel/intercom/whatever will show you how to wire them.
This might also be of some help:
http://www.ps-engineering.com/docs/PMA8000_Wire.pdf
It shows how the phone and music jacks are wired on this particular
unit, but I think the wiring is pretty standardized.
Good luck...
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Hinde,
Frank George (Corvallis)
Subject: AeroElectric-List: Audio wiring
--> AeroElectric-List message posted by: "Hinde, Frank George
(Corvallis)"
<frank.hinde@hp.com>
Morning all,
I need to wire up jacks for Sterio music input (1/8th jack), Cell phone
connect (no clue what the connector is) and the Stereo headsets.
I have the mic wiring and am thinking the headset follows the same
format as the mic...i.e the barrel is the ground and the other two pins
are left and right...Correct??
So what does the music and cell phone wiring look like?
Thanks
Frank
Message 11
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Subject: | Re: gamin avionics |
--> AeroElectric-List message posted by: "John Schroeder" <jschroeder@perigee.net>
Jim -
The only one that needs a dimmer is the 340. One circuit runs the
backlighting on the buttons and may need a dimmer. The rest dim with a
photo cell.
John
On Thu, 6 Oct 2005 12:08:03 -0400, Jim Stone <jrstone@insightbb.com> wrote:
> --> AeroElectric-List message posted by: "Jim Stone"
> <jrstone@insightbb.com>
>
> I'm setting up my dimmers and was wondering if I need one for the Garmin
> stack. I've got the 480 mfd, sl-40, 330 transponder and their audio
> panel. Anyone been down this road before?
> Can all 4 boxes be dimmed by a single pot?
> Thanks,
> Jim
> Harmon Rocket II
>
>
--
Message 12
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--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Hi all,
Just checked with radio Shack and they tell me you can't connect a cell
phone to an audio panel like I want to. I find this hard to believe and
was about to wire in a standard 3/32nd phone jack but the guy told me
you can't get a cable to go between the cell phone and the jack and it
won't work anyway.
Seems very odd, I mean how do hands free set ups work then?
So has anyone wired their cell phones into their audio panels using a
standard 3/32nd jack sucessfully?
Note I have no intention of using the phone while arborne, just my Wife
often likes to make a call just before take off...Don't ask why...:)
Message 13
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--> AeroElectric-List message posted by: "Lloyd, Daniel R." <LloydDR@wernerco.com>
The guy you got was clueless as is most of the counter help at radio
sh**, they used to be a good store, now they just sell crap. There are
cell phone interfaces, because I have two of them and they were
delivered with my Lightspeed headsets, and they just plug into a regular
stereo mini jack, it is the cable that is unique for each model of
phone. I would recommend you call lightspeed, they have always been real
helpful when I have talked with them.
Dan
Do not archive
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Hinde, Frank George (Corvallis)
Subject: AeroElectric-List: Cell Phone
--> AeroElectric-List message posted by: "Hinde, Frank George
(Corvallis)" <frank.hinde@hp.com>
Hi all,
Just checked with radio Shack and they tell me you can't connect a cell
phone to an audio panel like I want to. I find this hard to believe and
was about to wire in a standard 3/32nd phone jack but the guy told me
you can't get a cable to go between the cell phone and the jack and it
won't work anyway.
Seems very odd, I mean how do hands free set ups work then?
So has anyone wired their cell phones into their audio panels using a
standard 3/32nd jack sucessfully?
Note I have no intention of using the phone while arborne, just my Wife
often likes to make a call just before take off...Don't ask why...:)
Message 14
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Subject: | Recommendations for automotive alternators |
--> AeroElectric-List message posted by: Jon Goguen <jon.goguen@umassmed.edu>
We're considering building our own vacuum pad driven alternator set up
for a Rotax 912S. (The Rotax external alternator doesn't fit without
extensive cowl modifications, and exisiting vacuum pad mount alternator
options either have inadequate output due to low rpm of the drive (B&C
systems) or have unverified output specs.) The basic idea is to mount
a pulley on the pump pad, and use it to drive an external automotive
alternator at 2-3 x the pump drive rpm. A 30-40 amp alternator is
sufficient, and would ideally be small, light, and externally
regulated, although we haven't rejected the internal regulation
option. Anyone have specific recommendations regarding the available
alternator models?
Thanks!
Jon
Jon Goguen
jon.goguen@umassmed.edu
Central Massachusetts
Kitfox Series V Rotax 912S / N456JG (reserved)
Complete except for electrics and avionics
"Nothing worth knowing can be understood by the human mind"
--Woody Allen
On Oct 6, 2005, at 9:01 AM, N5SL wrote:
> --> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
>
> Hi John:
>
> Thanks for the link and the tip. Part number 7529K31 is the aluminum
> equivalent. Why not use the aluminum chord grip? It's about the same
> price as the zinc part. Another question - do you need the accessory
> kit for mounting it to the firewall? Here's some text from the
> McMaster Carr page:
>
> "Temperature range for aluminum is -40 to +300 F; for nylon it's -40
> to +225 F; for zinc-plated steel it's -30 to +225 F."
>
> Scott Laughlin
> www.cooknwithgas.com
> 601XL / Corvair
> Wiring & Stuff
>
> John Schroeder <jschroeder@perigee.net> wrote:
> --> AeroElectric-List message posted by: "John Schroeder"
>
> Frank -
>
> Lancair uses these for firewall penetrations.
>
> http://www.mcmaster.com/ search for part number: 7529K21 These are zinc
> coated steel. You can use a piece of fire sleeve around the whole thing
> and cinch it in place wi/ safety wire.
>
> John
>
>
> ---------------------------------
> Click here to donate to the Hurricane Katrina relief effort.
>
>
Message 15
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Subject: | Re: Recommendations for automotive alternators |
--> AeroElectric-List message posted by: James H Nelson <rv9jim@juno.com>
Jon,
Get on the Europa e-mail list, I designed and built a direct
drive for a 40A alternator that ran off the back side of the engine
(912S). I built an Europa mono wheel and wanted more power. I gave my
drawings and instructions on how to do it to one of the guys who copied
mine. It takes a bit of time but it all fits. I used a IFIR (internal
fan, int. reg.) automotive unit that bolted up to the crank at the
flywheel. Used a B&C regulator as I modified the alternator to a "B" lead
config. The alternator was coupled through a sureflex coupling 3S size
(only Martin sprocket and Gear will work) for the emergency sheer point.
Ran great. I had mine for two years and 85 hours of trouble free useage.
Can be done but requires time and machine work on the mounting plate ect.
Jim Nelson
Message 16
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Subject: | Re: Recommendations for automotive |
alternators
--> AeroElectric-List message posted by: PWilson <pwmac@sisna.com> alternators
How about the John Deere PM unit?
http://home.hiwaay.net/~langford/corvair/dynamo.html
I am tied up now but am sure interested in what you describe. keep
us up to date.
Regards, Paul
========================
At 01:24 PM 10/6/2005, you wrote:
>--> AeroElectric-List message posted by: Jon Goguen <jon.goguen@umassmed.edu>
>
>We're considering building our own vacuum pad driven alternator set up
>for a Rotax 912S. (The Rotax external alternator doesn't fit without
>extensive cowl modifications, and exisiting vacuum pad mount alternator
>options either have inadequate output due to low rpm of the drive (B&C
>systems) or have unverified output specs.) The basic idea is to mount
>a pulley on the pump pad, and use it to drive an external automotive
>alternator at 2-3 x the pump drive rpm. A 30-40 amp alternator is
>sufficient, and would ideally be small, light, and externally
>regulated, although we haven't rejected the internal regulation
>option. Anyone have specific recommendations regarding the available
>alternator models?
>
>Thanks!
>
>Jon
>
>Jon Goguen
>jon.goguen@umassmed.edu
>Central Massachusetts
>Kitfox Series V Rotax 912S / N456JG (reserved)
>Complete except for electrics and avionics
>
>"Nothing worth knowing can be understood by the human mind"
>--Woody Allen
>On Oct 6, 2005, at 9:01 AM, N5SL wrote:
>
> > --> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
> >
> > Hi John:
> >
> > Thanks for the link and the tip. Part number 7529K31 is the aluminum
> > equivalent. Why not use the aluminum chord grip? It's about the same
> > price as the zinc part. Another question - do you need the accessory
> > kit for mounting it to the firewall? Here's some text from the
> > McMaster Carr page:
> >
> > "Temperature range for aluminum is -40 to +300 F; for nylon it's -40
> > to +225 F; for zinc-plated steel it's -30 to +225 F."
> >
> > Scott Laughlin
> > www.cooknwithgas.com
> > 601XL / Corvair
> > Wiring & Stuff
> >
> > John Schroeder <jschroeder@perigee.net> wrote:
> > --> AeroElectric-List message posted by: "John Schroeder"
> >
> > Frank -
> >
> > Lancair uses these for firewall penetrations.
> >
> > http://www.mcmaster.com/ search for part number: 7529K21 These are zinc
> > coated steel. You can use a piece of fire sleeve around the whole thing
> > and cinch it in place wi/ safety wire.
> >
> > John
> >
> >
> > ---------------------------------
> > Click here to donate to the Hurricane Katrina relief effort.
> >
> >
>
>
Message 17
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Subject: | Re: Firewall penetrations |
--> AeroElectric-List message posted by: sportav8r@aol.com
Makes one wonder what they mean by a "temperature rating;" it certainly can't be
a melting point. 225 F is just barely above the boiling point of water. Try
to imagine a steel that fails at that temp. Aluminum aircraft cylinders hold
up well at 450 degree cht's; mild steel exhausts work into the 1500 degree range.
Are we to believe they have made a nylon that withstands the same temp
extremes as steel? Or a steel that's as low-melting-point as nylon?
I am merely suggesting we be careful what we swallow from the catalog descriptions
here, as they may not address suitability for our intended use.
-Stormy
-----Original Message-----
From: N5SL <nfivesl@yahoo.com>
Subject: Re: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
Hi John:
Thanks for the link and the tip. Part number 7529K31 is the aluminum
equivalent. Why not use the aluminum chord grip? It's about the same price as
the zinc part. Another question - do you need the accessory kit for mounting it
to the firewall? Here's some text from the McMaster Carr page:
"Temperature range for aluminum is -40 to +300 F; for nylon it's -40 to +225
F; for zinc-plated steel it's -30 to +225 F."
Message 18
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--> AeroElectric-List message posted by: "John Schroeder" <jschroeder@perigee.net>
Frank -
Why don't you buy a set of Lightspeed 20XL or 25XL's (both rehab'ed) from
Lightspeed. They will install a cell phone jack for $75. This is a hell of
a lot simpler than messing with the wiring to an audio panel.
IMHO.
John Schroeder
On Thu, 6 Oct 2005 11:27:31 -0700, Hinde, Frank George (Corvallis)
<frank.hinde@hp.com> wrote:
> So has anyone wired their cell phones into their audio panels using a
> standard 3/32nd jack sucessfully?
--
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--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
I could except that John Stark already wired the audio panel for the
cell phone so (in theory) its simply a case of wiring up the appropriate
jack on the end of the supplied cable and plugging the phone in.
As I said...in theory, plus I'm hoping to keep my current
headsets...we'll see..:)
Thanks
Frank
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Schroeder
Subject: Re: AeroElectric-List: Cell Phone
--> AeroElectric-List message posted by: "John Schroeder"
--> <jschroeder@perigee.net>
Frank -
Why don't you buy a set of Lightspeed 20XL or 25XL's (both rehab'ed)
from Lightspeed. They will install a cell phone jack for $75. This is a
hell of a lot simpler than messing with the wiring to an audio panel.
IMHO.
John Schroeder
On Thu, 6 Oct 2005 11:27:31 -0700, Hinde, Frank George (Corvallis)
<frank.hinde@hp.com> wrote:
> So has anyone wired their cell phones into their audio panels using a
> standard 3/32nd jack sucessfully?
--
Message 20
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Subject: | Firewall penetrations |
--> AeroElectric-List message posted by: "RV Builder (Michael Sausen)" <rvbuilder@sausen.net>
If I had to guess I would say the difference is in the failure temps of the gasket
materials. Because aluminum conducts heat much better than steel, there
is a good chance the nylon/rubber/whatever will stay below it's melting/flash
point longer thus the higher temp rating for the aluminum.
The failure of any one component should be the max temp. Not necessarily of the
whole.
Michael Sausen
-10 #352 Flaps
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of sportav8r@aol.com
Subject: Re: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: sportav8r@aol.com
Makes one wonder what they mean by a "temperature rating;" it certainly can't be
a melting point. 225 F is just barely above the boiling point of water. Try
to imagine a steel that fails at that temp. Aluminum aircraft cylinders hold
up well at 450 degree cht's; mild steel exhausts work into the 1500 degree range.
Are we to believe they have made a nylon that withstands the same temp
extremes as steel? Or a steel that's as low-melting-point as nylon?
I am merely suggesting we be careful what we swallow from the catalog descriptions
here, as they may not address suitability for our intended use.
-Stormy
-----Original Message-----
From: N5SL <nfivesl@yahoo.com>
Subject: Re: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
Hi John:
Thanks for the link and the tip. Part number 7529K31 is the aluminum equivalent.
Why not use the aluminum chord grip? It's about the same price as the zinc
part. Another question - do you need the accessory kit for mounting it to the
firewall? Here's some text from the McMaster Carr page:
"Temperature range for aluminum is -40 to +300 F; for nylon it's -40 to +225 F;
for zinc-plated steel it's -30 to +225 F."
Message 21
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Subject: | Firewall penetrations |
--> AeroElectric-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
The cord caps have a rubber insert in them to clamp on the cord...You
would throw that away in any case.
Frank
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of RV
Builder (Michael Sausen)
Subject: RE: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: "RV Builder (Michael Sausen)"
--> <rvbuilder@sausen.net>
If I had to guess I would say the difference is in the failure temps of
the gasket materials. Because aluminum conducts heat much better than
steel, there is a good chance the nylon/rubber/whatever will stay below
it's melting/flash point longer thus the higher temp rating for the
aluminum.
The failure of any one component should be the max temp. Not
necessarily of the whole.
Michael Sausen
-10 #352 Flaps
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
sportav8r@aol.com
Subject: Re: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: sportav8r@aol.com
Makes one wonder what they mean by a "temperature rating;" it certainly
can't be a melting point. 225 F is just barely above the boiling point
of water. Try to imagine a steel that fails at that temp. Aluminum
aircraft cylinders hold up well at 450 degree cht's; mild steel exhausts
work into the 1500 degree range. Are we to believe they have made a
nylon that withstands the same temp extremes as steel? Or a steel
that's as low-melting-point as nylon?
I am merely suggesting we be careful what we swallow from the catalog
descriptions here, as they may not address suitability for our intended
use.
-Stormy
-----Original Message-----
From: N5SL <nfivesl@yahoo.com>
Subject: Re: AeroElectric-List: Firewall penetrations
--> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
Hi John:
Thanks for the link and the tip. Part number 7529K31 is the aluminum
equivalent. Why not use the aluminum chord grip? It's about the same
price as the zinc part. Another question - do you need the accessory kit
for mounting it to the firewall? Here's some text from the McMaster
Carr page:
"Temperature range for aluminum is -40 to +300 F; for nylon it's -40 to
+225 F; for zinc-plated steel it's -30 to +225 F."
Message 22
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--> AeroElectric-List message posted by: "RV Builder (Michael Sausen)" <rvbuilder@sausen.net>
I would think the easiest thing to do is put a standard size jack in, doesn't
matter what size just pick one that has enough connections (3?). Then depending
on the type of phone, as many have different plugs anyway, you would just have
to take a standard handsfree cord for that phone, chop the earbud end off
and wire it to the mating plug for your standard jack.
Michael Sausen
-10 #352 Flaps
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Hinde, Frank George (Corvallis)
Subject: RE: AeroElectric-List: Cell Phone
--> AeroElectric-List message posted by: "Hinde, Frank George
--> (Corvallis)" <frank.hinde@hp.com>
I could except that John Stark already wired the audio panel for the cell phone
so (in theory) its simply a case of wiring up the appropriate jack on the end
of the supplied cable and plugging the phone in.
As I said...in theory, plus I'm hoping to keep my current headsets...we'll see..:)
Thanks
Frank
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John Schroeder
Subject: Re: AeroElectric-List: Cell Phone
--> AeroElectric-List message posted by: "John Schroeder"
--> <jschroeder@perigee.net>
Frank -
Why don't you buy a set of Lightspeed 20XL or 25XL's (both rehab'ed) from Lightspeed.
They will install a cell phone jack for $75. This is a hell of a lot simpler
than messing with the wiring to an audio panel.
IMHO.
John Schroeder
On Thu, 6 Oct 2005 11:27:31 -0700, Hinde, Frank George (Corvallis) <frank.hinde@hp.com>
wrote:
> So has anyone wired their cell phones into their audio panels using a
> standard 3/32nd jack sucessfully?
--
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Subject: | Re: gamin avionics |
--> AeroElectric-List message posted by: "Roger Evenson" <revenson@comcast.net>
Check your 330 manual. I think dimming is built in to that unit based on
ambient light.
----- Original Message -----
From: "Jim Stone" <jrstone@insightbb.com>
Subject: AeroElectric-List: gamin avionics
> --> AeroElectric-List message posted by: "Jim Stone"
> <jrstone@insightbb.com>
>
> I'm setting up my dimmers and was wondering if I need one for the Garmin
> stack. I've got the 480 mfd, sl-40, 330 transponder and their audio
> panel. Anyone been down this road before?
> Can all 4 boxes be dimmed by a single pot?
> Thanks,
> Jim
> Harmon Rocket II
>
>
>
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--> AeroElectric-List message posted by: "Greg Young" <gyoung@cs-sol.com>
Most, if not all, cell phones now use the same earphone jack and wiring.
Nokia used to be an oddball with a 4 section plug but they switched over
a couple years ago. Use the same mini-jack as your phone and use a
straight thru patch cord. Stark should have labeled the wires (ringer,
phone & mic IIRC) and should know what section of the jack each goes to.
Greg Young
Ps - my audio panel supports a phone but the connection thru my
Lightspeed 30-3G is just too convenient to fool with it. Quality is so
good no one knows I'm in the plane.
>
> --> AeroElectric-List message posted by: "Hinde, Frank George
> --> (Corvallis)" <frank.hinde@hp.com>
>
> I could except that John Stark already wired the audio panel
> for the cell phone so (in theory) its simply a case of wiring
> up the appropriate jack on the end of the supplied cable and
> plugging the phone in.
>
> As I said...in theory, plus I'm hoping to keep my current
> headsets...we'll see..:)
>
> Thanks
>
> Frank
>
>
> --> AeroElectric-List message posted by: "John Schroeder"
> --> <jschroeder@perigee.net>
>
> Frank -
>
> Why don't you buy a set of Lightspeed 20XL or 25XL's (both
> rehab'ed) from Lightspeed. They will install a cell phone
> jack for $75. This is a hell of a lot simpler than messing
> with the wiring to an audio panel.
>
> IMHO.
>
> John Schroeder
>
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--> AeroElectric-List message posted by: "Jeff" <jdalton77@comcast.net>
There's a neat adapter you can buy called "safety Cell" that works well. It
has both an amplified and non-amplified versions (for you guys who have
quiet planes)
----- Original Message -----
From: "John Schroeder" <jschroeder@perigee.net>
Subject: Re: AeroElectric-List: Cell Phone
> --> AeroElectric-List message posted by: "John Schroeder"
> <jschroeder@perigee.net>
>
> Frank -
>
> Why don't you buy a set of Lightspeed 20XL or 25XL's (both rehab'ed) from
> Lightspeed. They will install a cell phone jack for $75. This is a hell of
> a lot simpler than messing with the wiring to an audio panel.
>
> IMHO.
>
> John Schroeder
>
>
> On Thu, 6 Oct 2005 11:27:31 -0700, Hinde, Frank George (Corvallis)
> <frank.hinde@hp.com> wrote:
>
>> So has anyone wired their cell phones into their audio panels using a
>> standard 3/32nd jack sucessfully?
>
>
> --
>
>
>
Message 26
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Subject: | Re: Firewall penetrations |
--> AeroElectric-List message posted by: "Richard E. Tasker" <retasker@optonline.net>
I believe the rating has more to do with the insert than the body
material. These parts have an insert of some type that clamps onto the
wires when the grip is tightened. We use similar parts at my company
and you can get all sorts of inserts that have temperature ratings all
over the map. The bodies are not the limiting factors, with the
exception of the nylon one.
Dick Tasker
sportav8r@aol.com wrote:
>--> AeroElectric-List message posted by: sportav8r@aol.com
>
>Makes one wonder what they mean by a "temperature rating;" it certainly can't
be a melting point. 225 F is just barely above the boiling point of water. Try
to imagine a steel that fails at that temp. Aluminum aircraft cylinders hold
up well at 450 degree cht's; mild steel exhausts work into the 1500 degree
range. Are we to believe they have made a nylon that withstands the same temp
extremes as steel? Or a steel that's as low-melting-point as nylon?
>
>I am merely suggesting we be careful what we swallow from the catalog descriptions
here, as they may not address suitability for our intended use.
>
>-Stormy
>
>-----Original Message-----
>From: N5SL <nfivesl@yahoo.com>
>To: aeroelectric-list@matronics.com
>Subject: Re: AeroElectric-List: Firewall penetrations
>
>
>--> AeroElectric-List message posted by: N5SL <nfivesl@yahoo.com>
>
>Hi John:
>
>Thanks for the link and the tip. Part number 7529K31 is the aluminum
>equivalent. Why not use the aluminum chord grip? It's about the same price as
>the zinc part. Another question - do you need the accessory kit for mounting it
>to the firewall? Here's some text from the McMaster Carr page:
>
>"Temperature range for aluminum is -40 to +300 F; for nylon it's -40 to +225
>F; for zinc-plated steel it's -30 to +225 F."
>
>
>
>
--
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