Today's Message Index:
----------------------
1. 05:55 AM - Re: Builder documentation on the Web-summary (rwilliams)
2. 06:08 AM - Re: Electric supercharger Specsmanship (Eric M. Jones)
3. 07:21 AM - power supply (Dave von Linsowe)
4. 07:45 AM - Re: power supply (David Swartzendruber)
5. 07:57 AM - Re:Pro Crimper II & hole punches (KahnSG@aol.com)
6. 09:39 AM - Re: Builder documentation on the Web-summary (Robert L. Nuckolls, III)
7. 10:32 AM - Re: Re:Pro Crimper II & hole punches (Larry Bowen)
8. 10:50 AM - Re: Builder documentation on the Web-summary (John Schroeder)
9. 12:54 PM - FM antenna (Mark Phillips)
10. 01:36 PM - Re: Re:Pro Crimper II & hole punches (Don Honabach)
11. 01:37 PM - Re: Re:Pro Crimper II & hole punches (Don Honabach)
12. 04:05 PM - Re: B-Crimp terminals... (Robert L. Nuckolls, III)
13. 04:46 PM - Re: Re:Pro Crimper II & hole punches (William Slaughter)
14. 07:11 PM - Re: FM antenna (Robert L. Nuckolls, III)
15. 07:36 PM - Re: B-Crimp terminals... (Robert L. Nuckolls, III)
16. 07:56 PM - Voltage Regulator (Tom Parks)
17. 08:01 PM - ELT Control Requirements (BAKEROCB@aol.com)
18. 08:19 PM - Contacts for Narco 111 or 112 (Dean Head)
19. 09:20 PM - Fw: Multimeter test adaptor (Rick Fogerson)
20. 10:24 PM - Re: B-Crimp terminals... (Jeff Point)
21. 10:39 PM - Re: Re:Pro Crimper II & hole punches (Don Honabach)
22. 10:42 PM - Re: ELT Control Requirements (Don Honabach)
23. 10:43 PM - AC rated key switch (Jeff Point)
24. 11:20 PM - Re: B-Crimp terminals... (Werner Schneider)
Message 1
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| Subject: | Re: Builder documentation on the Web-summary |
--> AeroElectric-List message posted by: "rwilliams" <rwilliams@C1ama.net>
Do not archive.
Files in the .dxf format generally seem to import and export better than
most. They usually work with DeltaCAD. That program claims to be the
easiest CAD program to learn, and I believe them-even if the company is
called "Midnight Software."
Adobe .pdf files often seem to have such poor resolution that the fine print
is not readable.
Any change future files could be posted in .dxf as well as other formats?
Message 2
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| Subject: | Re: Electric supercharger Specsmanship |
--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
Really good analyses from several people!
The electric turbocharger is ultimately a good idea, but the specs are obviously
a sales gimmick.
It is true that 1/3 HP can move 800 cfm (or more); it can also generate 2 pounds
boost (or two zillion pounds boost), but not at the same time. Still it's not
entirely a scam--little by little electric stuff has been taking the place of
mechanical engine driven stuff and a lot of it looked pretty strange when introduced.
Remember that the engine has an electrical power generator ANYWAY. Then the question
is whether doing the job electrically is lower cost, size and weight, advantageousness
or convenience than doing the job some other way. If everything
were perfect, then grabbing just one spare HP from the alternator would give
you 14.5V at 50 Amps.
Thought-provoking factoid: The 1940-41 Italian Campini-Caproni CC-2 jet aircraft
used a separate reciprocating internal combustion engine to power the jet's
turbo compressor. I speculate that It was done that way because the turbo compressor
was available essentially off the shelf and thus the hot parts were easy
and cheap to make. The thing had an afterburner too. Hmmmmm.................!
Regards,
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge MA 01550-2705
Phone (508) 764-2072
Email: emjones@charter.net
"When they say it's not about money, it's about money.
When they say it's not about sex, it's about sex."
--Dale Bumpers
Message 3
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--> AeroElectric-List message posted by: "Dave von Linsowe" <davevon@tir.com>
Hi guys,
I'm looking for a schematic for a power supply for my ANR headsets that I can hardwire
into the panel. Call me cheap, but I think it can be done for a lot less
than the $80 the manufacturer wants.
Here's what they have to say about their power supply:
Active noise reduction systems require a very stable and clean power supply. Our
panel-mount power supply has 2 voltage regulators, a DC-DC converter for isolation,
and an in-line 1/4 amp fuse.
It's output is 9v. I don't know what the current draw would be.
Thanks,
Dave
Message 4
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--> AeroElectric-List message posted by: "David Swartzendruber" <dswartzendruber@earthlink.net>
Find a datasheet on the web for an LM317 and it will show a recommended
circuit for building a 9V power supply. You can buy LM317's at Radio
Shack, but beware of the pinout given on the back of the package. It
has pins 1 and 3 reversed. Use the pinout given by the datasheet. I
think DigiKey will give you a link to the datasheet. This may not have
the same isolation that your manufacturer's supply is giving. Does
anyone have any comments about how necessary that is?
Dave in Wichita
> --> AeroElectric-List message posted by: "Dave von Linsowe"
> <davevon@tir.com>
>
> I'm looking for a schematic for a power supply for my ANR headsets
that I
> can hardwire into the panel. Call me cheap, but I think it can be
done
> for a lot less than the $80 the manufacturer wants.
>
> Here's what they have to say about their power supply:
>
> Active noise reduction systems require a very stable and clean power
> supply. Our panel-mount power supply has 2 voltage regulators, a DC-DC
> converter for isolation, and an in-line 1/4 amp fuse.
>
> It's output is 9v. I don't know what the current draw would be.
>
> Thanks,
>
> Dave
Message 5
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: KahnSG@aol.com
Where did Don buy the crimper for $120.00?
Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches for
instruments than Greenlee?
Steve
Message 6
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| Subject: | Re: Builder documentation on the Web-summary |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 07:56 AM 7/10/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: "rwilliams" <rwilliams@C1ama.net>
>Files in the .dxf format generally seem to import and export better than
>most. They usually work with DeltaCAD. That program claims to be the
>easiest CAD program to learn, and I believe them-even if the company is
>called "Midnight Software."
>
>Adobe .pdf files often seem to have such poor resolution that the fine print
>is not readable.
>
>Any change future files could be posted in .dxf as well as other formats?
readability issues with .pdf are addressed with later versions
of AutoCAD . . . One can assign line weights within the print
driver definition for any printer including Acrobat Distiller.
This feature is not as effectively controlled with simpler
.pdf generators.
Publishing in .dxf files creates large files. These
are indeed a semi universal format for vector
based drawing files but they're pure ASCII text files that
describe EVERY feature of a drawing. A .dwg file published
in .dxf grows by 2 to 3 times in size. Further, it's still
not an absolute exchange . . . polylines can often loose
thickness data so that things like arrowheads disappear.
I will continue to use Acrobat Distiller with attention
to printability. I test all of my files now. If anyone has
a problem with reading material printed from a .pdf
off my server, let me know what file it is. It may be
an old one that needs some attention to lineweight control.
For those who would like to view and print my published
.dwg files, I've become a registered distributor for
Voloview. You can download this free viewer of AutoCAD
drawings at
http://216.55.140.222/Voloview/vve201setup.exe
It's about 25 Mbytes and takes 2 minutes to download
on a high speed connection.
I've been trying to save .dwg files for publishing
in the oldest AutoCAD format available on my system,
DOS Version R12 I believe. This fomrmat is readable,
editable, and printable by a host of applications including
three different programs distributed on my CD and
downloadable for free at
http://216.55.140.222/CD/AEC8_0.zip
Bob . . .
--------------------------------------------
( Knowing about a thing is different than )
( understanding it. One can know a lot )
( and still understand nothing. )
( C.F. Kettering )
--------------------------------------------
Message 7
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: "Larry Bowen" <Larry@bowenaero.com>
Avery Tools. $15 rental for the panel punch.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
KahnSG@aol.com said:
> --> AeroElectric-List message posted by: KahnSG@aol.com
>
> Where did Don buy the crimper for $120.00?
>
> Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches for
> instruments than Greenlee?
>
> Steve
Message 8
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| Subject: | Re: Builder documentation on the Web-summary |
--> AeroElectric-List message posted by: John Schroeder <jschroeder@perigee.net>
Bob -
I tried to import your Z-14FADEC.pdf file into my full up Acrobat v5.0
program. It is very fuzzy and poor quality compared to your other .pdf
files. I then saved it and tried to import it into CorelDraw to get it into
.dxf format. This has worked very well in the past. However, when I pull up
the .dxf file in AutoCAD 2000LT, the drawing is still fuzzy and full of
artifacts. All of the lines and most of the text are composed of
polylines!! This is very strange and definitely not the same quality
translation of some of your files I've been able to obtain in the past. It
might be a case of too much line weight control.:-))
Could you post the Z-14FADEC in a dwg format on your website? Much obliged.
John
PS: did you get the aerosance .dwg files
>
> I will continue to use Acrobat Distiller with attention
> to printability. I test all of my files now. If anyone has
> a problem with reading material printed from a .pdf
> off my server, let me know what file it is. It may be
> an old one that needs some attention to line weight control.
Message 9
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--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
Howdy A-list-
I am toying with putting an FM antenna on top of the VS hidden inside
the tips- the base would be attached to the front of the top rib of the
VS, get bent back 90 degrees and pass through a small hole in the front
of the rudder tip extending to the rear of it. Total length would be
about 23". Would perhaps require a smaller diameter wire for
flexibility. (sources for such a wire?)
Would this even work, or is a ground plane necessary? Any thoughts
appreciated!
What have y'all done for FM reception that does not require another wire
poking out of the fuse somewhere?
From The PossumWorks and do not archive these silly questions...
Mark
Message 10
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: "Don Honabach" <don@pcperfect.com>
Steve,
I bought it at www.digikey.com
Part # A9821-ND
Includes the AMP Pro Crimper II, Red/Blue/Yellow PIDG Die, and an
assortment of PIDG connectors.
Cost was $112.50 plus shipping.
Don
-----Original Message-----
From: KahnSG@aol.com [mailto:KahnSG@aol.com]
Subject: AeroElectric-List: Re:Pro Crimper II & hole punches
--> AeroElectric-List message posted by: KahnSG@aol.com
Where did Don buy the crimper for $120.00?
Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches for
instruments than Greenlee?
Steve
direct advertising on the Matronics Forums.
Message 11
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: "Don Honabach" <don@pcperfect.com>
Steve,
I'm not sure what Greenlee charges, but I know that you can also buy
them from Avery Tools and the like. If memory is working, they're around
$100 to $200 for a unit that will do both.
Don
-----Original Message-----
From: Larry Bowen [mailto:Larry@BowenAero.com]
Subject: Re: AeroElectric-List: Re:Pro Crimper II & hole punches
--> AeroElectric-List message posted by: "Larry Bowen"
--> <Larry@bowenaero.com>
Avery Tools. $15 rental for the panel punch.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
KahnSG@aol.com said:
> --> AeroElectric-List message posted by: KahnSG@aol.com
>
> Where did Don buy the crimper for $120.00?
>
> Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches
> for instruments than Greenlee?
>
> Steve
direct advertising on the Matronics Forums.
Message 12
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| Subject: | Re: B-Crimp terminals... |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 02:39 PM 7/9/2003 -0700, you wrote:
>--> AeroElectric-List message posted by: "I-Blackler, Wayne R"
><wayne.blackler@boeing.com>
>
>Bob,
>
>I'm trying to source the B-crimp style terminals used in connectors for
>B&C (and similar) alternator field connections. I've tried everywhere from
>Radio Shack to Digikey.. I'm probably searching using the wrong name.. Can
>you advise a name, P/N and/or source?
>
>Rgds
>
>Wayne Blackler
"b-crimp" . . . the term I know is applied to the manner in
which this tool:
http://www.bandc.biz/BCT1info.html
folds the wings of a sheet metal pin down on the wire
as described in this article on Mate-n-Lock connectors:
http://216.55.140.222/articles/matenlok/matenlok.html
Note the shape of the female side of the die in first
photo of the article. The "butt-cheeks" shape of the
die produces the "b" shaped crimp around the wire strands.
Terminals that mate with the B&C alternator field connections
are 1/4" Fast-On tab terminals described at
http://www.aeroelectric.com/articles/faston3.pdf
and sold down near the bottom of the page at:
http://www.bandc.biz/cgi-bin/ez-catalog/cat_display.cgi?12X358218
Bob . . .
Message 13
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: "William Slaughter" <willslau@alumni.rice.edu>
Chief Aircraft has the Pro Crimper II on their online catalog for $95, but
it's a little tricky to find. Use the search function for "terminals", then
click on the "wiring terminals" line of the search results and scroll down.
www.chiefaircraft.com
William Slaughter
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Larry
Bowen
Subject: Re: AeroElectric-List: Re:Pro Crimper II & hole punches
--> AeroElectric-List message posted by: "Larry Bowen" <Larry@bowenaero.com>
Avery Tools. $15 rental for the panel punch.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
KahnSG@aol.com said:
> --> AeroElectric-List message posted by: KahnSG@aol.com
>
> Where did Don buy the crimper for $120.00?
>
> Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches for
> instruments than Greenlee?
>
> Steve
Message 14
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 02:52 PM 7/10/2003 -0600, you wrote:
>--> AeroElectric-List message posted by: Mark Phillips <ripsteel@edge.net>
>
>Howdy A-list-
>
>I am toying with putting an FM antenna on top of the VS hidden inside
>the tips- the base would be attached to the front of the top rib of the
>VS, get bent back 90 degrees and pass through a small hole in the front
>of the rudder tip extending to the rear of it. Total length would be
>about 23". Would perhaps require a smaller diameter wire for
>flexibility. (sources for such a wire?)
>
>Would this even work, or is a ground plane necessary? Any thoughts
>appreciated!
>
>What have y'all done for FM reception that does not require another wire
>poking out of the fuse somewhere?
>
> From The PossumWorks and do not archive these silly questions...
You're plowing new ground here. You'll just have to try it and
see how well it works. The coax feedline to automotive antennas
is a very low capacity, high impedance stuff that accommodates
unique requirements of an AM receiver to work well with an antenna
that is VERY short with respect to operating frequency.
As long as all you're interested in is the FM reception,
you can probably use plain-vanilla, 50-ohm coax.
A 1/4-wave antenna for FM reception is about 28" long
. . . I'd use a piece of wire this long and zig-zag it
as needed to compress its length into the 23" space.
Ground the coax shield to the vertical fin.
This is certainly a compromise antenna but given the relatively
high power output of FM stations and excellent vantage
point for line-of-sight reception, what you propose
may work well enough.
Bob . . .
Message 15
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| Subject: | Re: B-Crimp terminals... |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 01:58 AM 7/10/2003 -0500, you wrote:
>--> AeroElectric-List message posted by: Jeff Point <jpoint@mindspring.com>
>
>I also searched everywhere for these. I finally gave up and called B &
>C and they agreed to send me a couple extras in the mail. I suggested
>to them that a couple spares included with the alternator might be a
>good idea. They did say that these are not even on their website, but
>they do stock them. Give 'em a call.
Now I am lost . . . Oh! you're talking about the un-insulated
brass terminals that go inside a nylon housing that fits the
back of the alternator. Looks like this:
http://www.aeroelectric.com/temp/41194.pdf
except fitted with a barb on the back side to retain it
in the connector housing.
I used to carry those and in fact, I think I gave my
inventory to B&C when all the parts business moved up
there. I don't recall now where I found them. They
were all strung together for automatic feed into
a crimping machine.
They were unplated brass as I recall. I wouldn't
have any heartburn with going directly onto the
tabs at the back of the alternator with a single
PIDG Faston installed on the field wire. The PIDG
terminals are plated and made from harder metal.
Electrically and mechanically a much better terminal.
Bob . . .
Message 16
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| Subject: | Voltage Regulator |
Seal-Send-Time: Thu, 10 Jul 2003 21:55:32 -0500
--> AeroElectric-List message posted by: "Tom Parks" <flightwork2@msn.com>
Bob!
Will the Ford VR166 regulator work with B&C's L-60 alternator or do I need to purchase
B&C's LR3C-14 regulator? Can buy a whole lot of VR166 units for the pricey
LR3C-14 unit.
regards
Tom Parks RV-7 N620CF
Message 17
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| Subject: | ELT Control Requirements |
--> AeroElectric-List message posted by: BAKEROCB@aol.com
7/10/2003
Hello Fellow Builders, I am interested in knowing the definitive word on
whether or not an ELT installed in a general aviation airplane (type certificated
or amateur built) must be able to be controlled by the pilot while in flight.
By controlled I mean able to turn OFF or ON, or from an UNARMED state to an
ARMED state. Further, must the pilot be automatically informed (by lights or
other means) by the ELT when it is transmitting?
There seems to be a general presumption that there is a requirement for in
flight control capability and some ELT's being sold have remote cable extensions
that permit this control. Some also provide a warning light when transmitting.
But there is nothing in FAR Sec. 91.207 that states those requirements. There
is nothing in TSO-C91a that states those requirements, but this TSO like so
many others is a very superficial document and the meat of the TSO's
requirements are found in the references to the TSO.
TSO-91a references Radio Technical Commission for Aeronautics (RTCA) Document
No. DO-183, "Minimum Operational Performance Standards for Emergency Locator
Transmitters; Automatic Fixed - ELT (AF), Automatic Portable - ELT (AP),
Automatic Deployable - ELT (AD), Survival - ELT (S); Operating on 121.5 and 243.0
Megahertz," Section 2.0, dated May 13, 1983, but I don't have access to this
document.
I am interested in people's experience and opinions on this subject, but
please don't make any definitive pronouncements unless you also provide specific
references.
I am currently flying a type certificated Diamond Aircraft DA20-C1 composite
airplane that has an EBC (Emergency Beacon Corp.) EBC 502 ELT installed.**
This ELT is mounted back in the baggage compartment behind the right seat
occupant's right shoulder. It is within view of the pilot, but beyond his reach
during flight. It has no remote control arrangement of any kind or any warning
light when activated. It does have a separate battery that is supposed to provide
power to an audible warning when the ELT is transmitting, but I don't know if
this audible warning can be heard over the ambient cockpit noise and through
headset sound protection.
If this arrangement is legal / acceptable I don't see why one would need to
install the remote control / warning light capability that comes with an ELT
like the ACK ELT-01 in their amateur built experimental aircraft unless there is
some requirement that I am not aware of.
Can anybody clear this up? Many thanks.
'OC' Baker, Builder of KIS TR-1 #116 4/14/97 - ?/?/?
PS: This ELT has one puny little thin vertical wire antenna sticking up out
of the top of it. No fancy coil in the antenna wire, no ground plane of any
kind. Makes one wonder about all the fuss about installing radiating strips of
metal foil in order to provide a ground plane as is commonly suggested for ELT
antenna installations.
Message 18
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| Subject: | Contacts for Narco 111 or 112 |
--> AeroElectric-List message posted by: "Dean Head" <banana@atlantic.net>
Hi,
I was wondering if anyone knows what contacts are used in the Narco 111 or
112 15 pin card edge connector? Narco gave me a Molex connector and contact
number but it no longer appears valid. I have compared the contact to the
ones used in my double sided Icom and Terra connectors but, due to the
single sided Narco design the contacts do not appear interchangeable.
Thanks in advance,
Dean Head
Message 19
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| Subject: | Fw: Multimeter test adaptor |
--> AeroElectric-List message posted by: "Rick Fogerson" <rickf@cableone.net>
----- Original Message -----
From: Rick Fogerson
Subject: Multimeter test adaptor
Hi Bob,
I need help in understanding how to make up the test adaptor, page Z6.
Do you crimp or solder the "banana plugs" to one end of the 1573 plug and plug
the other end into the 1576 receptacle, allowing you to clamp a multimeter to
the "banana plugs".
Is there a picture somewhere of this?
Would radio shack know what to sell me if I ask for "banana plugs"?
It's probably there but I can't find in your book the purpose of the 5A C.B. in
the alt. field wire.
Also, does it need to be in plain view so you can see immediately if it trips or
can I put it out of the way but still accessable by touch in-flight?
And if I haven't strained your patience too far, the Radio Shack P/N for the 1N4005
diode. One responded with 276-1141 and another with 276-1105
Message 20
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| Subject: | Re: B-Crimp terminals... |
--> AeroElectric-List message posted by: Jeff Point <jpoint@mindspring.com>
Sure, now you tell me. I will just go with the molex type connector
included with the alternator.
As long as we are on the topic of connectors...
In wiring up my shiny new LR3C-14 regulator, I noticed that it uses
spade type connectors. Since B & C doesn't sell these, I was forced to
go to Radio Shack and use the el-cheapo crimped terminals. It appears
that there are three options for using these:
1. use as is.
2. remove insulating jacket, crimp wire, put heat shrink over crimp.
3. crimp as is and put heat shrink over the insulating jacket and wire
I went with option 2, which seemed to make the connection more
mechanically sound, but it is not too late to change. Your thoughts Bob?
Also, given your affinity for faston terminals, I am curious why the
LR3C-14 does not use them?
Jeff Point
>
>
>
> They were unplated brass as I recall. I wouldn't
> have any heartburn with going directly onto the
> tabs at the back of the alternator with a single
> PIDG Faston installed on the field wire. The PIDG
> terminals are plated and made from harder metal.
> Electrically and mechanically a much better terminal.
>
> Bob . . .
>
>
>
>
Message 21
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| Subject: | Re:Pro Crimper II & hole punches |
--> AeroElectric-List message posted by: "Don Honabach" <don@pcperfect.com>
>> Chief Aircraft has the Pro Crimper II on their online catalog for
$95, but it's a little tricky to find. Use the search function for
"terminals", then click on the "wiring terminals" line of the search
results and scroll down. www.chiefaircraft.com
Just make sure it has the dies with it, and if you want the extra
connectors/terminals (i.e. the kit), it may be worth the extra few bucks
at digi or at chief if they sell it that way.
Don
-----Original Message-----
From: William Slaughter [mailto:willslau@alumni.rice.edu]
Subject: RE: AeroElectric-List: Re:Pro Crimper II & hole punches
--> AeroElectric-List message posted by: "William Slaughter"
--> <willslau@alumni.rice.edu>
Chief Aircraft has the Pro Crimper II on their online catalog for $95,
but it's a little tricky to find. Use the search function for
"terminals", then click on the "wiring terminals" line of the search
results and scroll down. www.chiefaircraft.com
William Slaughter
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Larry
Bowen
Subject: Re: AeroElectric-List: Re:Pro Crimper II & hole punches
--> AeroElectric-List message posted by: "Larry Bowen"
--> <Larry@bowenaero.com>
Avery Tools. $15 rental for the panel punch.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
KahnSG@aol.com said:
> --> AeroElectric-List message posted by: KahnSG@aol.com
>
> Where did Don buy the crimper for $120.00?
>
> Does anyone have a cheaper source for 3.125 & 2.250 in. hole punches
> for instruments than Greenlee?
>
> Steve
direct advertising on the Matronics Forums.
Message 22
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| Subject: | ELT Control Requirements |
--> AeroElectric-List message posted by: "Don Honabach" <don@pcperfect.com>
Don't know the official answer, but a local builder was told by the DAR
that would be inspecting his plane that he needed to install the remote
switch/indicator. They went back and forth on the issue for a bit and
bottom line, he ended having to install the remote switch/indicator.
Sorry for the lack of details, but take it for what it's worth.
Don
-----Original Message-----
From: BAKEROCB@aol.com [mailto:BAKEROCB@aol.com]
Subject: AeroElectric-List: ELT Control Requirements
--> AeroElectric-List message posted by: BAKEROCB@aol.com
7/10/2003
Hello Fellow Builders, I am interested in knowing the definitive word on
whether or not an ELT installed in a general aviation airplane (type
certificated
or amateur built) must be able to be controlled by the pilot while in
flight.
By controlled I mean able to turn OFF or ON, or from an UNARMED state to
an
ARMED state. Further, must the pilot be automatically informed (by
lights or
other means) by the ELT when it is transmitting?
There seems to be a general presumption that there is a requirement for
in
flight control capability and some ELT's being sold have remote cable
extensions
that permit this control. Some also provide a warning light when
transmitting.
But there is nothing in FAR Sec. 91.207 that states those requirements.
There
is nothing in TSO-C91a that states those requirements, but this TSO like
so
many others is a very superficial document and the meat of the TSO's
requirements are found in the references to the TSO.
TSO-91a references Radio Technical Commission for Aeronautics (RTCA)
Document
No. DO-183, "Minimum Operational Performance Standards for Emergency
Locator
Transmitters; Automatic Fixed - ELT (AF), Automatic Portable - ELT (AP),
Automatic Deployable - ELT (AD), Survival - ELT (S); Operating on 121.5
and 243.0
Megahertz," Section 2.0, dated May 13, 1983, but I don't have access to
this
document.
I am interested in people's experience and opinions on this subject, but
please don't make any definitive pronouncements unless you also provide
specific
references.
I am currently flying a type certificated Diamond Aircraft DA20-C1
composite
airplane that has an EBC (Emergency Beacon Corp.) EBC 502 ELT
installed.**
This ELT is mounted back in the baggage compartment behind the right
seat
occupant's right shoulder. It is within view of the pilot, but beyond
his reach
during flight. It has no remote control arrangement of any kind or any
warning
light when activated. It does have a separate battery that is supposed
to provide
power to an audible warning when the ELT is transmitting, but I don't
know if
this audible warning can be heard over the ambient cockpit noise and
through
headset sound protection.
If this arrangement is legal / acceptable I don't see why one would need
to
install the remote control / warning light capability that comes with an
ELT
like the ACK ELT-01 in their amateur built experimental aircraft unless
there is
some requirement that I am not aware of.
Can anybody clear this up? Many thanks.
'OC' Baker, Builder of KIS TR-1 #116 4/14/97 - ?/?/?
PS: This ELT has one puny little thin vertical wire antenna sticking up
out
of the top of it. No fancy coil in the antenna wire, no ground plane of
any
kind. Makes one wonder about all the fuss about installing radiating
strips of
metal foil in order to provide a ground plane as is commonly suggested
for ELT
antenna installations.
direct advertising on the Matronics Forums.
Message 23
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| Subject: | AC rated key switch |
--> AeroElectric-List message posted by: Jeff Point <jpoint@mindspring.com>
Bob,
I have decided to use toggle switches for the ignition and a push button
for the starter, per your book. I would like to add some measure of
security for overnights away from home, airshows etc. My idea is to
place a simple two position key switch, with key removable from either
position, in series with the DC master power switch. The switch I am
looking at is Digikey p/n 360-1456-ND.
http://dkc3.digikey.com/PDF/T032/0864.pdf
This switch is not DC rated, but is AC rated for 3A @250V. Since the
switch would not be used to actually control the circuit, only prevent
it from being energized, I do not believe the lack of a DC rating would
be an issue. I am aware that this adds another potential point of
failure, but I am willing to trade this for the added security.
Your thoughts?
Jeff Point
RV-6 FWF/ wiring
Milwaukee WI
Message 24
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| Subject: | Re: B-Crimp terminals... |
--> AeroElectric-List message posted by: "Werner Schneider" <wernerschneider@compuserve.com>
Hello Jeff,
not spad on terminals, I used ring terminals and this worked pretty well
and I bought them from B&C.
Ok, a bit more worke then spads (unscrewing total) but I feel more confident
then with some kind of spads.
Werner (final stage wiring)
----- Original Message -----
From: "Jeff Point" <jpoint@mindspring.com>
Subject: Re: AeroElectric-List: B-Crimp terminals...
> --> AeroElectric-List message posted by: Jeff Point
<jpoint@mindspring.com>
>
> Sure, now you tell me. I will just go with the molex type connector
> included with the alternator.
>
> As long as we are on the topic of connectors...
> In wiring up my shiny new LR3C-14 regulator, I noticed that it uses
> spade type connectors. Since B & C doesn't sell these, I was forced to
> go to Radio Shack and use the el-cheapo crimped terminals. It appears
> that there are three options for using these:
>
> 1. use as is.
> 2. remove insulating jacket, crimp wire, put heat shrink over crimp.
> 3. crimp as is and put heat shrink over the insulating jacket and wire
>
> I went with option 2, which seemed to make the connection more
> mechanically sound, but it is not too late to change. Your thoughts Bob?
>
> Also, given your affinity for faston terminals, I am curious why the
> LR3C-14 does not use them?
>
> Jeff Point
>
> >
> >
> >
> > They were unplated brass as I recall. I wouldn't
> > have any heartburn with going directly onto the
> > tabs at the back of the alternator with a single
> > PIDG Faston installed on the field wire. The PIDG
> > terminals are plated and made from harder metal.
> > Electrically and mechanically a much better terminal.
> >
> > Bob . . .
> >
> >
> >
> >
>
>
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