Today's Message Index:
----------------------
1. 06:57 AM - Re: Internally Regulated Alternators and Z-24 ()
2. 07:10 AM - Re: Re: D-Sub connectors (Robert L. Nuckolls, III)
3. 09:15 AM - Re: Re: D-Sub connectors (Tom Barter)
4. 10:57 AM - Z-13 Questions ()
5. 12:27 PM - Re: Internally Regulated Alternators and Z-24 (Robert L. Nuckolls, III)
6. 12:36 PM - Re: Z-13 Questions (Robert L. Nuckolls, III)
7. 12:40 PM - Re: Re: D-Sub connectors (Robert L. Nuckolls, III)
8. 01:12 PM - Re: Z-13 Questions ()
9. 03:00 PM - Re: D-Sub connectors (rampil)
Message 1
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| Subject: | Internally Regulated Alternators and Z-24 |
Thanks Bob,
Question is the AEC9004-1 available now?
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Robert L. Nuckolls, III
Sent: Monday, January 12, 2009 7:30 PM
Subject: Re: AeroElectric-List: Internally Regulated Alternators and
Z-24
<nuckolls.bob@aeroelectric.com>
At 04:37 PM 1/12/2009, you wrote:
>
>I see Z-24 was deleted from the manual. Have there been any accepted
>design changes for using internally regulated alternators with Z-*
>designs? I see it is still in the index of the connection under
>http://www.aeroelectric.com/articles.html
>
>I am using a Z13-8 configuration and have been the recipient of IR
>alternator. Is the Z-24 still be best viable option for making the IR
>act like an ER alternator?
Z-24 has been moved to here:
http://aeroelectric.com/articles/Adapting_IR_Alternators_to_Aircraft.pdf
Z-24 is an acceptable means for controlling
the IR alternator in the manner common to aircraft
where the alternator is not turned on or off while
at high engine rpm and/or under heavy load. I
offer this caveat only because there is a small chance
that any given IR alternator is not designed for
protecting it's own regulator under severe load-
dump conditions.
Having written that, I can tell you that IR
alternators from most sources will stand moderate
to severe load-dump. The Z-24 architecture will
smoothly transition into incorporation of the
AEC9004-1 controller should you elect to upgrade
at a later date.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 2
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| Subject: | Re: D-Sub connectors |
At 08:43 PM 1/12/2009, you wrote:
>
>I'll second the compliment, I have learned so much about D-subs,
>when I saw the sheet metal type in mouser I kinda wondered and I
>can't say I have ever seen them in an actual application. SO machined it is!
Probably every d-sub connector in your computer
system is populated with the sheet metal pins.
These are most often supplied in very long strips
and coiled onto reels for application by automatic
machines. ASSUMING you have the manufacturing
environment to install these pins, they'll perform
as advertised.
We should also be mindful that just because a
pin is not machined from solid materials doesn't
place it lower in the connector food chain.
AMP MulitMate series of pins are an excellent
example of high-performance products manufactured
from sheet stock and well suited for high volume
production.
Emacs!
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 3
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| Subject: | Re: D-Sub connectors |
Bob,
I have noticed that a few of your replies concerning D-sub connectors have a
reference to Emacs!. I'm not familiar with that. What is it?
Tom Barter
Kesley,Iowa
Avid Magnum - wiring
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Tuesday, January 13, 2009 9:09 AM
Subject: Re: AeroElectric-List: Re: D-Sub connectors
At 08:43 PM 1/12/2009, you wrote:
I'll second the compliment, I have learned so much about D-subs, when I saw
the sheet metal type in mouser I kinda wondered and I can't say I have ever
seen them in an actual application. SO machined it is!
Probably every d-sub connector in your computer
system is populated with the sheet metal pins.
These are most often supplied in very long strips
and coiled onto reels for application by automatic
machines. ASSUMING you have the manufacturing
environment to install these pins, they'll perform
as advertised.
We should also be mindful that just because a
pin is not machined from solid materials doesn't
place it lower in the connector food chain.
AMP MulitMate series of pins are an excellent
example of high-performance products manufactured
from sheet stock and well suited for high volume
production.
Emacs!
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Checked by AVG - http://www.avg.com
8:17 AM
Message 4
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I be using an 85 Amp IR alternator with this design. Couple of
questions.
1. For the primary alt, is it ok to go with an 80 Amp Shunt and
ANL? I understand they will take 1xx % of rating?
2. For the secondary alt is it ok to replace the fuse-link in the
design for an ANL? Rating 10 amp?
3. The B & C schematic is slightly different in breaker/wire
sizing. Should I adhere to that more closely than Bob's?
4. If I understand the instruction the SD-8 indicates the warning
light is ON when the switch is off or the OVP has tripped. I'm not sure
if I want that big yellow bulb on all the time? What other warning light
configurations are folks using?
5. My ANLs/contactors will be on the firewall. Are there any
caveats for protecting them from heat, dirt, oil, water etc?
Thanks,
Glenn
Message 5
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| Subject: | Internally Regulated Alternators and Z-24 |
At 08:54 AM 1/13/2009, you wrote:
>
>Thanks Bob,
>
>Question is the AEC9004-1 available now?
No. As soon as it is, it will be added to the catalog
at:
https://matronics.com/aeroelectric/Catalog/AECcatalog.html
and will be announced on the List.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 6
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| Subject: | Re: Z-13 Questions |
At 12:54 PM 1/13/2009, you wrote:
>I be using an 85 Amp IR alternator with this design. Couple of questions.
>
>
>1. For the primary alt, is it ok to go with an 80 Amp Shunt
>and ANL? I understand they will take 1xx % of rating?
The shunt is the same size as alternator rating. You
can use an ANL as low as 35A with a 60A alternator.
http://aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/ANL_Specs.pdf
>2. For the secondary alt is it ok to replace the fuse-link in
>the design for an ANL? Rating 10 amp?
Sure. Not an ANL but an 20A ATC fuse in an in-line holder.
http://aeroelectric.com/Pictures/Fuses/Fuse_Holders/ifh-2.jpg
>3. The B & C schematic is slightly different in breaker/wire
>sizing. Should I adhere to that more closely than Bob's?
His schematic works as advertised. So does mine.
>4. If I understand the instruction the SD-8 indicates the
>warning light is ON when the switch is off or the OVP has tripped.
>I'm not sure if I want that big yellow bulb on all the time? What
>other warning light configurations are folks using?
Don't install it. I presume you have a low voltage warning
that is independent of the alternator(s).
>5. My ANLs/contactors will be on the firewall. Are there any
>caveats for protecting them from heat, dirt, oil, water etc?
Cessna, Piper and Beech don't worry about it.
http://aeroelectric.com/Pictures/Wiring_Technique/A36_Firewall_A.jpg
It must not be a big deal.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 7
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| Subject: | Re: D-Sub connectors |
At 11:11 AM 1/13/2009, you wrote:
><kesleyelectric@chooseblue.coop>
>
>Bob,
>
>I have noticed that a few of your replies concerning D-sub connectors have a
>reference to Emacs!. I'm not familiar with that. What is it?
Probably an artifact of typos and/or cut-n-paste
activity. Ignore it.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 8
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Excellent, thanks Bob.
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Robert L. Nuckolls, III
Sent: Tuesday, January 13, 2009 3:35 PM
Subject: Re: AeroElectric-List: Z-13 Questions
<nuckolls.bob@aeroelectric.com>
At 12:54 PM 1/13/2009, you wrote:
>I be using an 85 Amp IR alternator with this design. Couple of
questions.
>
>
>1. For the primary alt, is it ok to go with an 80 Amp Shunt
>and ANL? I understand they will take 1xx % of rating?
The shunt is the same size as alternator rating. You
can use an ANL as low as 35A with a 60A alternator.
http://aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/ANL
_Specs.pdf
>2. For the secondary alt is it ok to replace the fuse-link in
>the design for an ANL? Rating 10 amp?
Sure. Not an ANL but an 20A ATC fuse in an in-line holder.
http://aeroelectric.com/Pictures/Fuses/Fuse_Holders/ifh-2.jpg
>3. The B & C schematic is slightly different in breaker/wire
>sizing. Should I adhere to that more closely than Bob's?
His schematic works as advertised. So does mine.
>4. If I understand the instruction the SD-8 indicates the
>warning light is ON when the switch is off or the OVP has tripped.
>I'm not sure if I want that big yellow bulb on all the time? What
>other warning light configurations are folks using?
Don't install it. I presume you have a low voltage warning
that is independent of the alternator(s).
>5. My ANLs/contactors will be on the firewall. Are there any
>caveats for protecting them from heat, dirt, oil, water etc?
Cessna, Piper and Beech don't worry about it.
http://aeroelectric.com/Pictures/Wiring_Technique/A36_Firewall_A.jpg
It must not be a big deal.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 9
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| Subject: | Re: D-Sub connectors |
Hi All,
Through a circuitous route (that's a double E pun) I found this web
page which not only illustrates the connector pin color code
that Bob explained, but also adds includes a table of which positioner
to use for the crimp:
http://www.pinsandsockets.nl/bin.htm
I'm not an Engineer, I just played one in Grad School :D
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=224593#224593
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