Today's Message Index:
----------------------
1. 05:21 AM - Westinghouse Alternator B-52? (Scott Auchinleck, Emergi-Tech)
2. 05:49 AM - Re: Westinghouse Alternator B-52? (Denis Walsh)
3. 06:52 AM - Re: Westinghouse Alternator B-52? (Robert L. Nuckolls, III)
4. 08:02 PM - Re: Westinghouse Alternator B-52? (Richard Sipp)
5. 10:37 PM - fuse questionis (sarg314)
6. 10:48 PM - Re: [SPAM] Re: Re: IFR Requirements (required vs. (Dave Thompson)
Message 1
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Subject: | Westinghouse Alternator B-52? |
--> AeroElectric-List message posted by: "Scott Auchinleck, Emergi-Tech" <scott@emergi-tech.qc.ca>
Hello,
I have recently acquired a Westinghouse alternator (possibly from a
B-52?). The specs are below. Does anyone have any information on
this unit (parts diag, service manual, etc). Was it mean to be run
with a regulator, or at a constant speed= constant voltage setup? I
plan to use it as part of a generator project, so I'm wondering how
to set it up (since I don't own a B-52....)
Thanks,
Scott
AF SPEC- 32530=D
MFR'S SERIAL NO. AW-131
Volts- 120
KVA- 8
PH- 1
RPM 3800-10000
MFR'S PART NO.- A-24-A9370
Scott Auchinleck
Message 2
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Subject: | Re: Westinghouse Alternator B-52? |
--> AeroElectric-List message posted by: Denis Walsh <denis.walsh@comcast.net>
Can't help with the machine you have, however based on a lot of walk
around inspections, I doubt if you have a B-52 alternator. the
earliest models had 600 KVA brutes with sunstrand drives and were
bleed air driven. They were rather large. There were four of them
in the wheel well areas. Later models have engine driven units and I
do not know what they were however surely they were even bigger.
They were also 205 volts and 400 hertz.
Of course my memory is being stretched a bit since I left that
business in 1968.
Denis Walsh
On Jun 16, 2006, at 07:11 223120006, Scott Auchinleck, Emergi-Tech
wrote:
> --> AeroElectric-List message posted by: "Scott Auchinleck, Emergi-
> Tech" <scott@emergi-tech.qc.ca>
>
> Hello,
>
> I have recently acquired a Westinghouse alternator (possibly from a
> B-52?). The specs are below. Does anyone have any information on
> this unit (parts diag, service manual, etc). Was it mean to be run
> with a regulator, or at a constant speed= constant voltage setup?
> I plan to use it as part of a generator project, so I'm wondering
> how to set it up (since I don't own a B-52....)
>
> Thanks,
>
> Scott
>
> AF SPEC- 32530=D
> MFR'S SERIAL NO. AW-131
> Volts- 120
> KVA- 8
> PH- 1
> RPM 3800-10000
> MFR'S PART NO.- A-24-A9370
>
> Scott Auchinleck
>
>
> www.matronics.com/Navigator?AeroElectric-List
> wiki.matronics.com
>
>
Message 3
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Subject: | Re: Westinghouse Alternator B-52? |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
Dennis,
Your recollection echos my own. I worked on B-52s at Boeing (my first
'real' job out of high school). I was in electronics and didn't have much
interface with the power distribution guys but I do recall seeing the
hardware and hearing something of its capabilities in classes I attended
at Boeing.
I agree that unit Scott has is for a much smaller application. Further,
120v, single phase systems are exceedingly rare in aircraft. The only one's
I've seen were produced from DC by solid state inverters, not from rotating
machines. I suspect his generator was used in some non-aircraft specialty
application.
Bob . . .
>--> AeroElectric-List message posted by: Denis Walsh <denis.walsh@comcast.net>
>
>Can't help with the machine you have, however based on a lot of walk
>around inspections, I doubt if you have a B-52 alternator. the
>earliest models had 600 KVA brutes with sunstrand drives and were
>bleed air driven. They were rather large. There were four of them
>in the wheel well areas. Later models have engine driven units and I
>do not know what they were however surely they were even bigger.
>They were also 205 volts and 400 hertz.
>
>Of course my memory is being stretched a bit since I left that
>business in 1968.
>Denis Walsh
>
>On Jun 16, 2006, at 07:11 223120006, Scott Auchinleck, Emergi-Tech
>wrote:
>
>>--> AeroElectric-List message posted by: "Scott Auchinleck, Emergi- Tech"
>><scott@emergi-tech.qc.ca>
>>
>>Hello,
>>
>>I have recently acquired a Westinghouse alternator (possibly from a
>>B-52?). The specs are below. Does anyone have any information on
>>this unit (parts diag, service manual, etc). Was it mean to be run
>>with a regulator, or at a constant speed= constant voltage setup?
>>I plan to use it as part of a generator project, so I'm wondering
>>how to set it up (since I don't own a B-52....)
>>
>>Thanks,
>>
>>Scott
>>
>>AF SPEC- 32530=D
>>MFR'S SERIAL NO. AW-131
>>Volts- 120
>>KVA- 8
>>PH- 1
>>RPM 3800-10000
>>MFR'S PART NO.- A-24-A9370
>>
>>Scott Auchinleck
>>
>>
>>
>>www.matronics.com/Navigator?AeroElectric-List
>>wiki.matronics.com
>>
>>
>>
>>
>>
>
>
>--
>
>
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Bob . . .
---------------------------------------------------------
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >
---------------------------------------------------------
Message 4
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Subject: | Re: Westinghouse Alternator B-52? |
--> AeroElectric-List message posted by: "Richard Sipp" <rsipp@earthlink.net>
It was certainly a long time ago in a place far away so I don't remember
much. I do recall significant differences in the early model Buffs
electrical systems and the later models. In the early versions each
alternator had to be adjusted in frequency until it matched the buss (I
guess) and when you got it close enough it could be added to the buss system
with the others. I am not sure if they had constant speed drives or not. If
I remember correctly the voltage took care of itself but the frequency was
manually controlled and very touchy.
One dark and stormy night over the Pacific, the whole airplane went black.
The alternator control panel looked like a game of pin ball wizard with
flashing lights all over the place. I picked one alternator at time and
tried to get them back on and of course the rest of the crew was yelling at
me to turn the lights back on.
Dick Sipp
----- Original Message -----
From: "Scott Auchinleck, Emergi-Tech" <scott@emergi-tech.qc.ca>
Sent: Friday, June 16, 2006 8:11 AM
Subject: AeroElectric-List: Westinghouse Alternator B-52?
> --> AeroElectric-List message posted by: "Scott Auchinleck, Emergi-Tech"
> <scott@emergi-tech.qc.ca>
>
> Hello,
>
> I have recently acquired a Westinghouse alternator (possibly from a
> B-52?). The specs are below. Does anyone have any information on this
> unit (parts diag, service manual, etc). Was it mean to be run with a
> regulator, or at a constant speed= constant voltage setup? I plan to use
> it as part of a generator project, so I'm wondering how to set it up
> (since I don't own a B-52....)
>
> Thanks,
>
> Scott
>
> AF SPEC- 32530=D
> MFR'S SERIAL NO. AW-131
> Volts- 120
> KVA- 8
> PH- 1
> RPM 3800-10000
> MFR'S PART NO.- A-24-A9370
>
> Scott Auchinleck
>
>
> http://www.matronics.com/Navigator?AeroElectric-List
> http://wiki.matronics.com
>
>
>
Message 5
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--> AeroElectric-List message posted by: sarg314 <sarg314@comcast.net>
Bob:
I note that Z-11 and others show a 7 amp fuse on the alternate feed
line to the Endurance bus. The other feed, through the diode, is not
fused, so why is this fuse there? Is it because that feed has a switch
which provides a possible failure mode that could smoke the wire?
Also, relating to selecting fuses in general, am I correct that the
"10 deg C rise current" column in table 8-3 may be used as a guide to
the maximum fuse rating to use for the various wire sizes?
Thanks,
--
Tom S.
RV-6A
Message 6
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Subject: | [SPAM] Re: Re: IFR Requirements (required vs. |
I recently visited Scott Air Force Base on business. I purchased a t-shirt
for my kid. I thought the saying was appropriate for this discussion:
"A pilot without a maintainer is a pedestrian with a leather jacket and cool
sunglasses"
Dave Thompson
dave.thompson@verizon.net
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