Today's Message Index:
----------------------
1. 06:38 AM - Re: Fuselink Link 14/10 AWG connection (Robert L. Nuckolls, III)
2. 07:16 AM - Re: Fuselink Link 14/10 AWG connection (paul wilson)
3. 09:45 AM - Re: Fuselink Link 14/10 AWG connection (Robert L. Nuckolls, III)
4. 06:21 PM - instrument ground loops? (eb)
5. 09:52 PM - Re: instrument ground loops? (Robert L. Nuckolls, III)
6. 10:57 PM - Re: instrument ground loops? (B Tomm)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Fuselink Link 14/10 AWG connection |
At 06:30 PM 11/5/2010, you wrote:
>I am 1000 miles away from my shop, but I have a package of the new
>style butt connectors in my truck. NAPA P/N 784331. They are reds
>tranlucent plastic and have the extra metal extension. I use several
>rachet crimpers and they all give a good result with these things.
>Takes 2 crimps with my crimpers to grab theinsulation.
>Branded by Balkamp (a NAPA house brand). Made In Taiwan
>
>The other stuff in my truck are the cheepe 3M automotive stuff you
>are fanmiliar with and they will not grab the insulation. However
>they do give the soild crimp like your AMP tests.
>Mabe the attached pic will reveal something?
Hmmm . . . are these normally stocked in the stores
or do they have to order them in? Are they available
in less than full box lots?
Bob . . .
Message 2
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Fuselink Link 14/10 AWG connection |
Stock item in Durango CO store. Stock from the Albuerque warehouse.
Find then on the shelf. no need to ask at the desk.
Paul
=====
At 06:37 AM 11/6/2010, you wrote:
><nuckolls.bob@aeroelectric.com>
>
>At 06:30 PM 11/5/2010, you wrote:
>>I am 1000 miles away from my shop, but I have a package of the new
>>style butt connectors in my truck. NAPA P/N 784331. They are reds
>>tranlucent plastic and have the extra metal extension. I use
>>several rachet crimpers and they all give a good result with these
>>things. Takes 2 crimps with my crimpers to grab theinsulation.
>>Branded by Balkamp (a NAPA house brand). Made In Taiwan
>>
>>The other stuff in my truck are the cheepe 3M automotive stuff you
>>are fanmiliar with and they will not grab the insulation. However
>>they do give the soild crimp like your AMP tests.
>>Mabe the attached pic will reveal something?
>
> Hmmm . . . are these normally stocked in the stores
> or do they have to order them in? Are they available
> in less than full box lots?
>
>
> Bob . . .
>
>
Message 3
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Fuselink Link 14/10 AWG connection |
At 09:12 AM 11/6/2010, you wrote:
>
>Stock item in Durango CO store. Stock from the Albuerque warehouse.
>Find then on the shelf. no need to ask at the desk.
>Paul
I'll see if I can pick some up. I'm going to Wichita
tonight.
Bob . . .
Message 4
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | instrument ground loops? |
My radio, transponder and EFIS each have continuity between their respective ground
wire and their external case--this is normal AFAIK. But each case is attached
to an aluminum instrument panel, which is connected to a steel airframe.
Can you say ground loops? (the instrument ground wires connect to a lug on
the airframe). This creates 3 ground loops approximately 2' long each. Is this
a problem--in terms of radio noise or interference?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318402#318402
Message 5
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: instrument ground loops? |
At 08:17 PM 11/6/2010, you wrote:
>
>My radio, transponder and EFIS each have continuity between their
>respective ground wire and their external case--this is normal
>AFAIK. But each case is attached to an aluminum instrument panel,
>which is connected to a steel airframe. Can you say ground
>loops? (the instrument ground wires connect to a lug on the
>airframe). This creates 3 ground loops approximately 2' long
>each. Is this a problem--in terms of radio noise or interference?
Not if you don't hear any noise. Just because there ARE
multiple ground paths giving rise to potential coupling
of noise between antagonist and victim doesn't automatically
say it's going to happen . . . only that the risks are higher.
The drawings that configure a legacy TC aircraft's ground
wires many have been revised many times over the years
to deal with specific issues . . . and there may still
be potential issues.
The best action right now is to commend you for being
attentive to the risk which will give rise to
closer scrutiny when you start firing things up. Chances
are pretty good that you won't have any problems. If you
DO, then there are orderly ways to deduce "death by
Col. Mustard in the library with a knife".
Bob . . .
////
(o o)
===========o00o=(_)=o00o========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
================================
Message 6
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | instrument ground loops? |
Bob,
Sort of related...
My LR3C voltage regulator has surprisingly large mounting holes. 5/16 IIRC.
Is this because there should be an isolation washer to prevent the bolts and
case from touching the metal mounting surface? I don't have any bolts with
such a large diameter and so short of grip length. I was considering
drilling for #8 screws in between the factory holes until I saw this thread.
Bevan
RV7A
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Saturday, November 06, 2010 9:48 PM
Subject: Re: AeroElectric-List: instrument ground loops?
--> <nuckolls.bob@aeroelectric.com>
At 08:17 PM 11/6/2010, you wrote:
>
>My radio, transponder and EFIS each have continuity between their
>respective ground wire and their external case--this is normal
>AFAIK. But each case is attached to an aluminum instrument panel,
>which is connected to a steel airframe. Can you say ground loops?
>(the instrument ground wires connect to a lug on the airframe). This
>creates 3 ground loops approximately 2' long each. Is this a
>problem--in terms of radio noise or interference?
Not if you don't hear any noise. Just because there ARE
multiple ground paths giving rise to potential coupling
of noise between antagonist and victim doesn't automatically
say it's going to happen . . . only that the risks are higher.
The drawings that configure a legacy TC aircraft's ground
wires many have been revised many times over the years
to deal with specific issues . . . and there may still
be potential issues.
The best action right now is to commend you for being
attentive to the risk which will give rise to
closer scrutiny when you start firing things up. Chances
are pretty good that you won't have any problems. If you
DO, then there are orderly ways to deduce "death by
Col. Mustard in the library with a knife".
Bob . . .
////
(o o)
===========o00o=(_)=o00o========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
================================
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|