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jack.byrne(at)bigpond.com
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 Posted: Wed Oct 04, 2006 7:31 pm Post subject: Radio Rack Screws |
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I am assembling my radio stack.
The supports to holding the radio trays together are AL angle.
Do the screws holding the whole assy together have to be brass?
I only have metal.
Regards
Chris
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chaztuna(at)adelphia.net
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| Posted: Wed Oct 04, 2006 8:24 pm Post subject: Radio Rack Screws |
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Chris
Most Stainless Steel alloys are not magnetic either, so that could also be used. Take a magnet with you to the vendor. Check a sample of a SS screw to make sure it's not magnetic, before you buy it. I also used Stainless Steel nutplates on my panel for that reason.
Charlie Kuss
[quote]--> AeroElectric-List message posted by: "Chris Byrne" <jack.byrne(at)bigpond.com>
I am assembling my radio stack.
The supports to holding the radio trays together are AL angle.
Do the screws holding the whole assy together have to be brass?
I only have metal.
Regards
Chris
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[b]
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franz(at)lastfrontierheli
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| Posted: Wed Oct 04, 2006 8:52 pm Post subject: Radio Rack Screws |
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H i Charlie,
I was just going to contact you when I saw this e-mail. I send you a money order for the replacement o-rings for the brake system of my RV7 about 5 weeks ago but have not received the rings. I am wondering if you received the money.
Please let me know
Thanks
Franz
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fvalarm(at)rapidnet.net
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| Posted: Thu Oct 05, 2006 7:17 pm Post subject: Radio Rack Screws |
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Where does one buy stainless nutplates?
Bevan
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Charlie Kuss
Sent: Wednesday, October 04, 2006 9:13 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: Radio Rack Screws
Chris
Most Stainless Steel alloys are not magnetic either, so that could also be used. Take a magnet with you to the vendor. Check a sample of a SS screw to make sure it's not magnetic, before you buy it. I also used Stainless Steel nutplates on my panel for that reason.
Charlie Kuss
| Quote: | --> AeroElectric-List message posted by: "Chris Byrne" <jack.byrne(at)bigpond.com>
I am assembling my radio stack.
The supports to holding the radio trays together are AL angle.
Do the screws holding the whole assy together have to be brass?
I only have metal.
Regards
Chris
AeroElectric-List Email Forum -
http://www.matronics.com/Navigator?AeroElectric-List
- NEW MATRONICS WEB FORUMS -
http://forums.matronics.com
- NEW MATRONICS LIST WIKI -
http://wiki.matronics.com
- List Contribution Web Site -
-Matt Dralle, List Admin.
http://www.matronics.com/contribution
href="http://www.matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Navigator?AeroElectric-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://wiki.matronics.com">http://wiki.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
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[quote][b]
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chaztuna(at)adelphia.net
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| Posted: Fri Oct 06, 2006 4:04 am Post subject: Radio Rack Screws |
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Bevan,
The first step is to know the part number for the SS parts. This is actually rather simple. You simply add one to the last digit of the more common MS part number (The K1000 numbers used by Vans Aircraft are actually part of an obsolete numbering system). As an example, a common nutplate (old system calls them K1000) is the MS21047-xxx (x denoting the screw hole size). The SS version of this nutplate would be MS21048-xxx.
I purchased my SS nutplates from M&M Aerospace Hardware. M&M has 5 locations around the country. They are geared towards selling to aviation professionals, but will sell to individuals. Early last year I made a "group purchase" of these SS nutplates for people on the Yahoo RV8 List. I did this because M&M offers pricing discounts when hardware is ordered in lots of 100. The discount is very significant. M&M's web site is below.
http://www.mmaero.com/us/index.cfm
M&M carries all the "hard to find" stuff that other vendors don't have.
Charlie
[quote] Where does one buy stainless nutplates?
Bevan
From: owner-aeroelectric-list-server(at)matronics.com [ mailto:owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com)] On Behalf Of Charlie Kuss
Sent: Wednesday, October 04, 2006 9:13 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: Radio Rack Screws
Chris
Most Stainless Steel alloys are not magnetic either, so that could also be used. Take a magnet with you to the vendor. Check a sample of a SS screw to make sure it's not magnetic, before you buy it. I also used Stainless Steel nutplates on my panel for that reason.
Charlie Kuss
[b]
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jgswartout(at)earthlink.n
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| Posted: Mon Oct 09, 2006 7:26 pm Post subject: Radio Rack Screws |
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What am I missing? What difference does it make whether the screws or
nutplates are ferrous metal or not?
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wrmaxwell(at)bigpond.com
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| Posted: Mon Oct 09, 2006 9:15 pm Post subject: Radio Rack Screws |
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Electrolysis? Aluminium and brass? Maybe stainless steel might be the
choice.
Bill
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chaztuna(at)adelphia.net
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| Posted: Tue Oct 10, 2006 6:20 am Post subject: Radio Rack Screws |
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John
I'm simply trying to eliminate as much steel and iron from the instrument panel. I'm using a panel mounted whiskey compass. Stainless steel, brass and aluminum do not affect the compass.
Charlie Kuss
[quote]--> AeroElectric-List message posted by: "John Swartout" <jgswartout(at)earthlink.net>
What am I missing? What difference does it make whether the screws or
nutplates are ferrous metal or not?
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jgswartout(at)earthlink.n
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| Posted: Tue Oct 10, 2006 7:55 am Post subject: Radio Rack Screws |
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Okay—I see. At least the screws and nutplates don’t move. I think my magnetic compass can be compensated. Seems like even that big hunk of iron just behind the propeller would have some effect on the compass. I guess if it turns out to be a problem, I’ll be going back to this thread to look for those SS parts.
John
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chaztuna(at)adelphia.net
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| Posted: Tue Oct 10, 2006 9:33 am Post subject: Radio Rack Screws |
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John
The biggest issue is distance from the compass. Magnetic steels and iron parts are not normally used in the instrument panel. Look at the radio rack trays used. They are all either aluminum or stainless steel for this reason.
Charlie Kuss
---- John Swartout <jgswartout(at)earthlink.net> wrote:
[quote] Okay-I see. At least the screws and nutplates don't move. I think my
magnetic compass can be compensated. Seems like even that big hunk of iron
just behind the propeller would have some effect on the compass. I guess if
it turns out to be a problem, I'll be going back to this thread to look for
those SS parts.
John
--
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