Today's Message Index:
----------------------
1. 06:35 AM - Fuse Block Locations (John Morgensen)
2. 06:56 AM - Re: Fuse Block Locations (Richard Dudley)
3. 07:03 AM - Re: Use of 700-2-10 switch for Voltage Sense - how to wire? (mikef)
4. 08:11 AM - Re: Use of 700-2-10 switch for Voltage Sense - how to wire? (Joe)
5. 10:10 AM - Re: Fuse Block Locations (Bret Smith)
6. 10:35 AM - Fuse Block Locations (James H Nelson)
7. 10:45 AM - Re: Fuse Block Locations (Greg Young)
8. 12:36 PM - Use of 700-2-10 switch for nav/strobe combo lights ()
9. 01:01 PM - Re: Fuse Block Locations (John Morgensen)
10. 01:24 PM - Re: Use of 700-2-10 switch for nav/strobe combo lights (Robert L. Nuckolls, III)
11. 02:12 PM - Antenna coax splice (Dennis Jones)
12. 04:03 PM - Re: Antenna coax splice (Bill Putney)
13. 06:49 PM - Re: Fuse Block Locations (RALPH HOOVER)
14. 07:06 PM - Re: Fuse Block Locations (RALPH HOOVER)
15. 07:13 PM - Re: Fuse Block Locations (Allen Fulmer)
16. 07:14 PM - Re: Fuse Block Locations (Fiveonepw@aol.com)
Message 1
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| Subject: | Fuse Block Locations |
I am seeking pictures and advice on fuse block locations, panel ground,
firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
Thanks,
John Morgensen
775 771-5791
Message 2
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| Subject: | Re: Fuse Block Locations |
Hi John,
I have attached a photo of my solution to the fuse panel location. It is
hinged to the bottom of the instrument panel and swings back to a horizontal
position and is secured by two Camlocks. Since plan is to deal with fuses
only on the ground, it is out of the way during flight. My architecture is
based on Bob Nuccols Z-11. The diode connection to the e-buss is mounted on
the backside of the panel.
Hope this is some help.
Regards,
Richard Dudley
-6A flying
----- Original Message -----
From: "John Morgensen" <john@morgensen.com>
Sent: Tuesday, May 13, 2008 9:30 AM
Subject: AeroElectric-List: Fuse Block Locations
> <john@morgensen.com>
>
> I am seeking pictures and advice on fuse block locations, panel ground,
> firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
>
> Thanks,
> John Morgensen
> 775 771-5791
>
>
>
Message 3
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| Subject: | Re: Use of 700-2-10 switch for Voltage Sense - how |
to wire?
Bob,
That was the info I was looking for. Thanks very much, seems like a straightforward
solution.
Mike
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=182910#182910
Message 4
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| Subject: | Re: Use of 700-2-10 switch for Voltage Sense - how |
to wire?
Mike,
You need a triple throw switch, either single pole or double pole,
commonly known as SP3T or DP3T. You can buy them at electronic supply
companies such as Digikey or Mouser or Allied. Parenthesis ( ) in the
description indicates a momentary position. Avoid those unless you want
that feature. You have to hold the switch in that position and when you
let go, it moves to the previous position.
http://www.mouser.com/search/Default.aspx has several triple-throw
switches to choose from:
SP3T $14.08 part number: 506-MTG206PA gold contacts
SP3T $9.43 part number: 506-MTA206PA gold contacts
SP3T $7.50 part number: 633-M202401-RO silver contacts
SP3T $8.50 part number: 633-M202402-RO silver contacts
SP3T $9.70 part number: 633-M202404-RO silver contacts
DP3T $14.90 part number: 633M204401-RO silver contacts
You can look at a catalog page here:
http://www.mouser.com/catalog/634/1582.pdf
Gold contacts have less resistance and will not corrode but they can NOT
handle very much current. But they should be good for measuring
voltage. Silver contacts can handle more current. The double pole
switch is more versatile and can be used for other applications such as
in place of the 2-10 switch in the Z drawings (if external jumpers are
connected properly). You could wire the DP3T contacts in parallel and
thus cut the resistance in half and make the switch more reliable. If
one half of the DP3T switch develops high resistance, the other half
will carry the current and you would not see a problem.
The reason that the 2-10 switch would not work for you is that it has
internal jumpers connecting some of the contacts.
Joe
Message 5
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| Subject: | Re: Fuse Block Locations |
John, I have the same setup as you. I also made a drop-down tray.
http://www.flightinnovations.com/wiring.html
Bret Smith
RV-9A "Canopy"
Blue Ridge, GA
www.FlightInnovations.com
----- Original Message -----
From: "John Morgensen" <john@morgensen.com>
Sent: Tuesday, May 13, 2008 9:30 AM
Subject: AeroElectric-List: Fuse Block Locations
> <john@morgensen.com>
>
> I am seeking pictures and advice on fuse block locations, panel ground,
> firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
>
> Thanks,
> John Morgensen
> 775 771-5791
>
>
>
Message 6
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| Subject: | Fuse Block Locations |
John,
There are many positions but you need to examine your
requirements. I am using the 13-8 system. I put my drop down panel just
to the right of the left side vent. Look at my pix on my web site.
http://www.websites.expercraft.com/jimn Then scroll down on the left
side to Panel, then to flight instrument and then to Oct 6 2005. I
mounted my ground system very close to the fire wall pass through. I
used a stainless steel handicap grab bar as my starting structure. I cut
off one end which gave my a 90* ell as it passed into the engine
compartment. In my pic. you can see where I put the ground block for
each side. There is one thing I needed to do and that is to use a bigger
(more terminals) ground block on the cabin side. I ended up putting some
grounds thru the pass thru and hooking up to the ground bolck on the
engine side. Count up the number of grounds you think you will need and
then add at least 50% to that number. I also put my "always hot" fuse
block very close to the firewall. This way I can run the always hot
lead thru the fire wall and directly to the fuse block. Since it is
short, it will not need protection. Lots of ideas, just freeze it and
build it.
Jim
99% done, 20% to go
Message 7
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| Subject: | Fuse Block Locations |
I mounted my fuse blocks directly to the fuselage side - dimpled the skin
and countersunk the holes in the blocks. They'll be covered by a sidewall
panel when the interior goes in.
Regards,
Greg Young
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On
> Behalf Of John Morgensen
> Sent: Tuesday, May 13, 2008 8:31 AM
> To: aeroelectric-list@matronics.com
> Subject: AeroElectric-List: Fuse Block Locations
>
> --> <john@morgensen.com>
>
> I am seeking pictures and advice on fuse block locations,
> panel ground, firewall ground, etc. My project is an RV-9A
> using a Z-13/8 architecture.
>
> Thanks,
> John Morgensen
> 775 771-5791
>
>
Message 8
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| Subject: | Use of 700-2-10 switch for nav/strobe combo lights |
I am using the 2-10 as defined in the manual to turn on the nav lights
in the center position and then add the strobe lights in the up
position. Sounds simple enough. When I first turn on the nav lights, the
strobe lights start blinking. I then add the strobe lights to the nav
lights and they work normally.
After cycling the switch once, only the nav lights come on at the first
position (desired) and I can add the strobe lights by moving the switch
to the top position. The behavior does not repeat itself unless the
switch is turned off for a period of time.
I have wired as described in Bob's manual.
I am using the strobe/nav combo from
Message 9
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| Subject: | Re: Fuse Block Locations |
Thanks for all the responses!
john
John Morgensen wrote:
> <john@morgensen.com>
>
> I am seeking pictures and advice on fuse block locations, panel
> ground, firewall ground, etc. My project is an RV-9A using a Z-13/8
> architecture.
>
> Thanks,
> John Morgensen
> 775 771-5791
>
Message 10
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| Subject: | Re: Use of 700-2-10 switch for nav/strobe combo lights |
At 03:30 PM 5/13/2008 -0400, you wrote:
>I am using the 2-10 as defined in the manual to turn on the nav lights in
>the center position and then add the strobe lights in the up position.
>Sounds simple enough. When I first turn on the nav lights, the strobe
>lights start blinking. I then add the strobe lights to the nav lights and
>they work normally.
>
>After cycling the switch once, only the nav lights come on at the first
>position (desired) and I can add the strobe lights by moving the switch to
>the top position. The behavior does not repeat itself unless the switch is
>turned off for a period of time.
The only thing that can cause unexpected sequencing
is a faulty switch.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 11
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| Subject: | Antenna coax splice |
What ramifications if any are there to using a connector to extend the
run for antenna coax? Or should I start over and run it as a single
cable?
Thanks
Jonsey
Message 12
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| Subject: | Re: Antenna coax splice |
Dennis,
If you are using BNC or TNC connectors and good quality cable you should
be able to extend almost any antenna cable in your airplane. A connector
adds .25-.5 db loss per connector. Anything should be able to handle
this extra loss without a detectable loss in performance.
- Bill
You can "splice" the cable by Dennis Jones wrote:
> What ramifications if any are there to using a connector to extend the
> run for antenna coax? Or should I start over and run it as a single cable?
>
>
> Thanks
> Jonsey
> *
>
>
> *
Message 13
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| Subject: | Fuse Block Locations |
John,
Here is yet another hinged option. This fuse block uses insert able
crimped contacts (no fastons and one less electrical interface). It is also
split 20 Main Buss, 8 Essential Buss. The two buses are tied by a schottky
diode bolted to brass busses (the stuff in the center of the rear of the
panel). The fuse panel swings down and forward from the front edge of the
panel and all of the wiring is in the rear.
Ralph & Laura Hoover
RV7A N527LR
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Morgensen
Sent: Tuesday, May 13, 2008 9:31 AM
Subject: AeroElectric-List: Fuse Block Locations
I am seeking pictures and advice on fuse block locations, panel ground,
firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
Thanks,
John Morgensen
775 771-5791
Message 14
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| Subject: | Fuse Block Locations |
I didn't mention that the Battery Buss fuse block is a 6 fuse surface mount
block like others you have seen. It is mounted on the Forward side of the
firewall inboard of the Brake fluid reservoir.
Ralph
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Morgensen
Sent: Tuesday, May 13, 2008 9:31 AM
Subject: AeroElectric-List: Fuse Block Locations
I am seeking pictures and advice on fuse block locations, panel ground,
firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
Thanks,
John Morgensen
775 771-5791
Message 15
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| Subject: | Fuse Block Locations |
My favorite so far! And where, pray tell, did you get that beautiful fuse
block with cover? Surely must be automotive!
Allen Fulmer
RV7 Avionics and Electrical
>>>-----Original Message-----
>>>From: owner-aeroelectric-list-server@matronics.com
>>>[mailto:owner-aeroelectric-list-server@matronics.com]On
>>>Behalf Of RALPH
>>>HOOVER
>>>Sent: Tuesday, May 13, 2008 8:43 PM
>>>To: aeroelectric-list@matronics.com
>>>Subject: RE: AeroElectric-List: Fuse Block Locations
>>>
>>>
>>>John,
>>> Here is yet another hinged option. This fuse block uses
>>>insert able
>>>crimped contacts (no fastons and one less electrical
>>>interface). It is also
>>>split 20 Main Buss, 8 Essential Buss. The two buses are tied
>>>by a schottky
>>>diode bolted to brass busses (the stuff in the center of the
>>>rear of the
>>>panel). The fuse panel swings down and forward from the
>>>front edge of the
>>>panel and all of the wiring is in the rear.
>>>
>>>Ralph & Laura Hoover
>>>RV7A N527LR
>>>
>>>-----Original Message-----
>>>From: owner-aeroelectric-list-server@matronics.com
>>>[mailto:owner-aeroelectric-list-server@matronics.com] On
>>>Behalf Of John
>>>Morgensen
>>>Sent: Tuesday, May 13, 2008 9:31 AM
>>>To: aeroelectric-list@matronics.com
>>>Subject: AeroElectric-List: Fuse Block Locations
>>>
>>><john@morgensen.com>
>>>
>>>I am seeking pictures and advice on fuse block locations,
>>>panel ground,
>>>firewall ground, etc. My project is an RV-9A using a Z-13/8
>>>architecture.
>>>
>>>Thanks,
>>>John Morgensen
>>>775 771-5791
>>>
>>>
>>>
>>>
Message 16
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| Subject: | Re: Fuse Block Locations |
In a message dated 05/13/2008 8:59:52 AM Central Daylight Time,
rhdudley1@bellsouth.net writes:
> I am seeking pictures and advice on fuse block locations, panel ground,
> firewall ground, etc. My project is an RV-9A using a Z-13/8 architecture.
>>>
I recently helped with wiring on a -7A and came up with a solution that
worked out pretty well. Radio stack is centered on panel, dual GRT EFIS, ADI,
A/P
& EIS4000 on pilots side, nothing but blank panel on right. Made this area
into a large glovebox, with a door that was the same shape as the dual EFIS
panels, hinged at the bottom. All four fuse blocks are mounted directly to the
sub-panel behind the glove box. The glovebox has a bottom-hinged rear panel
that exposes the fuse blocks, with a fuse legend on its back side. You simply
open the glovebox door, pull out anything in the way, pull down the cover panel
(held with velcro), and all the fuses are right there. The empty slots have
spare fuses as indicated by the legend.
Photos if ya really want them-
Still brain-fartin' at The PossumWorks in TN
Mark
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