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03-16-2018, 10:20 AM
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Join Date: Jan 2005
Location: Victoria, Canada
Posts: 2,251
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Quote:
Originally Posted by az_gila
Thanks Vern, your variations were an initial inspiration to design my own, along with an "I always wanted to" design my own PCB after making DIY boards with copper coated boards, plastic model oil paint, small brushes and ferric chloride etching for RC stuff in the 70's.
Could you please send my a regular email, I would like to get more details from you about your site.
I only intend doing a one shot group purchase at no profit to me to get some circuit cards. Since it does not compete with anything out there at this time I don't regard it as a "commercial" effort - actually given my time expended it can be calculated at quite a loss... 
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email sent. Perhaps we can get together when I'm in Arizona.
Vern
__________________
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V e r n. ====
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RV-9A complete
Harmon Rocket complete
S-21 wings complete
Victoria, BC (Summer)
Chandler, Az (Winter)
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03-16-2018, 05:34 PM
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Join Date: Jul 2005
Location: Northern California
Posts: 91
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Putting the "EE" in Experimental
Nice work Gil. I love the idea of home built electronics in our home built aircraft. To me, its what 'experimental' is all about. Keep up the good work!
P.S. Anyone interested in my own foray in home built avionics can read about it here:
https://roughandreadyaerospace.blogs...-avionics.html
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03-16-2018, 06:06 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
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Quote:
Originally Posted by az_gila
....Just mounting it with short nylon spacers and #6 screws into nutplates should be fine.
It might make a nice project for someone with a 3-D printer to create a box similar to that Dynon uses for it's standard network hub. 
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I'd like to see some sort of perimeter or something to keep junk from finding its way onto the hidden side of the board. Also, if there's only going to be a perimeter, and especially if there's not, then I'll put some sort of coating on my board to help guard it against stuff. Perhaps exterior polyurethane.
Dave
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03-16-2018, 06:29 PM
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Join Date: Jan 2005
Location: Victoria, Canada
Posts: 2,251
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Quote:
Originally Posted by joe_rainbolt
Nice work Gil. I love the idea of home built electronics in our home built aircraft. To me, its what 'experimental' is all about. Keep up the good work!
P.S. Anyone interested in my own foray in home built avionics can read about it here:
https://roughandreadyaerospace.blogs...-avionics.html
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...proving once again that the only reason to build an airplane is to design cool electronics gizmos to run it!
__________________
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V e r n. ====
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RV-9A complete
Harmon Rocket complete
S-21 wings complete
Victoria, BC (Summer)
Chandler, Az (Winter)
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03-16-2018, 07:10 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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A job for a 3D printer.
Quote:
Originally Posted by David Paule
I'd like to see some sort of perimeter or something to keep junk from finding its way onto the hidden side of the board. Also, if there's only going to be a perimeter, and especially if there's not, then I'll put some sort of coating on my board to help guard it against stuff. Perhaps exterior polyurethane.
Dave
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http://www.vansairforce.com/communit...1&postcount=18
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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03-17-2018, 04:26 AM
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Join Date: May 2014
Location: KBVY Massachusetts
Posts: 1,100
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Quote:
Originally Posted by az_gila
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I put in a suggestion in the 3D printing thread:
http://www.vansairforce.com/communit...147771&page=45
I've been looking for a box into which to place my Pat Hatch relay card. Nothing online seems to fit well. I have several requirements:
The two d-sub connectors have to be out in the open.
The box and the PC card have to be mountable to the airplane via screws that go through the PC card, then the box, then sheet metal into nutplates.
The top must come off independently from the card and box so you can get at the card it without having to dismount the box.
Steve is a busy guy though - Don't know if he's that interested.
__________________
Flying RV-8 N880BC
2019 Dues - happily paid.
Last edited by Saville : 03-17-2018 at 04:45 AM.
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03-17-2018, 12:46 PM
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Join Date: May 2015
Location: Goshen, IN
Posts: 43
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Put me on the list.
I?ll take 2
They look brilliant, simply brilliant.
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03-17-2018, 04:36 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Quote:
Originally Posted by guido99
Put me on the list.
I?ll take 2
They look brilliant, simply brilliant.
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Please send an email to me with the request... thx
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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03-17-2018, 09:17 PM
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Join Date: Jan 2012
Location: Reno, NV
Posts: 446
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My Dual Screen Dynon Board version 1
Below is a beta board that I designed to hook up a simple dual screen SkyView system. It is only 5" square.
Along the top left is 5 SV connector hub, with the Autopilot connectors to the right. The data lines go to all connectors, with the right having the autopilot power and disconnect connected to just the right three.
The two 9 pin connectors on the left go to the Xponder, and ADSB Rx, and the two 9 pin connectors on the right is serial port 3 and 4. The big long ones are the screen connectors. The other two 9 pin connectors in the middle are the GPS connector and misc connector for sound out from the displays and contact input. You can also put the GPS data from something like a 430 into the GPS connector, and just install the required resistor on the board in the included holes.
The bottom is the power input for each of the screens, Xponder, ADSB in and there is a power connector to serial 3 and 4 connector just in case you need power for an external serial device like an APRS transmitter.
This is a test of how you plug in most of the components.
This board does work, but I need to do a little more tweeting of the board. I already moved a few of the connector already. I also need to work on how to mount it. I have done a 3D base plate to protect the bottom of the board and a way to mount it, but don't have a 3D printer to make one. Someday I will.
Anyway, this is another idea that is out there.
Brian
Last edited by Pdtofly : 03-17-2018 at 09:35 PM.
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04-01-2018, 02:38 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Brian, my idea was similar to yours for the dual Skyview, but with the exception of splitting the network cables out on a separate board.
The main difference is that I thought there were too many Dsub connectors around already, and elected to use Molex MiniFit Jr. connectors for the non-Skyview panel connections. The Skyview panel connections use essentially a 1:1 37 pin Dsub cable.
This is what I came up with, but it's probably too specialized to offer as a bare board to others, but anyone can have a copy of the .rbb file after I've tested a version.
Fits nicely on a ExpressPCB 2.5 x 3.8 inch panel.
Like you, I think it cleans up a lot of the harnesses behind the panel. The transponder, ADSB and GPS cables are complete with no breakouts and go straight to the respective units.
The MiniFit connectors are 4 pin (1 row and 2 row), 6 pin and 10 pin, with no damage to stuff if the same connector sizes are plugged into the wrong receptacle. 
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
Last edited by az_gila : 04-01-2018 at 02:41 PM.
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