28 Jun 2023 Dual PMAG wiring
Frequently, discussion comes up about how to wire the PMAGs or which switches to use. I thought I would share my design and implementation. I use 3 switches, wired like this diagram. They are...
Wiring & Electrical
11 Nov 2018 Blue sea usb
Nice little device. I bought two, one for the passenger and one for me. It does charge at the 2.1A (5v) level, and will keep an active ipad charged. I accidentally pulled it apart when removing one...
25 Oct 2018 Panel progress
The panel is in. Smoke test successful. Builder happy. Some panel pictures ...
13 Oct 2018 Some wiring details
The wiring is almost complete, so I wanted to get just a couple of pictures of the details. Below you can see examples of a butt splice with a metal collar crimped to a resistor and...
06 Oct 2018 4.8 volts bus for GRT EIS probes
The EIS seems to like 4.8 volts going to its probes and i have 5 that need this so I decided to make a little bus to make it cleaner than a bunch of splices. I...
06 Oct 2018 Stuff I need to wire
This is all that's left to do! :) Actually a lot is done. Just need to finish the EFIS, radio, transponder, and connect the panel to the aircraft....
29 Aug 2018 Mount for transponder and radio
Installed the mounts for the Trig radio and transponder. ...
14 Apr 2017 Alternator B lead install with Littelfuse midi inline 80amp fuse
Installed the b-lead to the alternator. I decided to use the Littelfuse midi fuse inline older, with an 80amp fuse. The are much smaller, lighter, and don't require me to drill another hole in the firewall....
18 Mar 2007 Battery Rack in the tail, part 2.
This is part two of the battery rack in the tail story. When I went to put in the baggage floors and sides, which go in front of and on top of the area where...
28 Sep 2006 Eggenfellner Subaru Ultra Mini Alternator #2026
Update: 20210918 I ended up removing the Eggenfellner Subaru engine and replacing it with a Lycoming. Any post that references the Eggenfellner or the Subaru should be there only as an example of what not...
24 Jul 2006 Grand Rapids Technologies EIS 4000 wiring
Update 20210918: I didn't install the Eggenfellner Subaru engine, so any post that references that can be ignored or used as a cautionary tale about how to avoid wasting many years and $50k. Here's a photo...
19 Jul 2006 Nippondenso (ND) alternator wiring
This is a short article on wiring the ND alternator. ...
12 Jul 2006 Powerlet power outlets
I ordered a couple of standard "cigar lighter" connections to provide power for cell phones, ipods, and other portable devices, but I recently found a better system called "powerlet". http://www.powerletproducts.com/ These are used all over the...
26 Jun 2006 Wig-Wag diagram
Here's what I want to do with the wig-wag module. I'd like to have an on/off switch for the landing lights on solid, and an on/off switch for the wig-wag. I want to just jumper...
23 May 2006 How does an alternator work?
This is one of the most lucid descriptions of how an alternator works that I have read. From one of the resident electricity wranglers on the AeroElectric Connection Matronics List, Brian "Brain" Lloyd. If you go...
20 May 2006 Marker Beacon Antenna
Question: Where is the source for a 40" MB coax antenna? All I find in the Connection is a 75" length for a quarter wave balun. Answer: Antennas don't necessarily need to be resonant and/or efficient. If you...
07 Mar 2006 Wiring behind the panel – 1
Now it's time to start wiring behind the panel. One of the most difficult steps is to figure out where to mount things. Once you've done that, the rest just sort of falls into place....
01 Mar 2006 starter and alternator contactor
Here are a couple of quick photos of the contactor for the alternator and starter. I really don't need a starter contactor, but to simplify wiring, I've connected the alternator to the starter, and the...
01 Mar 2006 Engine and electrical system grounding
I mounted the forest of tabs ground onto the airframe. I ran one ground wire back to the batteries, and two ground wires from the engine to this single location. All the fat orange wire...
28 Sep 2005 Capacitors to reduce electrical noise
Jim Skala wrote: >> I will use a lot larger capacitance value, but a 50 volt ceramic type is >> exactly what you want. At work, I have found that soldering a 10uF, 50V >> multilayer ceramic 1210...
21 Aug 2005 Different types of “Molex” pins
While trying to get my strobes hooked up I discovered that there are at least two different types of "Molex" pins. I needed to replace some on one of the wires connecting the rear strobe,...
14 Aug 2005 Using lock nuts on fuel pumps
My fuel pumps came with what look like brass nuts and a split lock washer. I've read that these split lock washers are not recommended in an aviation application. I would like to replace these...
15 Jul 2005 Defroster
On 14 Jul 2005, at 12:05, Mickey wrote: >> I'm thinking about a kind of defrost vent in the >> glare shield. I think a couple of PC muffin fans >> would be perfect, but before I...
28 Feb 2005 transponder antenna
Just a couple of pictures to document the transponder antenna installation. Quite simple, and no surprises. ...
27 Feb 2005 ELT Antenna placement
Finding the right place for an ELT antenna on an RV8 is not easy, since the canopy slides back over the entire length of the fuselage right up to the Vertical Stabilizer. This means that...
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