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Jims RV-8
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Date: 8-27-2021
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Number of Hours: 10.00
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Manual Reference:
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Brief Description: Electrical Wiring Decisions - A
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This "session" encompasses the electrical decision making that I worked through during the week of 8/22 - 8/27 and is probably short by half, but I really wasn't counting, so ten hours is what it is.
I researched, re-read and got opinions from a lot of people that are smarter than me to make the decisions on this architecture. I am now happy to have worked thru the "needs and wants" of my system and now I have a plan for moving forward. How to build the electrical architecture (switches, wiring sizes, diodes, distances, CBs, Fuses, etc.) to take what is on the paper and make it work in the airplane - with the electrons flowing like they are supposed to.
In a nutshell, a certain amperage of electricity needs a certain thickness of wire to carry that electricity, or it will overheat the wire. The longer the distance the electrons need to move, the larger the wire for the same amperage of electricity... so when you increase distance or amperage, the wire gets bigger. Which changes the decisions. There are tables to be consulted with how much electricity can be carried, how many amps a switch can handle, and how much a diode can handle, whether it's a circuit breaker which is a slow blow vs. a fuse which is faster to blow, etc.
Also, determining what the failure modes will be and how they will be dealt with... next page...
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