REFLECTOR: Switch guards, switch locks, locking switches??

[NMFlyer1 at aol.com]

Chris, 
 
Since my V is all electric also, I wanted a way to manage possible 
inadvertent switching. I used AeroElectric as a guide for most of my wiring, and then 
made it fit my needs. 
 
I put the 2 electric fuel pump switches up high on the pilot side of the 
panel, above the Mixture control. You can't touch it with your hand on the 
mixture, but they are close enough to be quick to reach if you need it. 
 
I laid out my switches (toggles) at the bottom of the panel in the "normal" 
place. 
The far right is the dual ignition switch. I wired it so that either 1 is 
on.. or the other (no off). I also made it so that one side of the switch could 
fail (from a burned contact or such) but the other side would still remain 
operable. The only way for the idgnition switch to fail would be if it totally 
fell apart. If that switch gets bumped, it just switches to another ignition 
system. 
 
The next switches left are the 2 Battery Switches. Up is on, Down is off. at 
that point you are getting right by my knee... I'm pretty sure I'd notice 
something/someone that close. Still, you can turn one off and everything will 
still run. The 4th switch from the right is the "Master"  It has a "hat" on it so 
that it is different from the rest. 
I have my V set up so that: If you turn off the "Master".. everything is off 
except Ignition. Fuel pumps, backup gauges and panel lights. That way, If I 
have a smoke or wire problem I can shut down everything with one switch except 
critical engine stuff. (to shut off the rest, just turn the ignition key, which 
is hiding underneath the arm rest where it cannot be bumped)
 
The rest of the switches across the bottom are for the Pitot heat, Prop 
controls, etc.  My "emergency" switch placement is all switches up. That will 
switch from my starting ignition (down position) to the other, all batteries on, 
master on, prop fine, pumps on. etc. 
 
As you know, it takes a lot of paper to fiddle with this stuff until you 
rationalize a decent "end".  :)  Sure is fun though. I thought I'd work by design 
instead of by fix. At least that was the theory :0 
 
Kurt Winker



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