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Steve Brooks wrote:
I made it down to South Carolina, to among other
things, fly the Cozy. It had been 2 months to the day
since I had been down, so the remaining 8 hours of the
40 test hours have been slow to come off.
snipped
Since I have two separate electrical systems (engine
and everything else), I was really stunned that I lost
both like that. After thinking about it for I while,
I figured out that the master switch was the only
common link. I pulled the I/P cover off, and found
that the ground connector was pulled off of the
terminal and just sitting there barely touching the
contact.
The cause of this was the fact that when I did an
annual on the plane in May, I had added some addition
ty-raps to dress up the wiring a little more. In
doing so, I had stretched the ground wire which runs
to the master switch, which energizes the two master
relays.
snipped
Steve Brooks
Cozy MKIV
Turbo rotary
Hi Steve,
Congrats on the safe conclusion of your adventure.
I assume that the offending connector was a 1/4" 'spade lug' type connector. Did you check the quality & integrity of the connector after the incident? High quality connectors like that require an amazing amount of force to remove, usually involving pliers or prying them off with a screwdriver. If it came off with just the tension added from dressing wires with a wire tie, I'd be concerned.
FWIW,
Charlie
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