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Every installation print I've ever worked with, dictates the size of the "circuit protective device" (this covers the really old ones that called out a fuse), required. Many, then indicated the wire size needed to satisfy 43.13. On the back of many circuit breakers I've seen, there is a "line"...

any guesses?

"whichever is lowest" "A circuit breaker must always open before any component downstream can overheat and generate smoke or fire. Wires must be sized to carry continuous current in excess of the circuit protective device rating." I always use the old adage " what comes first, the cart or the...

The wire size is set to carry the max load of the breaker indeed, the breaker is selected as I explained above, the way I was taught anyways.

Never heard of the Curta until now, It reminds me of my Addometer

Wow! I have never seen one of these.. This is the cool stuff that makes up the history of our craft, bizarre as it may seem. "Science serving the pilot"!

I was taught a breaker should be rated at 150% of the max load. In today's world, pulling and resetting a breaker, is done to reboot a software controlled device many times. I do believe there is a finite number that can be put on the cycles of both a manual pull and reset, and an over current...

Here is a term I heard about, but thankfully never needed to rely on. I was told you were listening for silence between a dashed signal, and a steady one...

Once on the critical, leave the others out. On one of the routine certification flights between KGJT and CNY in a T210 I noticed the main gear hanging out of the wells. I alerted the pilot, we saw the breaker out, he began resetting it. After the second or third time I told him to stop and...

Who got screwed up training with one of these..

How about the old RCA radar with the polarized lens dimming.. My wife gets a kick out of this piece.

That was wielded by my Father, more like the fifties.. Thank you for noticing.

This is a Cessna 400B servo from the seventies. Minus the the mount. Not sure if the H-14 one was rated with or without the valve assembly that is not there.

One of the several challenges of this system was to rebuild, then balance a pair of dithering pneumatic valves, what a blast! I must say, when I got it right, they flew very well.

This one has a King data plate, notice the honeywell P/N

Tubes, these system had vacuum tubes, and a really important one regulating the power supply. It also relied on air pressure, long before the term analog was ever conceived I believe.

I believe it was the pitch servo, the other one is on a shelf in my garage, the one my wife wants me to clean off!! This was, I believe, the first Cessna 800 autopilot. Honeywell built a system referred to as the H-14, Cessna rebranded it as theirs. I repaired several of these systems, and...

I'm a bit shallow, I know!! Who has flown with this system?

I assisted in removing this from a 421, any ideas?

Thanks Doc You are correct, funny, I graduated high school in Glenwood Springs, used to ride my dirtbike around the grave... This will lay to rest now.