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See last 2 paragraphs by Geezer, just above. The dates may be for the wrong patent, as he had 6 patents related to super magnets. He worked for the Navy, the Secretary of the Navy was the assigned patent holder for most of his patents.

As always, Dan has the wiring diagrams to prove his points. Mine were donated when I downsized to an apartment. He has tweaked my memory, and yes, that fuse by the battery is the clock. Thank you, Professor Thomas. The switched ground for the master solenoid is called "Fail safe" engineering...

But the shoes that fit you are a mile away, and someone else has them.

There is a category of planes which are designed purely to haul a maximum load. The B 24 was one of those. It was also designed to be built by a car manufacturer, with unskilled assembly personnel. I visited one being restored in Florida, and was amazed how crude the overall design was, but...

Lets consider just 2 circuits where switching ground makes sense. I am not looking at any specific manufacturer drawing. The master solenoid is located as close as possible to the battery. A small hot wire from the battery goes directly to a nearby small fuse, then to the coil of the master...

They may have been north of First Flight when the decision was made, and obviously low on altitude.

Is the runway long enough for a 414? Well, it depends. Not long after the airport opened, a KC 130 returning from a refueling mission out over the ocean ran out of fuel, lost all 4 engines. They declared an emergency, and ATC vectored them toward Elizabeth City. The crew later reported they...

Ground gave a bad clearance, pilots failed to get a wing walker to provide certainty of space to taxi. CRJ was at the hold short line for the departure runway when it was hit.

There are many whole nine yards connections, but the aviation one is pretty clear. What does the whole 9 yards mean urban dictionary? Urban Dictionary: Whole nine yards. Phrase equivalent to "Everything that is available." Has nothing to do with football. In fact, the phrase comes from the...

The Whole Nine Yards comes from the ammo bays in WW 2 fighters, which held 9 yards of ammo. A returning pilot would report to the armorer that he had used the Whole NIne Yards, if the ammo had been used up. Edited to add: The importance of this information was that if some ammo remained...

Tally Ho when you spotted the reported traffic from ATC radar. No Joy, if you did not find the other aircraft, often resulting in a new direction and distance. Talley Ho was adopted from the Fighter squadrons, first pilot who saw enemy aircraft or ground targets announced direction, and when...

The example of balls to the wall, aviation, is not convincing. The Boeing example has spool shaped spacers, to fit fingers. The GA version is familiar to me, from Cessna's Pipers, and Beechcraft, but those are about one quarter as thick as they are wide, so no balls there. Definitely never...

Bought the farm. Crashed fatally, Augured In, spun to the ground, fatally.

Blind Robins. Early aviators who got caught on top of a thick layer, and descended through to VFR conditions below. This was before gyro instruments. You had to live to tell the tale to join the exclusive group. I met a group of about a dozen, having a very private party, all were many...

Balls To The Wall is a Naval term, not aviation. Referred to the round weights of the steam flow of centrifugal governor. All the way full flow of steam, the balls were all the way out, next to the boiler room wall.

Any one else amused by the lower altitude video coming from a Cress na? NASA closed caption software needs an update. Great landing, though.

The Capitol, Mall, and White House were always restricted, but not enforced vigorously. My flight was radar vectored, so ATC was responsible for the incursion, as well as the reporting, so no inclination on their part to notice. I enjoyed the sight seeing from the air.

Interesting, I flew through some of that airspace about 30 years ago, no phone call needed. Left traffic pattern from the southeast, vectored arrival. Landed a Cessna 172 at Washington National. Just for the logbook entry!

Cap'n Jack said: Don't forget the Fukushima Daiichi Nuclear Power Plant. Someone else will mention it. I believe the earthquake and tsunami destroyed the city and killed people, the nuke plant was mostly a temporary problem. The temporary shutdowns of other reactors to asses if they might have...

Yoke looks great. Will the temperature of powder coating affect the temper of the tubes? Would plating be more desirable?