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Careful when flying under a surface. When you get close, your quadcopter will get sucked up to it. I'm not an aeronautical engineer, but I think what happens is the rotors get much more efficient when the surface blocks the vortex doughnut around the rotor. Then, Phoebe got a propeller tip...

I was surprised it didn't hit the ground, but managed to hover. It was in "ATTI" mode now, and I wondered if I should land and go get or try to fly it back. I couldn't tell what direction it was pointing, so I decided to go up to be over the trees. It switched back to GPS mode, so I mashed the...

Oops! I did a "Quickshots" orbit with my new Spark.

So, waiting for the drone to arrive, I made a video with my $30 "action cam." And the new quad arrived Thursday. Had a little trouble getting it "Activated," but it phlew today.

Oh. Poop. Since they couldn't deliver it Sunday or Monday, they're waiting till Thursday.

You might have noticed that I haven't posted much the last few months. In December, the owner of the blue spark I had been flying decided I was no longer his friend, so I no longer have access to his spark or the camera I was using. But now I have something much better! A job! You know, where...

Isn't that an oriental art form?

Perhaps you gave it to Mralias!

Made up with a typo?

A little puzzled over that too. WIFI barely covered the house, but the spark works WAAAAAYYYY over there. Perhaps it sends a stronger signal than the wifi routers.

Forgot to change that setting and went a long way. When the battery went low, Sylvester went to fly back... No! Cancel that!

Beware of British immigrants?

Rats. "Elliot!"

Ow. That smarts. Did that once with my "American R/C Helicopter Revolution" in about '81 or '82. There was a crash video by an R/C shop that taught people to fly helicopters. It was set to the tune of "Another one bites the dust!" At model airplane trade shows, it would show at different...

Romana was an S100 machine, 2 "Qumetrack" 8 inch double sided double density drives, Z80, 64K ram in a steel box 2 ft square and a foot high, 4 color IDS "Prism" printer and televideo terminal. The box said XOR in big letters. Oh! This is her! My two drives took up both drive bays and the...

My first computer had 1200K 8 inch floppy drives. Even after AT's were common in the mid 80's people were amazed to see my CP/M computer, "Romana" running.

I remember "Disk Packs," but never got to mount one myself.

I started programming when 8080 chips were new and exciting.

I took 3 years to pass 3 semesters of Calculus trying to get an engineering degree. Went into Computer Science instead where I survived Linear Algebra but enjoyed Combinatorics and Chaos. I did once do "numerical integration" in a program. I occasionally have used some trig in programs and many...

So, who wishes they'd paid more attention in Calculus?