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Interesting comments here; I enjoyed reading them. But to rephrase the question that I asked in the OP: suppose we DO come up with batteries that are light, have high energy density and are reasonably priced. Now suppose that electric airplanes become commonplace. How are you going to charge...

I grew up in NC with ACC basketball. Never cared much about college football. Then I moved to Alabama. When Bama and Auburn play, the entire state shuts down. The roads are almost empty. Even the WalMarts are almost deserted. It's spooky.

Glad to hear you're being treated. FYI, my wife moved from Gabapentin to Lyrica a couple of years ago. She was having bad side effects. The Lyrica has been a blessing. Better yet, Lyrica has FINALLY gone generic. Instead of paying about $200 copay, the last refill only cost us $7.50!! I nearly...

I'll let @weirdjim and folks who have actual PIREP experience speak to that. As for lowest VSWR, the owner's manual for the antenna should have the information on that. Jim is right about making sure you use a meter or analyzer that's good at aviation frequencies.

Praying that he gets well soonest.

Actually (*cough*), we kind of strayed, there. Were you specifically asking for a *brand* of antenna, or a type of antenna (vertical, L-shaped, etc.)?

By the way, I like your Website. Looks like you have some nice stuff! The thing about a high powered array is that even the "idle" towers pick up enough juice to zap you. I've got a nice scar on my arm from when I was brazing some copper at one of the towers. Nowadays we can use computer...

;)

(Psst. Your point is valid, but it's 1,026 miles per hour, not 2,000. A circumference of about 25K miles, divided by 24 hours ...) :D

It's also possible to make the antenna a little longer than 1/4 wave to up the resistance. This makes it a bit inductive, so a small capacitance is added to make it resonant. Not a lot of bandwidth, though, as you point out above. I wonder if the manufacturers consider that when they're...

Well done! Gotterdid!

Heh. Not to mention that it's mostly done with computer modeling nowadays. Back then, they even had to do their own graphs and "spreadsheets" from a mechanical printout. I used to correspond with Dr. Jack Crenshaw, who helped calculate/design the famous "figure-8" trajectory that the Apollo...

There are many experimental electric airplanes that are flying right now, generating good, hard numbers. (Hint: I didn't pull that "100HP" figure out of thin air.) The aerodynamics are also quite well understood. Mooney gained its reputation for speed many decades ago by making the airframe more...

You're talking about a woman who wanted a bulldozer. There should have been no surprise. You have a special (and precious) woman, there, sir. :)

Yeah, there'd have to be an STC or the like for a modification that *combined* the throttle and prop control. I.e., a single control that does both. Edit: and yeah, still no ruling on precisely how they're going to do this "power index" thingie. Don't know if 200HP (or higher) would be...

Ah. Well, then, I apologize for the insinuation. I even doff my hat to you and your father. [insert smilie of Stephen doffing his hat] I guess I still don't understand what "completion factor" is or how one might diddle it.

I think you just don't like Delta. Cite some evidence. First I point out that they're the best on time. You say check "completion factor." I did. Every time I or anyone I know has flown Delta, we've gotten there on schedule, luggage in hand. I can't say the same for American/US Air, which is...

I did a quick Google and in their latest report, the completion factor was 98% in 2018 and has improved to 99% so far in 2019. Example: https://www.streetinsider.com/Corporate+News/Delta+Air+Lines+%28DAL%29+June+Traffic+Increases+6.2%25+Capacity+Up+4%25/15668765.html So, to repeat: ????? The...

??? https://www.travelandleisure.com/travel-news/delta-airlines-most-punctual-airline-in-world

Heh. First thing I wondered myself.