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The last, or maybe the time before last, time this came up, I actually did teh googles and found a NACA (not a typo) paper from like 1940(?) on the effect of flaps on ground roll. There was words and math that came to the conclusion that flaps help shorten ground roll with the advantages stated...

Man, that would have been awesome to go there. And it's in range, too. I could have had chicago deep dish for lunch...

Tim, usually the way LEDs are driven is with a "constant current driver". This is an active component that requires a voltage above a certain level (usually a fixed amount above the Vf of the LED), and then "does whatever it has to" to keep a constant current through the LED. So, for example...

Or heating pads and thermal IR goggles. (I think I read it in a Tom Clancy book, so must be true.)

Also, maybe solar could be made to work a little more cheaply and reliably by moving the cells to a couple of power stations off the runway, and then running wire from those boxes. You could have larger, deep cycle batteries that could stand up to the heat and load, larger panels, better...

LEDs are constant current devices. As long as the voltage is above the cut off voltage for whatever power supply is in the LED module, it shouldn't matter.

"A speed compatible with the traffic pattern" Again, what if a jet shows up? You have to work him in somehow. Assign a hold until the "traffic pattern" clears? lol. I thought one of the reasons for giving the aircraft make / model in addition to the tail number ("mooney N9999") was to give...

If at ALL POSSIBLE, try to speak with your instructor first. Make sure you're compatible.

Nope. Aside from my reluctance to swap spit with anyone, this article makes the point that's an antiquated skill with better modern alternatives: https://dtmag.com/25th-anniversary-vintage-articles/buddy-breathing-time-change/ Alternate air source is the way to go. I just need to find a school...

Well, I don't think SSI has a record of me any more. I can't even find my card. It was 21 years ago. Does PADI offer a class for that sort of thing? Honestly, given that it's usually just a couple of weekends, I figured it couldn't hurt to do it again. I have some brand new U.S. Divers stuff...

I was SSI in '96. I'd like to get recertified PADI, since I haven't been wet in 15 years or so. Anyone know if PADI still requires an actual regulator exchange when practicing buddy breathing? I don't care what the science says... don't want another dude's spit in my mouth.

Oh, agreed. But I'm not going to slow down as if it's "not a good idea to be going so fast". Tower's role is not to chastise for legal behavior. Tower could have simply said "slow to 80, enter left downwind....". But that's not what they did. I'm not slowing until required to by Tower or...

Well, wait a sec. I'm assuming that tower had radar and saw a 170kt ground speed? The 91.117 speed limit is -indicated- airspeed, is it not? I've had a ground speed over 200kts before in a mooney that does 160TAS and 140IAS. I'll point it downhill and come into a class C at 170 or so, but I...

Way to run to the extreme there. A $10 fee that wasn't disclosed at the beginning sure sounds like the counter person needed $10. Also, if they're charging $10, then I have to assume that's at least in some way related to the cost of providing a courtesy car. It's simple... don't charge me for...

Which mooney? that might be a problem with the model (which, as I understand it, includes a bunch of stuff that controls how it flies). I have the carenado mooney model, and I own a real mooney. I'm not saying it's -exact-, but I haven't found it levitating (either one).

I owned the same model car as the red convertible in "The Last Boy Scout". It's weird watching that movie and seeing them driving -my- car. I liked having a convertible, but I probably won't buy another. Too noisy, and the back window got brittle, cracked, and broke out. Still, on perfect...

Thanks. Yeah... I fool around with electronics on the side, but I'm low power and digital. A man's got to know his limitations. :D

Neither is his race, but some hay's gonna get made of that...

I don't care if they go obsolete. I like upgrades. What sucks is a fast product cycle when the damn things cost half* what my plane does. Get 'em down to mobile phone / laptop prices and I'll look forward to upgrading. * For the literal interpretation crowd, I'm exaggerating for effect here.

At a guess, judging from the one instance I'm familiar with: * Dimensions, mounting points, connectors, power supply (voltage / current), EMI, etc. have to match old display. * Certification was done with another display, vibe / shock testing would have to be redone (if any). * Software would...