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The rocket equation is cruel, particularly when combined with gravity losses. Saturn V used up 8% of its fuel just clearing the tower. So a little...
I would imagine that catching all four grid fins at once (rather than two) would be much better for load-balancing. I'm envisioning two...
Hypothetical question: given the recent discovery of phosphine in the upper cloud layer of Venus (raising the faint possibility of microbial life...
I just spoke to Tesla Energy again, and it looks like there's no way to repurpose any of my current installation toward an upgrade; they'd...
I think it's currently on a 50-amp breaker, which should be capable of handling 9.6kW continuous. The house has 400-amp service, so there's plenty...
My original modules were First Solar FS-275, 75-watt panels with 10.42% efficiency. (My installation has 60 of them.) Tesla's latest panels...
Update: it looks like one of the two circuit boards inside the inverter is failing, capping the maximum load at 1.8kW. Even though my solar system...
Both of these articles are years old; they were written before SpaceX had reflown a single booster. (And of course they don't mention or...
This sounds to me like circular reasoning, or a self-fulfilling prophecy. Once a fully and cheaply reusable rocket is created, the market for...
The display shows error 443, which indicates a printed circuit board fault. Rebooting the inverter causes it to work normally until the power...
Here's the label on the outside of the inverter box. It's possible they only replaced a component inside the box, so the label may no longer be...
I've had a 4.5kW SolarCity installation since 2009, and recently had the inverter replaced under warranty (barely). But I just noticed in the...
Thanks Tam. I haven't noticed anything leaking into the passenger compartment, but will take a closer look. Touchscreen still works fine....
Thanks Nick. Do you know if it's easily fixable by service, or something people just live with?
My 2012 Model S P85 is experiencing a bizarre problem. Today the windshield wiper fluid sprayer stopped working, and shortly thereafter I noticed...
My understanding was that the floating platforms would be for Earth P2P and thus would need to support only Starship, not Super Heavy. The Super...
That looks fantastic!! Gorgeous with the walnut and carbon fiber. The LCD display shows a digital speed readout as well? I suppose the display...
I recently had a charging cable stolen because my Model 3 silently failed to auto-lock. With Tesla's help we diagnosed the cause: the bluetooth...
Or a Falcon Heavy Heavy!
I went to spacex.com and clicked the livestream link from there. The "DEMO-2" text went away shortly before the launch. Just went back to check...
Watching the livestream now. Caption still says "Demo 2 Launch" haha
Yes of course, you want to start with a clean dry mask. If it gets slightly damp because you're breathing into it, that's probably ok. (Might even...
Cloth masks stop liquids (droplets) very effectively, more so than tiny solids (pollen) or gases. That is the whole point. The compounds emitted...
If you start coughing through your ears, definitely see a doctor.
"Macrolide" = antibiotic like azithromycin. (I had to look that up.) From the huge firehose of HCQ articles and studies I've seen, it seems that...
Forehead swipe, super annoying I agree. I think most places in Asia use a touchless infrared sensor. But it's not necessarily a bad idea to do it;...
Is this chart for Tennessee, or just Knoxville? Keep in mind that testing has also increased substantially since April 8, so the actual number of...
Yes, just the "easy" mitigations (no large superspreader events, conventions, packed bars/nightclubs or subways) immediately lowers R by a very...
Oh yes, if someone with COVID coughs directly in your face or on your steering wheel, you're hosed. That's why ICU docs need full face shields or...
Sure, not a perfect mitigation, so it's not a substitute for distancing / masks / gloves / hand-washing / etc. (None of these things are...
It doesn't need to be perfect. It takes a measurable dose of virus (several hundred particles) to cause an infection, so killing most of them...
15 minutes in 133-degree air would probably not hurt you. People regularly spend 5-10 minutes in 170-degree saunas with no ill effects. Also it's...
Presumably the heating would kill any airborne virus in the car too (though opening the windows for a few seconds should be nearly as effective).
Just saw this headline: Ford's police SUVs will heat up to 133 degrees to disinfect the interior - CNN What do you think, should Teslas have a...
Launching at a different time would require an "orbital phase maneuver" to synchronize the orbits once in space, which would add complexity, time,...
My Model 3 VIN #20xx is in service getting the HW3 upgrade right now. (Los Angeles.) I brought it in for different reasons, but the upgrade...
MYSTERY SOLVED. The walk-away lock failed to engage because the car had lost the Bluetooth key connection to my phone during the drive. And the...
Tesla recently added the "Save Clip on Honk" feature. Perhaps they should add "Save Clip on Charging Interruption", or any other occurrence that...
I've had the same thought. I think they really should put in at least a 5-minute delay after a button press to prevent casual theft. (If the car...
Sounds like an identical situation to mine (except that you luckily got your cable back). Definitely ask Tesla to pull the logs to find out why...
If thieves are walking around with equipment to steal wheels, they're probably going to be stealing wheels and not charging cables. (The set of...
My high-tech solution for now. (Thanks jsmay311!) It's not Kryptonite, but hopefully a reasonable deterrent, and also hopefully the charging port...
I did invest in the NEMA 14-50 outlet, $700 or so for everything. A full HPWC installation would have been quite a bit more involved and expensive.
Ah, yes, maybe. Other people in the neighborhood have shared burglary footage that looks quite similar to this person, so it doesn't seem like...
Sentry Mode, unfortunately, was not active at this location. (Although it's wasn't at my home, it was saved as a Favorite which inadvertently...
It's a rental property and there is no interior garage, so HPWC would be overkill (and/or another target to steal, or be damaged in an attempt to...
In this case I disagree. The normal behavior of the car in this scenario is to lock the charging cable to the port, which should be enough...
It was near the beach, temps were around 61 degrees at the time of the theft. (Los Angeles, CA Weather History | Weather Underground) Certainly...
Driveway but no garage at this location. I'll try to find a padlocking solution, and improve the lighting.
A few days ago my Model 3's mobile charging connector was stolen from my driveway, while plugged in and charging. Sentry Mode was off, but the car...