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buildsjets

3,378 karma · joined February 27, 2020

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buildsjets··on New York thoracic surgeon: "For many patients 9/11 is not over"
Paywalls only exclude plebians. Being able to bypass a paywall is a competency test for the use of the internet.
buildsjets··on NTSB issues investigative update on B-767 runway excursion accident in Miami
It costs money to have a contractor service the lavatory waste tank after every flight.

Since the lavatory is not on the Minimum Equipment List, it would cost 30 minutes of paperwork to update the maintenance log and declare it inoperative.

Depends on how much of a psychopath the person doing the cost-benefit analysis is I suppose.

buildsjets··on NTSB issues investigative update on B-767 runway excursion accident in Miami
The Boeing 767 does not have a Flaps 40 setting. The "Forty" callout was an automated annunciation of the radar-altimeter measured altitude above the runway.
buildsjets··on Cybercab Launches in Austin
If a Cybercab launches and nobody comments on it, did it really burst into flames?
buildsjets··on Dextroproporphan: An Analogue for a Better Dextromethorphan?
It takes at least a full bottle or two to begin robotripping.
buildsjets··on Wendell Berry has died
I hate people, but I love gatherings. Ironic, isn't it?
buildsjets··on I Don't Have a Smartphone
Yes, I have left restaurants because they only offered a QR code menu, and I plan to continue to do that in the future.
buildsjets··on A Selection of Los Alamos Rolodex Business Cards
They're still in business today and manufacture the explosive squibs that are used inside some brands of permanently installed aircraft fire existing systems. But it's really a pretty small, contained explosion. I think they also do airbag inflators.

I had a chance to be onsite at a different facility when they set of the SEMTEX in their 25 acre blasting site. It was impressive. A true earth-shattering kaboom. They were welding a plate of titanium to a plate of aluminum for us. http://highenergymetals.com/

buildsjets··on Thanks to Lake Ontario, MapQuest is popular all over again
Not only did I have no idea that Bing or Bing Maps still existed, but the very fact that they ever existed at all had slipped from my consciousness.
buildsjets··on American Airlines mechanic Azriel “Al” Blackman has died
Before you can placard something as INOP, you must determine whether the manufacturer and certifying authority have included that part in the Minimum Equipment List or Dispatch Deviation List. Mechanics do both get to determine this at their own discretion. Hence the call to the manufacturer for clarification on the necessity of said pin.

To reiterate, you CANNOT fly an airplane with an undocumented missing part. If the part is documented in the logbook as removed, and it is acceptable to fly that way, then it is not missing.

I have been building and maintaining commercial aircraft for a living for 30 years. What is your experience?

buildsjets··on Accidental Aesthetics and Romance of Power Wires
Now imagine if you were able to see the ultraviolet corona discharge emanating from the wires due to the high voltage, as some animals can.

https://www.theguardian.com/environment/2014/mar/12/animals-...

The story man was glassy-eyed

He told me about the power lines

And in subarctic caribou eyes

The metal wires burst into life

buildsjets··on Cheap GPS jammers are filling the world with navigation dead zones
If you are a general aviation goober like me, flying a 1960's propeller airplane, sure, that is true.

However, in a modern commercial aircraft, all position sources including VOR-DMEs, GPS, and IRS are cross-compared by the flight management system and turned into a latitude, longitude, and circular error of probability. There is no TO/FROM flag to worry about in a 777, and no reverse sensing on the back side of a localizer approach.

buildsjets··on Cheap GPS jammers are filling the world with navigation dead zones
VOR is extremely short range and requires an extraordinary number of transmitters to provide any volume of coverage. Additionally it cannot provide coverage over oceanic areas. We USED TO have a nearly global long-range land based navigation system called LORAN, which only required one master station and a few remote stations to provide continent-scale coverage. But it was decommissioned in a cost savings move after it was determined that it could be replaced by GPS. It worked perfectly fine until it was decommissioned in 2010, not that long ago.

In the '90s I used to fly light aircraft back and forth between Seattle and Alaska. You were frequently out of range of any VOR transmitters, but that LORAN always worked. NDBs? That didn't work so great for Ron Brown.

https://en.wikipedia.org/wiki/Loran-C

buildsjets··on The elementary school pickup incident and the road ahead
Instead of screwing around with a chatbot to have an ai write a humorous incident report, you could have been playing with your child..
buildsjets··on USDA recalls 30k pounds of Argentine beef sold in Texas and Florida
Well, at least we can all enjoy a healthy salad instead.
buildsjets··on A joke domain purchase turned in geopolitical warfare
Not just wind speed, but all kinds of weather data can be extracted from radiosonde recordings. The data output is called a Skew-T Log-P graph. Some examples of how to interpret them at https://www.weather.gov/source/zhu/ZHU_Training_Page/convect...

There are of course several different global weather models that predict the behavior of the atmosphere, and it is a lot more complicated than just interpolating past data. But they all do rely on radiosonde data for daily calibration of actual atmospheric conditions.

buildsjets··on Engineers will do anything to avoid learning from history
That's totally untrue. You clearly do not have any experience designing, building, manufacturing, testing, and certifying either cast metal or PBF parts. BTW, PBF is powerbed fusion and it is how you make 3D printed metal parts. FDM is a plastic manufacturing process and has nothing at all to do with replacing metal castings.

For a certain aircraft part that I designed, that measured approximately 16"x8"x10", if you needed up to 12 of them it was cheapest to 3D print them using powerbed fusion from AlSi10Mg, but with a 25% weight penalty due to the lower mechanical properties of 3D printed aluminum compared to cast. If you needed between 12 and 50 of them, it was cheapest to use 3D printing to make a wax preform then use the preform to make a traditional metal investment casting from A356. For more than 50 of them, it was cheapest to invest in permanent closed die tooling.

Other than for prototyping and extremely low volume production, additive has been a total flop for real-world manufacturing, and has not at all lived up to any of it's lofty promises.

buildsjets··on Every Fucking Website (2020)
WARNING: Reading his post can expose you to photons, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
buildsjets··on Donkey.bas is 45 Years Old – 131 line of Glory
Clearly this needs to be replicated as GTA minigame.
buildsjets··on Thanks to social media, canned sardines are a scarcity on the supermarket shelf
Now I drive my downeaster "Alexa"

More and more miles from shore every year

Since they told me I can't sell no stripers

And there's no luck in swordfishing here

I was a bayman like my father was before

Can't make a living as a bayman anymore

There ain't much future for a man who works the sea

But there ain't no island left for islanders like me.

buildsjets··on Principia Mathematica is modern and insightful
I’m working on it every day during lunch break. Good old hardcopy.
buildsjets··on Federal vendor with $50M in contracts leaves portal broken for a month
B is absolutely not easy to fix, if the government does not offer the bid for public application, and pre-selects the one bidder that they plan to award the contact to, and only invites that one contractor to submit a bid.

I think that you have a naive view of the level of corruption at play in this country. This is how you end up with an incompetent swimming pool contractor destroying a national monument for profit. https://www.cbsnews.com/news/company-trump-donor-cafaro-refl...

buildsjets··on England set to be one of the first countries to eliminate hepatitis C
You're thinking of Objective Chlamydia, I believe.
buildsjets··on 50k Boat Names
Naming things is hard, it's best to pick a theme and stick with it.

A Columbo family mafioso I grew up near used to be in a never-ending competition with the Sultan of Brunei and the Aga Khan over who owned the worlds fastest megayacht. He named his megayachts after James Bond movies: For Your Eyes Only, Octopussy, Moonraker, Casino Royale, Skyfall, and Diamnonds are Forever.

https://www.boatinternational.com/luxury-yacht-life/owners-e...

https://www.cosanostranews.com/2012/03/crime-really-does-pay...

buildsjets··on Taylor Farms recalls salsa and guacamole over salmonella risk
This company really bribed the Trump administration to relax health and safety oversight of their operations. The resulting increase in frequency of contamination by filth (feces, poop, crap, shit, turds, brown water, sewage, reclaimed biosolids, whatever you desire to call it) is an direct and easily foreseeable consequence of that reduction of inspection and control. They fertilized their crops with wastewater to save money.

https://www.wired.com/story/diarrhea-outbreak-taylor-farms-m...

buildsjets··on Two wheels, a few tradeoffs, and gas prices
I get it, I have over 60,000 miles commuting on two wheels (Most of them on my 2003 Kawasaki ZR-7s that I have owned since new and just rode to work on Thursday), in all kinds of inclement weather, primarily to avoid parking hassles and traffic. But I'm also lucky to be alive, because one day, I was waiting at a red light, and the guy who was stopped about 2 car lengths behind me was so drunk he hallucinated that the light turned green, punched the gas, rear ended me, and drove me and my bike into the 3 cars ahead of us. I was remarkably uninjured, but could easily have lost my legs or worse. There was nothing I could have done or forseen to avoid the collision.

My wife had a separate motorcycle accident on her Ninja 500r that she caused by turning left against oncoming traffic and getting T-boned. The car bumper hit her directly on the right foot, breaking most all the bones in her ankle, then flipping her over the hood and breaking her femur. She had to have bunch of bones in her foot fused, walks with a pronounced limp, and can't go to any event where she has to stand for more than 30 minutes at at time. We used to go to all kinds of rock concerts, now she has to skip the pit and is stuck in balcony seating.

Motorcycles can be convenient and a whole lot of fun, but do not underestimate the statistical likelihood of a life-changing accident, especially if you are in a position where you have dependents that you have financially and emotionally committed to. I have cats, they won't care if I eat it, so long as THEY get fed by someone.

buildsjets··on Software development with AI is starting to feel like cooking steak
I use it to spot check the temp of my cast iron pan all the time.
buildsjets··on The most official water costs $120k a gallon
I’d suggest you read “The TSO’d Pencil” to understand the reference.

Http://www.rstengineering.com/rst/articles/tsodpencil.pdf

buildsjets··on The most official water costs $120k a gallon
The pencil hardness scale is commonly used to assess paint film hardness by checking what is the softest pencil that can mar the surface when you scratch it with a given force. In this case, we needed to assess whether exposure to a certain chemical degraded the integrity of the paint coating that we were counting on for corrosion protection.
buildsjets··on The most official water costs $120k a gallon
Truth. I once paid nearly $500 for a set of 17 certified, calibrated wooden pencils, with documentation showing that each one met their rated hardness levels of 9H thru 6B. And for $500, they don't even come with erasers, that is an added-cost option.

https://www.gardco.com/product/pencil-hardness-test-kit-astm...

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