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quickthrowman

4,133 karma · joined December 18, 2019

I can dance underwater, and not get wet.
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quickthrowman··on Canada fast-tracks Pacific oil pipeline to reduce US dependence
The only country in the entire world that has a name that contains the word ‘America’, the United States of America.

I don’t know why people think they’re clever when they pose this rhetorical question, particularly when someone is stating their nationality. The demonym ‘American’ refers to a citizen of the United States of America.

quickthrowman··on Ukraine Can't Stop Russia's Jet-Powered Shahed Drone
> Deploy troops to Ukraine it wont trigger nuclear war.

I’m not as eager as you are to test the resolve of Putin re: nuclear weapons. Once the button is pressed, the game is over for everyone.

quickthrowman··on Tobacco – Smoking Cigarettes – Radiation Dose
There is no radiation dose from vaping. The nicotine is either extracted from tobacco or synthesized in a laboratory. The paper said the polonium sticks to tobacco leaves and I would bet the lead comes from the soil and it remains in the plant material.
quickthrowman··on Japan officially overhauls permanent residency rules
Haven’t you heard? Robots are going to care for the huge portion of the Japanese population over the age of 65, which is currently 30% of the population. Yes, this is a real plan that the Japanese government has.

https://japantoday.com/category/tech/japan-biz-labor-scarce-...

Allowing foreigners in would disrupt the glorious harmony of Japan, so robots it is.

quickthrowman··on The End of a Fair Price: Dynamic Pricing and the Normalization of Gouging
Every retailer you switch to also notices your buying power and charges you twice as much. Now what?
quickthrowman··on Moist-Electric Wallpaper for Indoor Energy Harvesting and Humidity Management
Condensate is not suitable for drinking and 99.9% of homes don’t have a separate gray water plumbing system or storage tank. Even the evaporator coil in the furnace/fan coil unit is going to be dirty, and the condenser coil outside is definitely filthy.
quickthrowman··on Most data centers refusing to say how much water, electricity they use
Construction permits for housing also ensure that the next owner of the house isn’t dealing with a bunch of problems down the road due to substandard methods and materials. That’s the primary benefit in my opinion, along with life safety.
quickthrowman··on Most data centers refusing to say how much water, electricity they use
94% of the US population lives in a metropolitan or micropolitan area. There are ‘micropolitan’ areas in my state that’d I would colloquially consider rural, and there are large areas of the metropolitan area I live in that I would consider rural.
quickthrowman··on Most data centers refusing to say how much water, electricity they use
If a water system doesn’t have capacity for a data center, they shouldn’t connect the data center to the water system.

When you apply for a connection to a utility, they make you tell them your potential usage so they can assess if they can even connect you.

quickthrowman··on Most data centers refusing to say how much water, electricity they use
500kW is basically 0kW when it comes to data centers. That’s only 600A at 480V three-phase, a McDonalds restaurant has a larger electrical service than that, lol.

I have more than one customer with a single motor that uses that much power.

quickthrowman··on When oil prices spike, where does the money go?
Oil is an input cost to everything, if the price of oil goes up, so does everything else. Some forms of demand are inelastic, which means people will continue hitting the rising ask as prices go up. Commodity prices going up definitely causes inflation.
quickthrowman··on Sustainable energy without the hot air (2008)
> with a electric heat pump you only need 1/6 J to get 1J of heat

The COP of a heat pump is not fixed at 6, it’s dependent on the delta T between the evaporator and condenser. As delta T grows, efficiency drops.

An air source heat pump will have a COP of 2 with a delta T of 70F/39C and a COP of ~4-5 with a 10F/5.5C delta T.

I’ve only ever seen a COP higher than 6 in a system that had a chilled water loop with chillers and cooling towers.

quickthrowman··on How Delhi cut electricity loss from 50 to 5 percent
> One of the ways to prevent theft is to insulate the power lines going into neighborhoods.

This is going to be less effective going forward due to insulation piercing connectors, which simply clamp around an insulated conductor and pierce the insulation to connect to the conductor underneath.

A suitably insane person could also just strip the insulation from a small segment of the conductor, one phase at a time, and hand wrap a splice conductor around the live one and tape it up.

Great news for the monkeys though! I would not want to witness a monkey making contact with two uninsulated conductors on different phases, yeesh.

quickthrowman··on The End of a Fair Price: Dynamic Pricing and the Normalization of Gouging
Car insurance is a terrible example to use, drivers and cars are not fungible. The risk of insuring a driver and/or vehicle has a lot of variance.

Do you want Amazon charging you twice as much for a product as someone that has half as much disposable income because they’ve determined you can afford to pay more for the exact same physical item?

quickthrowman··on The End of a Fair Price: Dynamic Pricing and the Normalization of Gouging
Homeowner’s insurance does not cover replacing a roof after 5 years if poor workmanship or substandard materials are the reason that replacement is needed.
quickthrowman··on Scientists solve 1840s space weather mystery
> 4. As long as there’s a neutral line, i think any common mode should be rejected, in which case this should be fine?

The (grounded) neutral conductor actually completes the circuit, a wye/star transformer has a grounded neutral and the primary and secondary neutral terminals are bonded. The return path is ground and all of the transformers are linked together via the grounded neutral.

Apparently this can be mitigated by wiring a capacitor into the grounded neutral path of a wye transformer.

I’m not an EE, just an electrical PM who knows enough to be dangerous :)

quickthrowman··on Hitachi to double US production of small and medium-sized power transformers
Yes, a solid-state motor starter uses semiconductors (thyristors) to switch the line voltage power instead of using (an) electromagnetic contactor(s): https://www.eaton.com/content/dam/eaton/products/industrialc...
quickthrowman··on Hitachi to double US production of small and medium-sized power transformers
There are no solid state electronics or semiconductors in basic AC transformers, it’s an iron core with aluminum windings coated with enamel and wrapped in paper with a bit of wire and some taps and lugs for terminations.
quickthrowman··on Hitachi to double US production of small and medium-sized power transformers
I suppose they manufacture distribution or transmission transformers, I buy a lot of dry-type transformers and have never seen a Hitachi one, it’s almost always a Siemens/ABB/Square D/Eaton/Hammond.
quickthrowman··on How we learned to stop worrying and love campus surveillance
You don’t even need to read it, the title of the article implies its satirical nature given it is paraphrasing the subtitle from the film Dr. Strangelove.
quickthrowman··on Boards of Casio
Quite an apropos username for a post praising BoC :)
quickthrowman··on Toyota is taking the Corolla electric
Assuming you have a 200A service, you don’t need to replace your panel. You can remove two single pole breakers or one two pole breaker, install a 100A two pole breaker in the empty space, buy some 3/#1 copper SER cable (two hots and one neutral for 240/120V) and use it to feed a $125 100A load center without a main breaker.

You need to use #1 copper for a 100A subpanel, you can use 3/#2 aluminum cable for a 100A service entrance but there’s an exception that allows using wire rated at 83% of its ampacity for a service entrance conductor which does not apply for subpanels.

Refeed the two removed breakers out of the load center and add a 60A two pole breaker to feed the EV charger, if it’s a cord and plug charger that you plug into a NEMA 14-50R you’ll need a GFCI breaker, if it’s hardwired you don’t need a GFCI breaker.

The material can be purchased for less than $500 for this project, if you have to hire out the labor it’ll be considerably more expensive, I’d estimate one day for an electrician or around $1200-1800 depending on where you live.

quickthrowman··on Japanese used bookstores see 5x sales surge as books are being bought by the ton
Please provide proof for the billions of dollars claim, thank you.
quickthrowman··on Japanese used bookstores see 5x sales surge as books are being bought by the ton
A judge ruled it was OK to scan books and save the scanned copy if you shred the physical book afterwards.
quickthrowman··on Japanese used bookstores see 5x sales surge as books are being bought by the ton
Feel free to buy books by the ton and preserve them yourself. The simple fact they’re being sold by weight implies they’re not rare or unique.
quickthrowman··on Disney+ and Hulu raise prices by up to 13 percent after doubling profits
If you’re lazy and don’t mind dealing with a few ads, search yandex for ‘[content name] free stream’ and use one of the many pirate stream sites that show up in the results. Adblocker highly recommended.

I have access to a well-seeded 20+ year old private tracker but usually use the above method to stream content for free these days.

quickthrowman··on Owners mourn spoiled food after firmware update bricks Samsung smart fridges
> I remain baffled when people buy a 7 year old used V6 Traverse, a vehicle extremely well known for catastrophic engine failure

I’m puzzled as well, buying a car that depreciates 60-70% in 7 years seems like a horrible idea, you could spend roughly the same on a Toyota Highlander or Honda Pilot and only face 30-40% depreciation after 7 years. This information is freely available if you google “[vehicle model] depreciation curve”.

Nissan (and Stellantis, Mitsubishi) decided to stop making better cars and focus almost exclusively on subprime lending, the rest of the story tells itself once you have that information.

quickthrowman··on DoorDash Spent $1.4M Trying to Stop Mamdani from Becoming Mayor. Now We Know Why
Food delivery services offer convenience for a price. If I hire a courier service to bring some materials and tools to one of my electricians, it’ll cost me a minimum of $50.

I can pay a bit extra for food and $10 in tips and fees to have it delivered to me instead of spending half an hour driving to go get it myself. I know what I’m paying for and value the service they provide.

quickthrowman··on Transit rewards
There are a couple of metro areas that escaped this problem by having regional government, Mpls/St Paul, MN and Portland, OR.

Minnesota has the Metropolitan Council which derives its power from state statute and can supersede the decisions of local governments. The same people that bitch about ‘my tax dollars’ complain about the Met Council but I feel it provides a cohesive regional planing organization and they provide water, sewer, transportation, and regional parks. https://en.wikipedia.org/wiki/Metropolitan_Council_(Minnesot...

Portland, Oregon has a similar organization called Metro that I am not familiar with, other than it is similar to the Metropolitan Council. https://en.wikipedia.org/wiki/Metro_(Oregon_regional_governm...

quickthrowman··on What California is learning from solar panels built over irrigation canals
Ah I see what you’re referring to.

I was taught that the safe way to keep using the old pre-8000 series wire is to use the specific listed fittings for this purpose (WAGO 221 series nuts are fit for purpose) with contact paste and a copper pigtail that connects to the device.

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