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Joined 7 months ago
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Cake day: November 27th, 2023

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  • Enk1@lemmy.worldtoNonCredibleDefense@sh.itjust.works104-0
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    5 months ago

    Imagine you’re breathing through a big straw, and at the other end of the straw is a device that pumps air faster whenever you’re breathing faster, say when you’re running fast. If you turn off power to the pump, you can’t breathe through the straw anymore because the pump isn’t spinning, so you’d need a second straw that opens up only when the pump is off.

    You are the engine, and the pump is the supercharger. When the engine doesn’t need to breathe fast, turning off the supercharger would conserve energy use at the expense of power output. But the design of the pump doesn’t let air bypass it when it’s off, so you’d need to engineer something (overly complex) to do it.


  • Enk1@lemmy.worldtoNonCredibleDefense@sh.itjust.works104-0
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    5 months ago

    With a Roots style supercharger like the 8-71 on Mad Max’s, if the supercharger isn’t spinning then there’s no path for air to enter the engine. You’d have to implement another full-size throttle body as a bypass to allow enough airflow into the engine when the supercharger isn’t rotating. SCs are very parasitic, hence their use mostly being limited to larger displacement engines that have sufficient low-end torque offset the draw. You could definitely resolve this with a clutched pulley and a bypass throttle-body, the complexity, space requirements, and engineering needed to make it work isn’t worth it. Multi-sized sequential triple turbos are clearly the superior solution to boost at any RPM.



  • Enk1@lemmy.worldtoNonCredibleDefense@sh.itjust.works104-0
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    5 months ago

    I mean, even without watching Top Gun the retractable wings were the coolest thing ever for a kid. It was the aviation equivalent of Mad Max flipping on the supercharger on the V8 Interceptor.

    (I know, I know. You can’t actually spin up a supercharger like that, but it’s still fuckin cool.)


  • Everyone is required to have insurance in the US or they face a tax penalty. The ACA was so hamstrung by GOP pols that all it actually did was force Americans to buy insurance with low premiums but absurdly high deductibles, copays, and out-of-pocket costs. For many Americans, their health insurance exists only for catastrophic things, because being in debt for a $5000 deductible is a lot better than having $100,000 in medical debt, despite the fact they can’t afford the deductible either. Many can’t afford preventative healthcare that many of us take for granted, because for them the choice is the $50 copay for a checkup or buying food for their family. Healthcare outcomes for them are abysmally low.


  • I’m not sure if you’re being genuine or not; your last sentence makes me lean towards racist, but I’ll give you the benefit of the doubt.

    The issue is not doctors giving lesser quality healthcare to children of color, it’s that healthcare in America is the most expensive in the world, and people of color are extremely disproportionately impoverished in the US compared to white people. They get poorer healthcare because they literally cannot afford decent healthcare.

    The US government spent the century after the Civil War preventing free men and women of color from voting and creating generational wealth. Regressive tax laws, and private school vouchers that serve no other purpose than to defund public schools people of color rely on for education are just a couple of the litany of things that keep poor people in a cycle of generational poverty. Does this also affect poor white people? Absolutely. But Black Americans are more than twice as likely to be below the poverty line in the US.

    The system is broken for all of us that aren’t shareholders and CEOs, it just happens to disproportionately affect people of color. We’re all on the same team and we’re not part of the 1%. But politicians and media have convinced 49.5% of us that the other 49.5% are our enemies so we’ll be distracted while the 1% picks our pockets.





  • Rich get richer. Had some recent inheritance roll to an IRA, looking at mutual funds to put it into until I’m required to withdraw it. There are ones tracking at 30-45% returns month after month while the economy is in the shitter. Want in? Minimum purchase amount for those funds is $100,000-250,000. The funds normal people can afford pull down more like 15% RoR on aggressive investments, which are super volatile.

    You have to be wealthy to get wealthy. 99% of us are getting fucked by the 0.1% - the 1% just happen to have enough money to get into the lower levels of the game, but the 0.1% have investment options we’ll never be party to.

    It’s amazing how many people will simp for these billionaires like Musk, and claim they’re “in the game” with their investments and net worth. They’re not. If your net worth is less than mid eight figures, you’re not in the game, you’re a rounding error.