• 6 Posts
  • 49 Comments
Joined 1 year ago
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Cake day: June 13th, 2023

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  • Erismi14toGreentext@sh.itjust.worksAnon likes bikes
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    11 months ago

    Wear a raincoat or winter jacket, much cheaper than a car.

    I have a trailer that can hold 40 kilos. That’s enough for anything I need regularly. I rent a moving van for the once in a couple year big item hauls.

    Cars spread things apart making places take long to get to not using a car.

    When you say takes long to get anywhere by bike, it is a self report you don’t live anywhere meaningful with anything fun around you


  • Erismi14toGreentext@sh.itjust.worksAnon likes bikes
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    11 months ago

    As a disabled person, I am lucky to ride my bike. I know other disabled people who can’t. But I know plenty of disabled people who can’t drive too. When people advocate for human centric cities instead of car centric cities, disabled people benefit the human centricity. Less cars on the road makes it convenient for other disabled people to get around in their cars. Also bike lanes are wheelchair accessible.



  • Erismi14toGreentext@sh.itjust.worksAnon likes bikes
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    11 months ago

    What about the people who can’t even afford a car they are even worse off? Society should not waver on its social services, or sociietal norms to only meet the needs of unhoused people with cars. Many managers won’t hire housed people who don’t have a car, or even share a car with a spouse. Societally mandated car ownership just makes everyone more poor and hurts those who cannot afford a car.


  • Erismi14toGreentext@sh.itjust.worksAnon likes bikes
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    11 months ago

    So let’s build more urban heat islands and parking lots. Exactly what a +40 C environment needs. Biking might be unpleasant in 40 C weather, and the cyclist might get a bit sweaty, but all of the positives are true. And cars are just going to make the planet hotter.



  • Erismi14toGreentext@sh.itjust.worksAnon likes bikes
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    11 months ago

    You may live in a place that is the result of building car dependent infrastructure. To achieve a “bike city” op is describing, it would take decades, if not a century in your area for it to make sense to just bike everywhere. It takes time.



  • Erismi14toFuck Cars@lemmy.mlinsane infrastructure needed
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    1 year ago

    Unfortunately for most Americans, this is the situation. All of those places have a mediocre chicken sandwich because all of the restaurants are chains. Small businesses struggle with how new commercial areas are built, and chains run on such thin margins it is hard to compete.

    I live in a Chicago neighborhood and have access to many delicious, reasonably priced chicken sandwiches. I have not had the need or the craving to go back to chic fila a since









  • Erismi14toFuck Cars@lemmy.mlHyperloop is the future
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    1 year ago

    Hi, aerospace engineer here. As far as benefits go it depends.

    If we assume the tube is constant volume and constant temperature. The ideal gas law says that in this case, the pressure would change proportionally with density. So if you lower the pressure by 50% the density should lower by about 50%.

    Drag force is also proportional to density. So a 50% decrease in density will result in a 50% decrease in drag. This is true for subsonic speeds. The speed of sound is 343 m/s or 770 mph.

    Drag also has a square relationship with velocity. So drag gets extremely high when there is an increase in velocity.

    If we take the speed of the shinkansen(90 m/s or 200mph) as a baseline and lower the pressure by half. The new speed the Hyperloop would be able to travel with the new speed is 127m/s or 284 mph. That is faster 40% for the same amount the trains will have to work, but to build all of that infrastructure, spend all the money creating a lower pressure environment and maintain that pressure for thousands of miles is just not worth it. The vacuum tube is just not practical to make.

    Edit: If you maintain a reduced pressure and increase speeds about 30% of the speed of sound, the subsonic equations I used start to be less accurate. But in that case drag increases dramatically in transonic and supersonic regimes.