Archive for the ‘Mechanical devices’ Category:

2022-04-02 Climate Deniers Use Scare Tactics, Lies On Social Media

This article is about the copy and paste of climate change deniers’ boilerplate lies and scare tactics, mostly from Big Oil and fossil fuel shills. Even use of pseudoscience. https://www.theguardian.com/environment/2022/mar/31/a-cut-and-paste-attack-on-electric-vehicle-batteries-and-renewables-is-spanning-the-globe-but-is-it-right

2022-03-25 Drone Flies Thru Gigafactory Berlin!

Woo-hoo! This 4.4 minute drone video on YouTube flies through seemingly impossible places! Through the stamping presses, through the robotic welders, the paint shop, the assembly lines, everywhere! I had to slow it down to 0.5 speed to see what’s happening! This is what I’ve been waiting for, wanting to see things close up and

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2021-09-18 Land Care Robot Electrifies Tasks

This ad popped up and I had to watch this little workhorse do its jobs. It gave me several thoughts of what it could be used for. It even can work in the dark and in the rain. It said that it’s 64 HP and $14,800.00. When I was a kid, I remember seeing articles

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2021-06-23 Glass Fiber & Concrete Flywheel For Storage

This French company uses glass fiber reinforced flywheels for energy storage instead of steel. Quote: << Gennesseaux went on to say. “We are around 10 grams of CO2 per kWh, while lithium-ion batteries are around 40g CO2/kWh, at the same level as steel flywheels.”>> Initially the flywheel will store 10 kWh. It’s buried underground. Steel

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2021-05-02 Solar Replacing Nuclear, Photo Of Inside GF Texas – Best In Tesla Video

At 14:23 Lars explained that they said in the Tesla quarterly report that the nuclear power plant including the safety zone land around it is big enough to hold a solar plant that will generate the same amount of power. So why not build solar farms instead of nuclear power plants? This brings to mind

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2021-04-04 3D Autonomous Warehouse Robot

When I saw this, I thought that it was pretty cool. But the people working in warehouses might be getting laid off. Short 1 min. video https://youtu.be/PC-9HYJ1nCI

2020-12-12 3D Printing Concrete Houses

Here is a video of houses being built with a giant 3D printer. Building prefab concrete houses was done by Thos. Edison over a hundred years ago. But this is a 3D printer driven by software. https://www.facebook.com/111926455614/posts/10164381464620615/?app=fbl

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2020-01-23 DIY Variable Capacitor 90 to 3400 pF

The beginning isn’t clear about how it looks. First, scroll to end and look at the photo. https://www.randombio.com/capacitor.html

2018-08-03 GE Special Speaker And Iron Particles

From FB group Building Transistor Radios, Aug 6 This also happens with the meter movements of old analog meters. The iron particles get into the magnet assembly and stop the coil from moving. The only way I’ve found that gets rid of the iron particles is to very gently put a thin piece of steel

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2018-08-29 High Temperature And Nylon Screws

From FB group Hobby Electronics, 2018-09-01 I faced this dilemma before. I’ve repaired power supplies where the transistor failed because it was not held tightly to the heat sink because of a nylon screw that got hot. I used a steel screw and a fiber washer, and heat shrink tubing over the threads to insulate.

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