Archive for the ‘motor’ Category:

2024-05-13 Autonomous Solar Tracking System

For each direction of travel, it consists of two solar cells connected in parallel opposing to a motor that’s geared down to turn the tracking so both solar cells are in the shade.  https://www.facebook.com/reel/7341922389263306?mibextid=9drbnH&s=yWDuG2&fs=e

2024-04-07 Esbjerg Changes To Heat Pump City Heating System

The city of Esbjerg, Denmark is replacing its coal fired city heating system with an amazing giant heat pump, biomass boilers and waste burning boilers.  The refrigerant is CO2.  Read the description. This is a long 43 minutes but is very comprehensive and interesting.  The cost is about 40 million Euros. 

2023-11-24 Tesla Will Stop Using Rare Earth Metals In Motors

According to the article the Model 3 uses 520 grams of neodymium. https://www.popularmechanics.com/cars/hybrid-electric/a43773686/rare-earth-metal-motor-tesla/

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