This differential thermostat is easy to install and versatile. A sensor measures the temperature of the solar panel, the second …
Read moreAuthor: giodem
Vertical extrapolation of wind speed
Vertical extrapolation is used to calculate the wind speed at a height different (normally higher) than the anemometer. It is …
Read moreCalculation of Weibull coefficients
The wind speed distribution is significant for wind turbine design because it determines the frequency of occurrence of individual load …
Read moreWashing PV panels: is it worth?
How much power is lost due to dirt on photovoltaic panels? In this experiment part of a 20 kW photovoltaic …
Read moreThe nature of wind
How is the wind originated? why are the cyclones rotating counter-clockwise in the northern hemisphere? Why is the weather in …
Read moreProjects from 2018 to 2017
Here is the list of projects I completed from 2008 to now. If you find some item interesting and you …
Read moreHow to connect a washing-machine asynchronous motor
First of all, these motors have two speeds and the various connections serve to select the speed and reverse the …
Read moreElectromagnetic gun
This is a nice experiment to throw an aluminum “bullet” up in the air at high velocity, and demonstrate the …
Read moreFlashing lamp circuit
When the circuit is powered up a certain current flow from the base of transistor BC558 into the 560 k? …
Read moreIntroducing free bike access on trains led to 20% more commuters
Bikes taking up space for customers of the public transport is a false myth. The reality is that public transport …
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