Η Οικολογική Οδήγηση.
Η οικολογική οδήγηση βασίζεται στη ασφαλή & οικονομική χρήση ενός οχήματος. Η πρώτη μας μέριμνα είναι να λειτουργούμε την μηχανή μας με τρόπο τέτοιο, ώστε η απόδοση της να είναι η μέγιστη, που για...
Author: capjoe
Γιατί οι συστοιχίες των μπαταριών πρέπει να είναι μικρές σε αριθμό?
Η μεγάλη κατάρα των μη διασυνδεδεμμένων φωτοβολταϊκών συστημάτων είναι οι μπαταρίες. Αν και οι μπαταρίες θειικού οξέος-μολύβδου είναι οι οικονομικότερες, μία συστοιχία υψηλής χωρητικότητας μπορεί να κοστίζει μερικές χιλιάδες Ευρώ! Η γήρανση των στοιχείων, μετά...
The indistructible 15 kW inverter that Mike made for the museum and specifications.
It is hard to estimate the weight of this inverter. It’s probably, around 300 kgr ! Apart from all those thick wires that you see, it contains some really heavy duty and expensive power...
The power generating plant of the museum.
250 photovoltaic panels of 80 Watts rating, on the south roof of the museum. Total maximum output is 20 kW. It supplies with power the Museum, Radio Caroline 2, and two houses. 120 kWh...
Radiolab All Purpose Tester (Multimeter) 412042.A
This ancient multimeter still works as new! It is made by Everett Edgcumbe and its weight is 6.7 kgr! Does anybody know when it was made? Αυτό το πολύμετρο δουλεύει όπως όταν ήταν καινούργιο!...
30 A. Hot Wire Ammeter by Johnson & Phillips Ltd.
An Ammeter built by Johnson & Phillips Ltd in 1903. It is not an electromagnetic instrument (with a moving coil or magnet), but a thermal type! It is based on the expansion of a...
Commodore Amiga 500 Plus
Commodore Amiga 500 Plus Commodore Amiga 500 The Commodore Amiga 500 Plus (often A500 Plus or simply A500+) is an enhanced version of the original Amiga 500 computer. It was notable for introducing new...
Commodore 64
Commodore 64, the most popular computer, ever! It is an 8-bit home computer introduced by Commodore International in January 1982. Volume production started in the spring of 1982, with machines being released...
807/ATS25
807/ATS25 807/ATS25 Classification: Beam-Power Tetrode Service: Class A amplifier, (Single-Ended) Class AB1 amplifier, (Push-Pull) Class AB2 amplifier, (Push-Pull) Class C amplifier, (Radio Frequency) Cathode Cathode type: Indirectly heated Heater voltage: 6.3 Heater current: 900mA...
6L6. Eighty three years old, and still produced!
Quiz: What is still manufactured after 83 years? This is the only valve in my collection that comes in so many different sizes. Usually, valves of a certain type, look always the same and they...