Build Your Own Laser, Phaser, Ion Ray Gun and Other Working by Robert E. Iannini

By Robert E. Iannini

Construct a handheld, battery operated, obvious laser gentle resource able to illuminating low point clouds... use it for lighting tricks, mild exhibits, lengthy diversity sighting, holography, and different interesting house age experiments!

Put jointly your personal magnetic box distortion detector that allows you to hearken to, degree, and list sun task, plane, UFOs and different items through sensing the slightest swap within the Earth's magnetic strength field!

And that's just the start of the original tasks you'll locate during this attention-grabbing new book... genuine area age know-how for you to placed to paintings for sensible and just-for-fun reasons! those are the categories of initiatives you've continually dreamed of placing together... yet may well by no means particularly determine with out a few specialist counsel. And that's what the writer gives... special development directions bolstered through lots of first-class illustrations and elements lists entire to the final element. Plus there are listings of names, addresses, and mobile numbers for providers who've the precise components you want to prepare your personal excessive know-how units!

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Sample text

Connect wires per wiring aid Fig. 4-17 and Fig. 4-15 from inverter and control panel section. Note wire description chart. 11. Connect wires as per wiring aids Fig. 4-18 and Fig. 4-19. Note #14 buss wire jumps between capacitors C2-C9. See Fig. 4-12. Use screws and double loops. Connect the heavy wires of inductor L1. Note junction going to C5 negative Bank A and C9 Negative Bank B. 12. Connect the umbilical wires. These are the interconnecting wires that connect to the laser head. The length should not exceed 6 feet.

400 volts. SCR SWITCH In conventional operation of an SCR, the anode current, initiated by a gate pulse, rises to its maximum value in about 1 microsecond. During this time the anode-to-cathode impedance drops from open circuit to a fraction of an ohm. In injection laser pulsers, however, the duration of the anode­ cathode pulse is much less than the time required for the SCR to tum on completely. Therefore, the anode-to-cathode impedance is at the level of 1 to 10 ohms throughout most of the conduction period.

Do not over tighten re­ taining brackets and straps. Caution: Capacitors should be encased in plastic to prevent acci­ dental contact should case failure occur. Re­ member there is in excess of 1500 volts at unlimited peak current across these ca­ pacitors. 8. Wire in components as shown in Fig. 4-15. Watch polarity of diodes and C1. 9. Connect wires per wiring aid Fig. 4-16 to assembly board Fig. 4-14. 10. Connect wires per wiring aid Fig. 4-17 and Fig. 4-15 from inverter and control panel section.

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