---

Clothespin Switch by the Jolly Roger A spring type clothespin is used to make a circuit closing switch to actuate explosive charges, mines, booby traps, and alarm systems. Material Required: ----------------- Spring type clothespin Sold copper wire -- 1/16 in. (2 mm) in diameter Strong string on wire Flat piece of wood (roughly 1/8 x 1" x 2") Knife Procedure: --------- 1) Strip four in. (10 cm) of insulation from the ends of 2 solid copper wires. Scrape the copper wires with pocket knife until the metal is shiny. 2) Wind one scraped wire tightly on jaw of the clothespin, and the other wire on the other jaw. 3) Make a hole in one end of the flat piece of wood using a knife, heated nail or drill. 4) Tie strong string or wire through the hole. 5) Place flat piece of wood between the jaws of the clothespin switch. Basic Firing Circuit: -------------------- ______________ | |---------------------------\ | initiator |----------\ | strong -------------- | | twine | | \ | _---------_________ | --------- | | \clothespin \ / \ / switch \ / \ / \ / + - ---------- | | | battery| ---------- When the flat piece of wood is removed by pulling the string, the jaws of the clothespin will close, completing the circuit. CAUTION: Do not attach the battery until the switch and trip wire have been emplaced and examined. Be sure that the flat piece of wood is seperating the jaws of the switch.

---

The views and opinions stated within this web page are those of the author or authors which wrote them and may not reflect the views and opinions of the ISP or account user which hosts the web page. The opinions may or may not be those of the Chairman of The Skeptic Tank.

Return to The Skeptic Tank's main Index page.

E-Mail Fredric L. Rice / The Skeptic Tank