Headed to a medieval fair? Don't forget to bring a crossbow, which can be made at home with a mere five dollars' worth of scrap material. For the bow, collect a light auto spring from your local junkyard and hack-saw it accordingly. Use an ivory release nut and a stock cut from 2" by 8" by 27" inch walnut. You'll also need hinged wooden jack to draw the bowstring and bolts made of birth or fir dowels. And what's a crossbow without feathers? Gather a bunch of stiff turkey or goose feathers and glue them onto wooden shafts. Use high-grade linen for the bowstring. Cutting and sawing all of the individuals pieces could be a little complicated, so we provided several diagrams to guide our readers through the process.
Read the full story in "Ye Atom Smasher...a Modern Crossbow"