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Dowel Snap (Stick on Wine Glasses)

Wine Glasses on coffee cans with with a dowel snapped in half between them.

PIRA: 1F20.40

 

Overview:

When the dowel rod is hit with the object, the inertia of the rod keeps it from exerting force onto the wine glasses. Once the dowel is broken, there is no more force to be transferred to the wine glasses and they are kept from shattering

 

Materials:

4’ x ¼” dowel

2x small nails

2x coffee cans

2x wine glasses

Something to break dowel

 

Setup:

Drive a nail into each end of the dowel, then cut off the head of the nail. Place the coffee cans onto two separate tables with a space in between them. Place a wine glass on each of the coffee cans. Place the dowel off to the side.

Small nail in the end of a dowel  Dowel placed between two wine glasses. The wine glasses are each placed on a coffee can.

 

How to:

Place the dowel onto the glasses. Make sure that the nails are the part resting on the wine glasses. Take the object meant to break the dowel and quickly hit the middle of the dowel with it.

 

Safety:

Do not swing at other people.