![Construction ,[object Object],[object Object],[object Object],Drill *Made from the same wood as the hearth board. *Approximately as long as the distance between your thumb and pinky when doing the “Hang Ten” hand sign. *Approximately as thick as your thumb. *The drill should be designed to maximize friction at the notch and minimize it at the socket. *The drill does not need to be perfectly rounded. Slight ridges will help grasp the cordage and prevent slipping up and down. *The drill can be indexed and cut down to at the notch end. *The drill should be roughed up if it becomes smoothed from use. Socket *Made From hardwood, bone, stone, etc. *Should be comfortable in the palm of your hand. *Should not be too small to grasp and not too large to be cumbersome. *The depression in the socket should not be too deep to prevent free movement of the drill. *The socket can be lubricated or wet to prevent over heating. *The socket can be created by splitting a small diameter branch and creating a depression in the center. Bow *Finger tips to elbow length or greater. *The bow does not need to be curved as the cord can be wrapped around the drill to the outside of the bow. *The longer the bow, the longer your drill will spin. The trade off is it becomes more difficult to use due to extra length.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Bow Drill Tutorial
- 1. Bow Drill Tutorial Kevin Estela Survival Instructor Wilderness Learning Center www.weteachu.com
- 3. Sample Bow Drill Set Ash Bow with 550 cord, White Cedar Spindle and Hearth Board, Ironwood Socket and Birch “Coal Catcher”
- 5. Bow Drill Reference Part I The author demonstrating proper technique. Note the position of the body over the bow drill. The foot is placed on the hearth board and the spindle remains upright. The cord is wrapped low on the spindle and it is wrapped to the outside of the bow. A bandana is used to keep the components from contacting the wet ground.
- 7. Bow Drill Picture Reference Part II A burning coal inside a notch. Note the shape of the notch, the use of the coal catcher and the location of amount of powder created. When in doubt, run the drill as long as you can. A burning coal. Note the size and shape of the coal and the distinct orange color.
- 9. Bow Drill Picture Reference Part III The all important notch as seen from the top of the hearth board. The notch is “1/8 th the pie.” Also, the placement of the spindle is approximately 1.5 times the width of the spindle from the edge of the hearth board. The author holding the tinder bundle higher than his face and blowing up into it while adding pressure to the outside.