Primitive Fire

4B60.50 | Be1
Catalog: 
4B60.50
Location: 
Be1
Room: 
PS F175
Condition: 
Poor
Quantity: 
1
Instructors: 
Adams
  • After a coal is smoldering fold the lint over and blow gently. Make sure the smo
    After a coal is smoldering fold the lint over and blow gently. Make sure the smoke goes into the fume hose.
Safety: 
There is always the chance of starting a fire or tripping the fire alarm. Use the fume hose to remove smoke. Place fire in sink and turn on faucet. Disclaimer (Warning - work in progress - may be incomplete)
Date Added: 
Thursday, October 25, 2007 - 12:00am
Description: 

A fire is started with a bow drill.

Instructions: 

A notch is cut in a 5/8 to 3/4 inch board. A small hole is cut next to the "V" notch. Wrap the bow drill tightly in the bow. Hold the cedar drill down with a stone that fits in the palm of the hand and has a "dimple" to hold the drill steady. Push down firmly and move the bow back and forth. After about 30 seconds of smoke carefully pull the coal and punk away from the board. Fold over the lint onto the coal and blow gently. Keep smoke near the fume hose. When fire starts drop into a large beaker. After the students have had a good look drom the hurning lint into the sink and spray with water.

Purpose: 
To show mechanical work is converted into thermal energy.
Parts: 

bow
cedar drill
stone
lint
cedar board
beaker
fume hose.

Movie Caption: 
Professor Gary Adams making fire with a bow drill. Movie taken on a students laptop webcam by Drew Nichols.
Complete: 
No