Brief description

The fire plow is a friction method where a stick is rubbed along a groove in a board to generate heat and create an ember.

Use / Function

• Primary use: Produce an ember for fire starting.
• Secondary uses: Demonstrates efficient friction techniques with minimal tools.
• Scale: Individual.

Operating principle

Repeated rubbing concentrates friction heat in a wooden groove. The resulting fine dust accumulates at the end of the groove and ignites into a glowing ember.

How to create it

1. Prepare the board: Use a soft, dry board and cut a straight groove.
2. Prepare the plow stick: Harder wood with a blunt, rounded tip.
3. Plow: Push the stick rapidly along the groove to build heat.
4. Ember: Continue until the dust pile glows. Transfer to tinder.
5. Technical level: Basic.

Materials needed

• Essential: Softwood board, harder plow stick, tinder bundle.
• Tools: Knife or sharp stone to cut the groove.
• Substitutes: Bow drill if available for faster ignition.

Variants and improvements

• Double groove: Allows two users alternating to reduce fatigue.
• Preheated board: Warming the board improves ignition speed.
• Longer groove: Provides more dust and heat buildup.

Limits and risks

• High effort: Requires sustained speed and pressure.
• Humidity: Fails in damp conditions.
• Slipping: Poor grip can reduce heat generation.