Fuses

SLOW BURNING FUSE

(approx. 2 inches per minute)

Materials needed:

- Cotton string or 3 shoelaces,
- Potassium Nitrate or Potassium Chlorate,
- Granulated sugar,

Procedure:

- Wash the cotton string or showlaces in HOT soapy water, then rinse with fresh water,

- Mix the following together in a glass bowl:

1 part potassium nitrate or potassium chlorate

1 part granulated sugar

2 parts hot water

- Soak strings or shoelaces in this solution,

- Twist/braid 3 strands together and allow them to dry,

- Check the burn rate to see how long it actually takes!!

FAST BURNING FUSE

(40 inches per minute)

Materials needed:

-Soft cotton string,
-fine black powder (empty a few shotgun shells!),
-shallow dish or pan,

Procedure:

- moisten powder to form a paste
- twist/braid 3 strands of cotton together
- rub paste into string and allow to dry

- Check the burn rate!!! Have Fun!