
SLOW BURNING FUSE - 2 inches per minute
Materials needed:
· Cotton string or 3 shoelaces
· Potassium Nitrate or Potassium Chlorate
· Granulated sugar
Procedure:
1.Wash the cotton string or shoelaces in HOT soapy water, then rinse with fresh water
2.Mix the following together in a glass bowl:
· 1 part potassium nitrate or potassium chlorate
· 1 part granulated sugar
· 2 parts hot water
3.Soak strings or shoelaces in this solution
4.Twist/braid 3 strands together and allow them to dry
5.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:
1.Moisten powder to form a paste.
2.Twist/braid 3 strands of cotton together.
3.Rub paste into string and allow to dry.
4.Check the burn rate!!!
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