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Understanding Zinc-Sulfur Propellants

This book, written by Antoon (Tony) Vyverman, describes in 8 chapters and 84 pages the different aspects of the propellant.
It provides information to most of the questions rocket amateurs are confronted with when using this propellant.

  • for Zn-S powder motors:
    • what happens in Zn-S powder motors?
  • predicting the thrust curve based on the nozzle area and the total propellant mass:
    • The pressures that can be expected?
    • the best nozzle shapes for highest impulse?
    • how to ignite and the influence of the type of ignition on the thrust curve?
    • how to prepare Zn-S propellants for hot cast propellants?
  • what temperatures are needed for proper liquefaction?
  • what happens with the grain during solidification?
  • the problem of several cigarette grains?
  • the burning rate mechanism?
  • how to control burning rate with sulfur content?
  • how to get an Isp of 60s and more?


part 1

  • introduction
  • chapter 1: a brief history of zinc-sulfur propellants

part 2: a general description of zinc-sulfur rocket motors

  • chapter 2: introduction
  • chapter 3: powdered zinc-sulfur propellants
  • chapter 4: hot cast zinc and sulfur propellants
  • chapter 5: other modifications

part 3: calculating zinc-sulfur rocket motors

  • chapter 6: nozzle calculations
  • chapter 7: thermodynamical calculations
  • chapter 8: modeling and experimental verification
  • thermodynamical data



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