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scifi:spacecraft [2020/04/25 08:11] samscifi:spacecraft [2020/04/26 10:27] sam
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 The statistics used are simplified from real world values to make the maths of designing craft easier. Mostly, this involves including all the constants in the basic statistics. The statistics used are simplified from real world values to make the maths of designing craft easier. Mostly, this involves including all the constants in the basic statistics.
 +
 +Full statistics for some component designs are available here:
 +  * [[./spacecraft/drives/chemical]]
  
 ===== Definitions ===== ===== Definitions =====
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 Each //displacement tonne// is considered to be about 1,000kg in mass. A ship is mostly space, being a mix of pipes, electronics, living space, hull and structural support. There are two parts of the ship though which have much higher mass. Each //displacement tonne// is considered to be about 1,000kg in mass. A ship is mostly space, being a mix of pipes, electronics, living space, hull and structural support. There are two parts of the ship though which have much higher mass.
  
-Some craft are //Weak//, in which case total dry mass (including engines, living quarters, cargo hold etc) is multiplied by 0.75. This also has a negative impact on the hull strength of the ship (Hull Soak x0.75).+Some craft are //Weak//, in which case total dry mass (including engines, living quarters, cargo hold etc) is multiplied by 0.75. This also has a negative impact on the hull strength of the ship (base soak x0.50).
  
-Some are //Fragile//, in which case their total dry mass is multiplied by 0.65. It improves performance, but they really suffer on punishment (Hull Soak x0.5).+Some are //Fragile//, in which case their total dry mass is multiplied by 0.65. It improves performance, but they really suffer on punishment (base soak x0.25).
  
 === Cargo === === Cargo ===
  
-The first is cargo space, which when full will count as 10,000kg per //displacement tonne//. It is assumed that most cargo is efficiently packed and sealed in individual containers. Some types of cargo may have different mass ratings (such as metal ores, which could be 5 - 20 times this).+The first is cargo space, which when full can contain 10,000kg per //displacement tonne//. It is assumed that most cargo is efficiently packed and sealed in individual containers. Some types of cargo may have different mass ratings (such as metal ores, which could be 5 - 20 times this).
  
 An empty cargo hold has a mass of 100kg per dT, since it is mostly empty space. When loaded with cargo, the mass of the cargo is in addition to this. An empty cargo hold has a mass of 100kg per dT, since it is mostly empty space. When loaded with cargo, the mass of the cargo is in addition to this.
scifi/spacecraft.txt · Last modified: 2020/04/26 10:27 by sam

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