Differences

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--- scifi:spacecraft [2020/04/12 09:18] – sam
+++ scifi:spacecraft [2020/04/26 10:27] (current) – sam
@@ Line 31: / Line 31: @@
 **Total Wet Mass** is equal to the ship **Mass**, plus the mass of fuel times its density.
+Full statistics for some future designs are available here:
+  * [[./spacecraft/drives/chemical]]
 ==== Mass ====
@@ Line 37: / Line 40: @@
 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 (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 (base soak x0.25).
 === 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.