Differences

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--- traveller:spacecraft:tl9:swallow [2019/12/18 17:49] – sam
+++ traveller:spacecraft:tl9:swallow [2019/12/18 18:06] (current) – sam
@@ Line 11: / Line 11: @@
   * Nuclear Drive: 3dt
   * Shield: 4dt
-  * Hydrogen Fuel: 195dt (20dt)
+  * Hydrogen Fuel: 400dt (40t/440t)
   * Crew: 16dt
   * Cargo: 37dt
-  * Methane Fuel: 10dt (1dt)
+  * Methane Fuel: 10dt (1t/101t)
   * Thrusters: 1dt
-Total: 266dt
+Total Tonnage: 471dt
-  * Dry Mass: 82t
+=== Shuttle ===
-  * +Methane fuel: 182t
-  * +Hydrogen propellant: 377t
-Wet Mass: 266 + 195 + 100 = 561
+Total Tonnage: 64dt
+Wet Mass: 164t
+==== System Drive (Nuclear) ====
+This assumes a full tank of Liquid Oxygen/Methane.
+  * Dry Mass: 202t
+  * Wet Mass (Hydrogen propellant): 602t
 Nuclear Impulse: 12.0
+Nuclear Deltavee: 13km/s
+Nuclear Deltavee (without Methane): 21km/s
+==== Orbital Drive (Chemical) ====
+Performance of just the orbital shuttle (detached from nuclear drive):
 Chemical Impulse: 3.2
-Nuclear: 8.7km/s (14.6km/s)
+Chemical Deltavee: 3km/s
-Chemical: 1km/s