If you know what payload you want, it's simpler to design this way.
The "Payload First" design process is just what it says on the tin. Figure out the payload items first -- items with a fixed tonnage -- and then apply the items which scale.
A trivial example would be an Armed Trader.
I want 30 staterooms at 4 tons per stateroom, 30 low berths, 250 tons of cargo, a 50 ton vehicle hangar, and 10 extra tons for incidentals, like the computer, weapons, a vault, whatever.
That's 120 + 15 + 250 + 50 + 10 = 445 tons. That's the payload.
Now for performance, the items which scale.
2% for the bridge.
5% for Jump 4.
2% for Maneuver 1.
2% for Power 1 (is this a TL14 design, then?).
41% for fuel (IIRC).
2% for armor (yeah, let's slap on some armor).
Total performance scale is 2+5+2+2+41 = 54%.
That means the payload takes up (100-52) = 46%.
Total tonnage is therefore 445 / 0.46 = 967 tons. It's batteries bear as a 10,000 ton ship, but it carries (in a tender, or a bay, for examples) at 967 tons.
The "Payload First" design process is just what it says on the tin. Figure out the payload items first -- items with a fixed tonnage -- and then apply the items which scale.
A trivial example would be an Armed Trader.
I want 30 staterooms at 4 tons per stateroom, 30 low berths, 250 tons of cargo, a 50 ton vehicle hangar, and 10 extra tons for incidentals, like the computer, weapons, a vault, whatever.
That's 120 + 15 + 250 + 50 + 10 = 445 tons. That's the payload.
Now for performance, the items which scale.
2% for the bridge.
5% for Jump 4.
2% for Maneuver 1.
2% for Power 1 (is this a TL14 design, then?).
41% for fuel (IIRC).
2% for armor (yeah, let's slap on some armor).
Total performance scale is 2+5+2+2+41 = 54%.
That means the payload takes up (100-52) = 46%.
Total tonnage is therefore 445 / 0.46 = 967 tons. It's batteries bear as a 10,000 ton ship, but it carries (in a tender, or a bay, for examples) at 967 tons.
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