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Traveller 5 Discussion of the Fifth edition of Traveller, released Spring 2013.

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Old June 5th, 2020, 06:13 PM
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agorski agorski is offline
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Default Drives in a 10 ton Fighter

Drives don't scale down for small craft. Here's the note at the bottom of the Starship Drives table 11 in Book 2, page 77, of T5.10.
No drive may be smaller than the Drive-A of the class, even after modifications like Stage Effects.
On page 131, the Power System Rule states:
When installed in a starship, the Drive Potential for an installed Power System must at least equal the greater of the Drive Potential for any of its installed interstellar and interplanetary drives.
So if this does apply to small craft, in a 10 ton design you end up with:

Maneuver 7 Model A TL10 Experimental
EP: 50 Cost: MCr120 Tons: 6

Fusion 7 Model A TL15 Early
EP: 90 Cost: MCr8 Tons: 4

Which is unacceptable. This is the best power plant you can install in a 10 ton hull, and you really have to detune the maneuver drive to get it down to match the power plant potential.

Even if you just need to keep the EP of the maneuver drive less than the power plant, you still end up with a Maneuver 9 Prototype drive, which also sucks.

Things aren't quite so bad for larger small craft, as I've seen in a 30 ton craft design here in one of the threads.

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