Vehicle House Rules

I mostly use the Spaceship system for vehicles in general and not just spaceships, these house rules when used together give a more cinematic and simplified result than just using the system as is.

Spaceship Houserules

Survivable Space Combat:

dHP of all vehicles is doubled.

 

Scaling Gun/Missile Damage:

Thanks to this guy for a much more reasonable table of gun/missile damage. Just use this and ignore the books.

https://worldsbeyondearth.blogspot.com/2019/02/spaceships-how-much-damage-should-guns.html

 

Extreme Damage Variation:

Vehicles ST damage calculations are changed: Past ST 20, their Thrust and Swing is simply a number of dice equal to (ST/20) in Decade damage. Swing gets to add a +1 over thrust.

 

Keeping Large Vehicles Alive simple:

Piercing damage is halved after other modifiers against SM +5 or bigger.

 

Jump Boosts Simplified

Mecha  vehicles who have thrusters may use their thrusters in brief spurts to clear obstacles, and to increase their maneuverability. Instead of tracking delta-V and the number of G-seconds of thrust available, each mecha is given a number of Jump Points equal to their delta-V reserves *60 in Earth-normal gravity. By spending one jump point, the mecha gains Super Jump 1 for the turn, two points gives Super Jump 2, four points gives Super Jump 3, and so on. Super Jump is capped to the G-acceleration of the engines being used. For reference, a smaller system composed of a chemical rocket and two fuel tanks provides 1G of acceleration and 0.1 mps of delta-V, or up to 6 uses of Super Jump 1.

Each level of Super Jump achieved increases your Thrust Rating by 1 and allows you to ignore terrain for the turn.

 

Equipment Packs Simplified:

Mechas can carry extra systems as external packs; one for each Hull section.

 

Handheld Weapons Simplified:

Mechas can wield one weapon per arm, and may carry up to 1 extra weapon attached to each Hull section.


New System Options

Muscle Servomotors

This system enhances the Lifting dST and Striking dST of a vessel by a third of the difference between the dST of a Vessel of the SM 1 higher. Example: For an SM +5 mech, each Muscle Servomotor gives a bonus of +10. Max number of Muscle Servomotor system is 1. Beyond that just use Larger Systems to get bigger arms.

The price for this system is a third of the price of Robot Arms of the next Size Modifier. For example, for an SM+4 mecha, Muscle Servomotors cost 100k$


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