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Water in Zero Gravity…

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#1 Adeptus-B


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Posted 18 December 2012 - 11:03 AM

So, the Deathwatch Rulebook has basic rules for swimming- the most important part is that there is a -30 penalty to swim in armour- and the middle adventure in The Emperor Protects had some exta rules for aquatic combat (all attack rolls have a -20 penalty, reduced to -10 if the attacker passes the Swim test).

That's all well and good for normal water, but my players are going to encounter a big, undulating ball of water (the size of a good-sized lake) held togeather only by surface tension, while hunting xenos inside a (mostly zero-gravity) space hulk. My question is: do you think the Swimming/ Aquatic Combat rules should apply here, or should I just stick with the normal Zero Gravity rules (maybe combined with a range penalty to missle weapons to represent the resistance caused by water)? I mean, it's not like they are going to be 'dragged down into the depths' by the weight of their armour…

I dunno, what do you think?

#2 myrm



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Posted 18 December 2012 - 11:51 AM

Both effects are going to be relevant - Zero-G will affect motion and balance. However while you are no longer trying to swim to support yourself in the water while its balled in zero-G the resistance to movement from the fluid IS going to have an effect on the characters.

#3 SolP



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Posted 18 December 2012 - 10:38 PM

Although you are not going to be dragged down, the way you move and the way you propel your self around in water,  I would think, would be pretty much the same as in normal gravity, so a svim-test should lessen the penelty for moving and doing stuff.

Here is a pretty cool video of waves in water in no gravity:

#4 Kasatka



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Posted 18 December 2012 - 11:49 PM

Simple - use the Swimming skill for movement within the water, but apply any and all modifiers for moving in zero gravity. Problem solved!

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#5 SolP



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Posted 19 December 2012 - 09:25 PM

I would say that it should be easier to move around, but more difficult to make actions, since the water-resistance will aid you in proppelling your self forward, but hinder, for example, swinging a sword.
For example you would make a swim-test to move around (maybe even with bonus' for the number of succes'), and a strength-test (or another appropriate test) to reduce penaltys on skill-test and other actions, such as attacking, throwing etc.

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