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Originally Posted by Fred Brackin
This is covered on p.80 of Ve2 under "Battlesuit systems".
I don't have Gurps Vehicle Builder installed on this computer but I was one of the betatesters lo those many years ago. If i remember correctly Battlesuit System" was one of the choices from the "Crew and Passengers" folder.
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From my attempts at using Battlesuit systems, it is far more useful for things like higher-end Battletech Battlearmor (i.e. anything a metric ton or more) than smaller units. Believe me, I've tried. Please note that, in addition to that, they're wearing it the entire time they're seated...
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Originally Posted by Varyon
This sounds like you're assuming the powered armor has the same density as the person wearing it. Unless your "powered armor" is a flesh-and-blood (and bone-and-muscle) organism, or is designed to float unaided in water, this is unlikely. So, a person in powered armor may weigh 250kg, but chances are good the armor has markedly higher density than the ~70kg person inside. A person has a density around 1 g/mL (same as water); a block of steel has a density around 8 g/mL. Assume the density of a suit of powered armor works out to roughly 50% that of steel (there's a lot of steel there, but also a lot of empty space, and synthetic muscle is probably less dense than steel, so 50% is probably good-enough for a back-of-the-envelope calculation). With the 70 kg pilot having a density of 1 g/mL, and the 180kg suit having a density of 4 g/mL, you're looking at an average density of 3.16 g/mL, which ultimately works out to your "guy in a suit" taking up about 1.15x as much volume as the guy would without the suit.
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So, I've been doing that wrong then? Because I've trying to figure out how to get this to work:
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Originally Posted by MA Lloyd's GURPS Vehicles Additions, Chapter 6
Statistics for crew stations, passenger seats, mecha cockpits and so on assume the occupant will be a typical human - 1.5 to 2 meters tall, under a meter broad, around 150 pounds, and of course human shaped.
Multiply the volume of seats designed to hold suited humans by suit volume/4 if the suit is larger than 4 cf.
Seats designed for another species multiply all statistics by the average species weight/150.
Races with similar body plans can use stations designed for each other if their sizes are within a factor of 2, though not comfortably. It is often impossible to design a crew station that will work properly for two species with very different sizes or body plans, there really isn't any way to build mechanical controls that will work for both a human and a cidi for example, but if the GM permits it use the statistics for the larger species and multiply by 1.2.
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