Spaceship based telescopes

jeudi 21 mai 2015

The standard(and enchanted) sensor suites in GURPS spaceships have really low telescopic vision levels.

I would think that there would definitely be situations where having high magnification would be helpful.

Any suggestions on "telescope modules" for space ships?

As in how much a module of what size would do mostly?

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Below is my long explanation/idea for what could be

As example the TL 8 asat interceptor from spaceships 4 has the equivalent of 3lb thermal imaging binoculars from High tech.

High Tech says that spy satellites have telescopic vision 10-15. (As note the corresponding Enhanced sensor array would need SM +7 to SM +12 hull.) Of course the spy satellite has a definitely oversize telescope and the Enhanced sensor has many other things in it too like the active sensors and communicators..

Looking at what wikipedia says about KH-11 Kennan spy satellite that the earlier ones had about the same size mirror as hubble(2.4m) and that that would translate to theoretical resolution of 15cm(higher actual due to atmospheric effects) and that those earlier satellites had a total mass of 13000-13500kg. (The later are listed as being maybe 3m mirror and total mass of 19600kg). They are listed as being on orbits for 250km+ at lowest.

Hubble is 11000kg.

So looking at speed/range table that range is then about -31 to -33. So if using the "look for details" rule and doubling the high tech high telescopic vision 15 to effective 30 for seeing detail the seeing that 6 inch thing would be at -8 to -10 total and the picture of an about sm +8 bomber is so clear that you can see details like the cockpit(that is maybe sm +1) and it seems that that telescopic vision +15(+/- few) is indeed close enough for gaming purposes.

As the satellites have also other systems like their communication hardware, station keeping drives and whatnot then the actual telescope for the early type is likely 5-10 tons. Assuming slightly better material tech and whatever a 1 module thing(5 tons) for SM +6 would thus not be out of range for the +15 telescopic vision thing at maybe TL 9?
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So any obvious flaws in above? Ideas for scaling for higher mass? TL increases in materials so higher effect at same mass for higher TLs? Other comments?
Spaceship based telescopes

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