07-12-2010, 04:54 AM | #1 |
Join Date: Oct 2005
Location: The Fine Line Between Black and White
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Extended Speed/Range Table
Does anyone have an extended speed/range table for use in space settings? I need the extension out to 100,000 miles.
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07-12-2010, 05:59 AM | #2 |
Join Date: Sep 2006
Location: SF Bay Area, CA
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Re: Extended Speed/Range Table
I don't, but it's not too difficult to come up with. From the little blurb under the table in Campaigns, it's a -6 for each factor of 10 increase. And the progressions repeat (1, 1.5, 3, 5, 7). So, 100000 miles would is 3 factors of 10 above 100 miles, so it's -6*3 = -18 worse than 100 miles (which is on the chart), making it a -48. HTH!
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07-12-2010, 09:28 AM | #3 | |
Doctor of GURPS Ballistics
Join Date: Sep 2004
Location: Lakeville, MN
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Re: Extended Speed/Range Table
Quote:
Size formula: 6*log(length in yards) - 2 Round to nearest integer.
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My blog:Gaming Ballistic, LLC My Store: Gaming Ballistic on Shopify My Patreon: Gaming Ballistic on Patreon Last edited by DouglasCole; 09-01-2011 at 07:02 PM. Reason: Flipped a minus sign |
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07-12-2010, 09:40 AM | #4 |
Join Date: Feb 2006
Location: Not in your time zone:D
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Re: Extended Speed/Range Table
Gotta love the simplicity of a formula.
Battery about to die: did this for Spaceships - I'll see if I can tidy it up when I get back to base. Range Mods chart S/R: Speed/Range in miles per second and miles. Tgt: Targeting modifier. Det: Detection; modifiers for detection at tgt ranges are @ tgt -30. S/R Tgt S/R Tgt S/R Det S/R Det 70 +1 7,000 -11 3.5ls -53 150ls -63 100 0 10,000 -12 5ls -54 250ls -64 150 -1 15,000 -13 7.5ls -55 350ls -65 200 -2 20,000 -14 10ls -56 500ls -66 300 -3 30,000 -15 15ls -57 750ls -67 500 -4 50,000 -16 25ls -58 1,000 -68 700 -5 70,000 -17 35ls -59 1,500ls -69 1,000 -6 100,000 -18 50ls -60 2,500ls -70 1,500 -7 150,000 -19 75ls -61 1lh -71 2,000 -8 200,000 -20 100ls -62 3,000 -9 300,000 -21 5,000 -10 500,000 -22
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07-12-2010, 10:41 AM | #5 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Extended Speed/Range Table
Take the existing range/speed modifiers, and add an adjustment for the units you're using (rather than hexes):
Kilometers: -18 Miles: -19 Megameters (1,000 km): -36 Light-seconds (300,000 km): -51 Light-minutes (18,000,000 km): -61 AU (150,000,000 km): -67 Light-hours (1.1e+12 m): -72 Light-days (2.6e+13m): -81 Light-years(9.5e+15m): -96 Parsecs (3.1e+16m): -99 |
07-12-2010, 02:50 PM | #6 |
Join Date: Nov 2009
Location: GMT-5
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Re: Extended Speed/Range Table
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09-01-2011, 06:44 PM | #7 |
Dog of Lysdexics
Join Date: Oct 2004
Location: Melbourne FL, Formerly Wellington NZ
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Re: Extended Speed/Range Table
You sure about that about, I get a value of 6 for 5 yards and 8 for 10 yards with that formula ( well with 2 + 6*logE(Distance in Yards)/logE(10) as as the forumla on has the natural log function)
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09-01-2011, 06:59 PM | #8 | |
Doctor of GURPS Ballistics
Join Date: Sep 2004
Location: Lakeville, MN
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Re: Extended Speed/Range Table
Quote:
Log10(10) = 1 Log10(100) = 2 2 - 6 * log (10) = -4 2 - 6 * log (100) = -10 Looks like I transposed a negative sign.
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09-24-2014, 06:01 AM | #9 |
Join Date: Nov 2008
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Re: Extended Speed/Range Table
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Tags |
range, range table, speed, speed table, speed/range |
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