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Old 12-14-2023, 09:59 PM   #1
GURPS Fox
 
Join Date: Jun 2020
Default Cold War/Modern Missiles and Bombs Stats

I've been trying to find the stats for Cold War and modern missiles, rockets, and bombs for a few settings I've been working on (including a Xenonauts/XCOM-inspired setting and a CnC Tiberium/Generals fusion). I've been trying to stat them with the V2e rules with stated diameters, but it keeps getting vastly lighter bombs than their RL counterparts.

I've heard about a PDF named GURPS Common Air Ordnance, but the link is dead.

Is there any assistance in this matter?
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Old 12-15-2023, 02:35 AM   #2
sir_pudding
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Default Re: Cold War/Modern Missiles and Bombs Stats

For 3rd edition specifically?
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Old 12-15-2023, 10:58 AM   #3
GURPS Fox
 
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Default Re: Cold War/Modern Missiles and Bombs Stats

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Originally Posted by sir_pudding View Post
For 3rd edition specifically?
That would be preferred due to most of my tools being in that edition.
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Old 12-15-2023, 11:20 AM   #4
Varyon
 
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Default Re: Cold War/Modern Missiles and Bombs Stats

If you already have the relevant information for the missiles and bombs in question - weight, explosive payload, range (for missiles), etc - it should be possible to get the GURPS stats from that. I don't know what the equation is in 3e, but in 4e you can go from the amount of explosive to damage with the equation on B415 - 6d x square root of (W x REF x 4), where W is the weight of the explosive in pounds and REF is how powerful it is relative to TNT (TNT is 1, nitroglycerine is 1.5, C4 is 1.8, etc).
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Old 12-15-2023, 08:34 PM   #5
Fred Brackin
 
Join Date: Aug 2007
Default Re: Cold War/Modern Missiles and Bombs Stats

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Originally Posted by Varyon View Post
I don't know what the equation is in 3e, but in 4e you can go from the amount of explosive to damage with the equation on B415 - 6d x square root of (W x REF x 4), where W is the weight of the explosive in pounds and REF is how powerful it is relative to TNT (TNT is 1, nitroglycerine is 1.5, C4 is 1.8, etc).
It was simpler in 3e because explosive damage was linear with effective weight of TNT.
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Old 12-16-2023, 06:30 PM   #6
Pursuivant
 
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Default Re: Cold War/Modern Missiles and Bombs Stats

Take a look at the GURPS 3E World War II line. Many aerial bombs and missiles from WW2 continued in use in the post-WW2 era. Explosives used didn't change that much. It's a potential starting point for late 20th c./early 21st c. weapons.

As for GURPS 3E Vehicles, remember that the weapon design rules are guidelines. If you've got real world weights, just plug those in rather than using the calculated weights. If RL weight is likely to have an effect on weapon performance, reduce Endurance, acceleration, top speed, etc. for missiles and/or explosive force for bombs.

You might also get more realistic weights if you assume an effective TL one step lower than the weapon's actual TL.
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Old 01-12-2024, 02:52 PM   #7
GURPS Fox
 
Join Date: Jun 2020
Default Re: Cold War/Modern Missiles and Bombs Stats

Quote:
Originally Posted by Fred Brackin View Post
It was simpler in 3e because explosive damage was linear with effective weight of TNT.
Where can I find the 3e explosive equation?
Quote:
Originally Posted by Pursuivant View Post
Take a look at the GURPS 3E World War II line. Many aerial bombs and missiles from WW2 continued in use in the post-WW2 era. Explosives used didn't change that much. It's a potential starting point for late 20th c./early 21st c. weapons.

As for GURPS 3E Vehicles, remember that the weapon design rules are guidelines. If you've got real world weights, just plug those in rather than using the calculated weights. If RL weight is likely to have an effect on weapon performance, reduce Endurance, acceleration, top speed, etc. for missiles and/or explosive force for bombs.

You might also get more realistic weights if you assume an effective TL one step lower than the weapon's actual TL.
Thanks.
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