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GURPS Fox 12-14-2023 10:59 PM

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?

sir_pudding 12-15-2023 03:35 AM

Re: Cold War/Modern Missiles and Bombs Stats
 
For 3rd edition specifically?

GURPS Fox 12-15-2023 11:58 AM

Re: Cold War/Modern Missiles and Bombs Stats
 
Quote:

Originally Posted by sir_pudding (Post 2510286)
For 3rd edition specifically?

That would be preferred due to most of my tools being in that edition.

Varyon 12-15-2023 12:20 PM

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).

Fred Brackin 12-15-2023 09:34 PM

Re: Cold War/Modern Missiles and Bombs Stats
 
Quote:

Originally Posted by Varyon (Post 2510312)
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.

Pursuivant 12-16-2023 07:30 PM

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.

GURPS Fox 01-12-2024 03:52 PM

Re: Cold War/Modern Missiles and Bombs Stats
 
Quote:

Originally Posted by Fred Brackin (Post 2510349)
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 (Post 2510398)
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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