05-20-2019, 07:58 PM | #11 | |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Skill level of an automated sentry gun?
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05-20-2019, 08:09 PM | #12 |
Doctor of GURPS Ballistics
Join Date: Sep 2004
Location: Lakeville, MN
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Re: Skill level of an automated sentry gun?
I saw a video where an enterprising lad worked up one of these with a full-auto paintball gun . . . and his brother walked into the test zone with predictable results.
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05-20-2019, 09:18 PM | #13 | |
Banned
Join Date: Jul 2006
Location: 100 hurricane swamp
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Re: Skill level of an automated sentry gun?
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I'd certainly put Cemetary Guns and ye olde rigged shotgun at the door into the classification of 'sentry gun'. |
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05-20-2019, 11:47 PM | #14 |
Join Date: Oct 2008
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Re: Skill level of an automated sentry gun?
A lot of that missing is due to the stress. Machines will not feel stress(unless we get real full AI).
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05-21-2019, 12:46 AM | #15 | |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: Skill level of an automated sentry gun?
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Note that even though, aside from the speed and short engagement range, these system have a fairly simple job, and use a very high rate of fire cannon, they do not have a 100% success rate. They also aren't perfect at selecting targets (despite the fairly clean environment and simple criteria), leaving the designers and users with the problem of having to choose between 'prone to false positives' (wasting ammo, possibly killing civilians, possibly running the system dry just before a real attack), and 'prone to false negatives' (your ship gets sunk). Sentry guns intended for use on land against infantry, aliens with acid for blood, and annoying local wildlife have to work in a much more cluttered environment, and will probably be expected to be more economical with ammunition. They are also more likely to be around potential friendly or neutral things that look quite like the things they're supposed to shoot. Even those only employed in 'free fire zones' will be an embarrassment if they shoot up stray goats too often. Overall, while the targetting solution is fairly trivial on roughly human-sized targets moving at human speeds at normal small arms engagements ranges, the shoot/don't shoot problem is not.
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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05-21-2019, 01:11 AM | #16 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Skill level of an automated sentry gun?
That's kind of overestimated. Yes, people take a lot of low probability shots in combat, but it's not stress that makes them do that, it's the fact that waiting around for a high probability shot greatly increases the odds of being shot.
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05-21-2019, 03:54 AM | #17 | |||
Join Date: Jul 2006
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Re: Skill level of an automated sentry gun?
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05-21-2019, 04:54 AM | #18 | |
Join Date: May 2019
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Re: Skill level of an automated sentry gun?
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There's a more recent video I saw, but can't find now because it looks like Youtube took it down, of a CROWS system with a .50 cal attached that automatically tracks to a downed opponent and, either autonomously or because the operator had the trigger held down, just engaged him with a few seconds of fire. It's not pretty, even in IR. The scary part is it clearly identified both the non-moving body and a wounded soldier crawling away with targeting brackets. Even if there's a human operator, he's probably conditioned to shoot at the boxes. |
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05-21-2019, 05:05 AM | #19 | |
Join Date: May 2019
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Re: Skill level of an automated sentry gun?
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I bet if we put a quad Bofors on a ship with the guidance of a Phalanx and a fast enough tracking turret, it would do well. Problem is, it would weigh way more than the equivalent in missiles. The RIM-116 launcher weighs half what the Goalkeeper system does and gives you 21 missiles with a near certain hit at far longer ranges than a gun does. |
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05-21-2019, 05:29 AM | #20 | |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: Skill level of an automated sentry gun?
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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