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by Steve133
Fri Jun 24, 2011 6:30 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: What are your movie pet peeves re: guns?
Replies: 116
Views: 15228

Re: What are your movie pet peeves re: guns?

rm9792 wrote:
i8godzilla wrote:My biggest pet peeve--as has already been mentioned--is the lack of a need to reload.

There is a scene in Armageddon where the shuttle commander pulls out a gun. Although they were inside of the spacecraft, I would have liked to have seen how they would have portrayed the gun firing in zero gravity without oxygen.
What would the lack of oxygen matter? Should still fire.
I agree. Propellants used in ammunition contain an agent that produces oxygen when heated. My (admittedly somewhat dim) memories of long-ago basic chemistry and thermodynamics courses tell me that potassium nitrate serves this purpose in black powder; I've either forgotten or never knew what compound is used in smokeless powder. Point being that the energy supplied to ignite the propellant in the first place is also enough to start a reaction in the oxidizer that produces enough oxygen to support combustion of the other propellant components. So yeah, counterintuitive as it might seem, you can totally fire a gun in a vacuum.

The part that they usually leave out is that Newton's 3rd Law is a little more relevant when you're not rooted in place by gravity....
by Steve133
Wed Jun 22, 2011 10:31 am
Forum: General Gun, Shooting & Equipment Discussion
Topic: What are your movie pet peeves re: guns?
Replies: 116
Views: 15228

Re: What are your movie pet peeves re: guns?

Probably the most annoying thing has already been mentioned a couple of times, namely, every gun clicking and clacking like a jar of nickels every time the guy holding it so much as twitches. The backwards Aimpoint picture on the last page brings up one that I haven't seen mentioned yet. Despite the fact that alp rifles/carbines in movies now absolutely have to be the high-speed/low-drag tacti-cool types with rails and accessories everywhere, no one ever actually uses the obligatory foregrip. Most people still just grab the gun by the magazine.

Conversely, mistakes that are too common to bother me much, but that I will notice and appreciate people getting right: actually showing appropriately-timed reloads and using a more realistic sound than the stock "pew-pew" for a suppressed weapon.

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