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> Modding the Sakura Fubuki, Potential cheese inside
TonkaTuff
post Nov 2 2005, 12:48 AM
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QUOTE (Jaid)
hmmm... how would the whole barrel-swapping thing effect forensics? i mean, obviously, you can change the barrel itself pretty easily, so i'm guessing that the rifling marks on the rounds can't really be used as evidence very well...

mind you, i don't think the star worries too much about evidence...


Determining the type of gun that was used by studying the ammo probably wouldn't be any more difficult than it is for forensic investigators today. Plus, unlike other gunners, you're discarding the actual barrel, rather than just a clip when you reload... so if you don't have time to collect it before fleeing the scene, they've got the actual rifling to compare marks to. And you've no doubt touched the magazine with your bare hands at some point, so they have your prints, too. It's also highly likely that Yamaha would be required by law to have the gun mark each magazine it loads with a unique ID number for just this reason. You probably didn't buy the gun legally, so they won't have your address to immediately track you down as a legit owner - but if they ever catch you with it, you're in the soup for sure.

On the other hand, the high capacity would mean that you shouldn't have to switch the magazines out all that often. And in the type of gunfight where you'd empty that baby, the longer reload time means you'd be better off just switching to a backup piece (though, burst-fire or no, if you're using a light pistol as your main weapon, you've got enough problems as it is) anyhow. So in most cases, you'd probably be a bit better off than other people who have to worry about leaving clips behind.
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Dancer
post Nov 2 2005, 12:56 AM
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QUOTE (Jaid)
hmmm... how would the whole barrel-swapping thing effect forensics? i mean, obviously, you can change the barrel itself pretty easily, so i'm guessing that the rifling marks on the rounds can't really be used as evidence very well...

mind you, i don't think the star worries too much about evidence...

You should remove and melt down the barrels of all your other guns after every time you use them, as well. Be sure to buy hand-made replacement barrels from your contact, so their ballistics aren't on file anywhere.
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Prosper
post Nov 3 2005, 12:06 AM
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I think it's interesting that we'd interpret 'muzzle load' to literally mean you load a new muzzle. A new barrel would be very expensive if you had to purchase a new one (preloaded!) every time. I think tubular clips would be much more logical; instead of purchasing a new barrel (complete with electronics to fire), you insert a metal clip that holds the bullets in a line. The clip acts as both a conduit for electrical pulses and as a holding mechanism to prevent the rounds from falling out the front of the barrel. Every time you reload you remove the old clip and slide a new one in.
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Liper
post Nov 3 2005, 09:04 AM
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QUOTE
so if you don't have time to collect it before fleeing the scene, they've got the actual rifling to compare marks to.


yeah, they knew the bullet they found in slag a, was fired from the barrel they found... that'll help positively ID you as the shooter...

Leave no trace on the barrell and that's end of story.
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Gothic Rose
post Nov 3 2005, 10:41 AM
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I could be crazy, but I find the idea of the removable barrels to be kind of...preposterous.

It's a muzzle loading weapon. You load it via the muzzle. Those are the rules. It's a complex action to load each barrel. How can you tell? Because it has a capacity of 10. Times 4. Not 40. Thus, 4 complex actions.

I fail to see why all the gesturing is necessary, the rules seem fairly simple to me.
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Azralon
post Nov 3 2005, 02:35 PM
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QUOTE (Gothic Rose @ Nov 3 2005, 06:41 AM)
I fail to see why all the gesturing is necessary, the rules seem fairly simple to me.

However, the artist that drew the weapon was told greater details about the gun's functionality than we were. Some of those details run counter to our assumptions based off the weapon's canonical description.
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blakkie
post Nov 3 2005, 05:22 PM
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QUOTE (Gothic Rose @ Nov 3 2005, 04:41 AM)
I could be crazy, but I find the idea of the removable barrels to be kind of...preposterous.

Because the description is brief, and assuming the barrel isn't meant to be removed doesn't completely mesh with the drawing, and "muzzle loading" are just words ment to generalize an wide range of weapons. Well so far just 2, but they are 2 very different kinds of weapons and this could be used to cover others in the gear supplement book. Replacing the barrel is still sort loading it from the muzzle end, take a look at the weapon pic and you can see what i mean. The "barrel" almost fully slides into the overall frame (this could also be just sort of an inner wall to the barrel).

QUOTE
It's a muzzle loading weapon.  You load it via the muzzle.  Those are the rules.  It's a complex action to load each barrel.  How can you tell?  Because it has a capacity of 10.  Times 4.  Not 40.  Thus, 4 complex actions.

I fail to see why all the gesturing is necessary, the rules seem fairly simple to me.


Simple? I say more brief. ;) But yes, it certainly seems to be 4 Complex actions by RAW. The "gesturing" i think is more about how to describe it to players during play, and concern for "realism". But there are also implication of ammo in hand, balistics evidence, leaving stuff behind evidence, etc. These are indeed a real factor that many GMs take into consideration in their SR game. I'm not one for hyper-realism but i do think this is relavent in the spirit of the type of game SR is usually played as.

@Azralon, from past commenst he posted here the artist seems to have been given some range of latitude in designing gear he drew, although in the end it had to be given editorial approval before going into the book. I'm not sure we should assume exactly what the artist was told, and how that figured into the picture. He also mentioned that a lot of the art was started/created before many things had firmed up in the book. Maybe he'll be kind enough to comment on this weapon?
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Jaid
post Nov 3 2005, 05:42 PM
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QUOTE (++ [ tfxr ]3.0 ++)
QUOTE (TonkaTuff @ Oct 30 2005, 06:57 PM)
*nod* The picture of the gun itself shows what appears to be a self-contained barrel assembly along with a little diagram that strongly indicates you just slot the whole thing home. Though probably no more "complex" than loading a standard clip, the extra time probably reflects the fact that 1) you have to point the weapon away from combat to reload it and 2) the system probably needs a second or so to handshake with the control system in the new magazine. Either that, or the complex action also encompasses the act of removing the spent tube (just as reloading a revolver doesn't require an extra action to break it open so you can access the cylinder).

The Fubuki was another gun design that i drew up and the brief i got (along with logic) pointed to barrels that come preloaded with rounds and the tech to link up with the gun, as the barrel becomes the key factor in deciding how many rounds are to be fired at once | much like blakkie's "tampon" reference but instead of stopping blood the Fubuki starts the bleeding | the gun would then eject the entire barrel and you could drop another one in (same with if the most forward round failed-to-fire or the link was burned). Also the gun was all smartlinked up so you could choose what barrel fired what (and with four different round types you could be well prepared for any occurance).

...oh, and don't let a Hacker hack this gun while its sticking in your front waistband.

actually, the artist *did* post in this thread =P
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hyzmarca
post Nov 3 2005, 05:46 PM
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QUOTE (Austere Emancipator)
The problem with suppressing something with a 4-barrel stack would be that sound suppressors (as we know them) are always quite a bit larger in diameter than a barrel. If there's only a small gap, or no gap at all, between the barrels on the Sakura Fubuki, then attaching what we know as a sound suppressor on it would be impossible -- you could suppress one barrel, and the suppressor would partly block all the other barrels.

There is no sound suppressing technology I'm aware of that would completely get rid of this problem. Even with specifically designed materials and/or electronic systems that send sound waves on destructive frequencies against those that the shot fires otherwise creates still require some kind of gas expansion chamber. With suppressors as slim as 1.5x the outer diameter of the barrel, the barrels would have to be stacked quite far apart, leading to a very bulky handgun with any more than 2 barrels.

This may be a silly idea, but why not have a suppressor that fits over all four barrels at once. It would be bulky and would make reloading impossible, but it would increase the potential volume of a gas expansion chamber. It would, unfortunatly, make the gun fairly bulky.
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hobgoblin
post Nov 3 2005, 05:51 PM
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i dont think it would be impossible to reload, but it would make it more troublesome to do so.

basicly have it attached to a hinge or something at the bottom. when reloading, swing the silencer down and replace the barrels. then swing it back up and lock it in place...

still, i think this is more of a security gun then a runners gun. even more so if one can load diffrent barrels with diffrent ammo. that way they can fast switch between gel rounds for crowd control and the deadly stuff for when runners show up to party without having to replace a clip.
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blakkie
post Nov 3 2005, 05:58 PM
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QUOTE (Jaid @ Nov 3 2005, 11:42 AM)
actually, the artist *did* post in this thread =P

Thanks! Cool. Hrrmmm, i somehow missed the updating of this thread till now. I didn't think there were so many posts i hadn't read. :wobble:

EDIT: Too bad some of that text about the preloaded barrels in the brief he got didn't make it into the book. :(
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Azralon
post Nov 3 2005, 07:14 PM
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Yeah, it woulda been neat. I wonder if they cut it for space or to save the complexity for an expansion book.
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Austere Emancipa...
post Nov 3 2005, 09:22 PM
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QUOTE (hyzmarca)
This may be a silly idea, but why not have a suppressor that fits over all four barrels at once.

QUOTE (Eyeless Blond @ Oct 30 2005, 05:33 AM)
Or you could design some sort of mythincal construction that fit over all four barrels at once and suppressed them all. Of course the result would likely be far larger and heavier than the gun itself. :)
QUOTE (Austere Emancipator @ Oct 30 2005, 07:06 AM)
Now that, I suppose, could work.

In other words, it's the most reasonable way of sound suppressing the weapon that's been brought up in this thread so far. Not necessarily silly at all.

For reloading, I'd imagine you'd have to simply detach the suppressor and then re-attach it. It's significantly slow down reloading, but it's not like you want to end up having to reload this thing in combat anyway.

QUOTE (Gothic Rose)
I could be crazy, but I find the idea of the removable barrels to be kind of...preposterous.

Funny, I find any alternative way of reloading the weapon to be preposterous. Merriam-Webster and MetalStorm, Inc. agree with me.
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Gothic Rose
post Nov 3 2005, 11:15 PM
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Ahhh. I never zoomed in on the picture before! I didn't realize that the little black bar on the top is supposed to be a non-installed barrel!

Alright, I suppose I can support the idea of it being switchable barrels. It'd be nice if they had the PRICES for said barrels, though, because somehow, I dont think they're as cheap as clips or speed loaders.
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PlatonicPimp
post Nov 4 2005, 12:33 AM
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Sure they are. It's a mass market gun. Millions fo those suckers are made.
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Dancer
post Nov 4 2005, 12:40 AM
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You could always reload barrels later, with the right tools and plenty of time. What you don't want to do it to do it in the middle of combat.
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PlatonicPimp
post Nov 4 2005, 12:47 AM
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Whatcha talkin' bout? Just pop out the old ones with a cyber command, and slide the new ones in. Why couldn't it be just as easy as a clip, if the barrels were designed to do it?
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Jaid
post Nov 4 2005, 12:55 AM
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how do you swap the barrel without removing the sound suppressor, Platonic?

i mean, it's kinda attached to the barrels and all...
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Austere Emancipa...
post Nov 4 2005, 01:26 AM
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I assume PlatonicPimp was talking about reloading the weapon in general, not with a sound suppressor attached. I also assume Dancer was referring to loading the propellant, primers and bullets into the once-fired barrels (which would undoubtedly require tools and plenty of time), not loading a new set of ready barrels into the weapon.

One thing's been bothering me for a while: there are 10 ready shots per barrel? How long are the barrels? 10 9x19mm 112gr FMJ-RN bullets would already take up over 6", adding the primers and the propellant you'd get closer to 9". At that point you'd need ~13" barrels to get to average "Light Pistol" ballistics. Add several inches if it's a "Heavy Pistol".
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Azralon
post Nov 4 2005, 01:31 AM
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Since there's no hammer assembly behind the barrels the whole weapon could be exactly one barrel length long. Just a big flat thing with a handle.
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Austere Emancipa...
post Nov 4 2005, 01:34 AM
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Well, it'd certainly be a big flat thing. For reference, the 6"-barreled Desert Eagle Mk XIX is 10.75" in total length.
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RunnerPaul
post Nov 4 2005, 02:29 AM
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QUOTE (Liper)
Leave no trace on the barrell and that's end of story.

And the only way to do that, is to not put the barrel in the gun in the first place. There are bound to be grooves and latching surfaces that guide the barrel in and hold it into place, and there's bound to be some form of telltale scratches and marks left by the gun on the barrel when you slide the barrel into place, even if on the microscopic level.
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blakkie
post Nov 4 2005, 02:47 AM
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QUOTE (Austere Emancipator @ Nov 3 2005, 07:26 PM)
One thing's been bothering me for a while: there are 10 ready shots per barrel? How long are the barrels? 10 9x19mm 112gr FMJ-RN bullets would already take up over 6", adding the primers and the propellant you'd get closer to 9". At that point you'd need ~13" barrels to get to average "Light Pistol" ballistics. Add several inches if it's a "Heavy Pistol".

Ya, that actually struck me too when i first took a close look at the picture. You haven't seen yet, right? Unfortunately tfxr doesn't have that particular pic up on his site.

The weapon is close to the length of the Predator IV. Plus it has folding stock that pivots 180º from the butt of the pistol grip to fold along nearly the full bottom length of the weapon (the bottom of the frame extends as far forward as the top). When they group it with "light pistol" it isn't by size.

The barrel that is pulled out is, er, i'd say 8" tops. :eek: I think he could have make it even a bit longer to bring it up closer behind the trigger hole, but not a lot.

That's going to require some seriously funky tech for it to work. It ain't your father's ammo that's for sure. I'm also not sure how you'd keep it from having an extremely wide variance in muzzle velocity from first round to last round in the barrel.

EDIT: I guess they could vary the propellant for each round, making it smaller the further back the round is. But still the first round or three are going to have a damn low velocity unless these things are short, short, short.
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blakkie
post Nov 4 2005, 03:09 AM
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BTW i'd consider it rather dubious to give this thing the concealibility of other Light Pistols. Even with the stock folded in. Just comparing it to the other weapon pictures in it's class, and then the others on the same page it's closer to machine pistol in size and form. *shrug*
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RunnerPaul
post Nov 4 2005, 05:49 AM
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A dubious pistol in SR? Say it isn't so!
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