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Finbar
post Oct 23 2003, 10:50 AM
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Ok, I was thinking of sending the PC's to steal a prototype suit of Powered Armour, you know, shoulder mounted toys, forearm mounted toys, enviroseal, rigger controlled while in the suit of Armour, basicaly it adds about a foot to the overall height of the wearer and about 2 tons of weight. However, i'm trying to work out a Power System. Short of the Eva like armoured power cable dragging out the back of it, which I really want to avoid at all costs, then I'm looking at either some kind of electric batteries using 2060 ultra efficient technology or there are a pair of some sort of chemical reaction motors (for and aft to balance) on it. With servo motors providing the motion and the rigger controlling everything through their VCR, not muscles, then that wont be a problem, but I need ideas for a power supply, or would Batteries be enough to power such a suit for 3 hours?

As for those saying "no mechs" this isnt a mech, it's effectively an Arthropod drone which has the rigger along for the ride rather than be remotely pilotted. Thus, from the Corp's point of view, no intercepts by enemy Riggers, and the ability to send shielded, heavy combat forces into tactical areas such as Irradiated Zones, Areas affected by Toxic waste and the like, with minimal affect to their personel who will most likely be confronting some sort of nasty there. As well, moving sufficient firepower in on each Suit, to deal with multiple simultaneous threats in a combat heavy area. this is also the Prototype.
Admittedly, remembering back to Rigger 3, i could increase the price and decrease the weight using "modern smart materials" and so on, but it still comes down to power source.
Any Ideas?
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mfb
post Oct 23 2003, 10:51 AM
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i'd say "whatever the JIM uses". highly efficient batteries, likely.
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Dim Sum
post Oct 23 2003, 11:10 AM
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JIM energy source would be insufficient to power the various gizmos and weaponary on such a sucker.

Finbar is actually on the right track trying to make a rigger-controlled manned anthroform "drone". One of the players in my group dedicated SIGNIFICANT time and effort in trying to design one because the GM at the time threw what appeared to be people in power armour on our tails (turned out the GM just made it up and they didn't conform to any rules :D ).

Anyway, the player (his DS moniker is SykoBear) was unsuccessful in building something efficient so I doubt it can be done (he's very meticulous and if he can't do it ...). SykoBear, wanna add your 0.02 nuyen's worth? (If he happens to be checking out Dumpshock, I'm sure this thread will attract him like a fly to doggy-doo!)

:D


[edited for spelling]
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Laughlyn
post Oct 23 2003, 08:04 PM
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If your powersuit doesn't have to face any huge pressure changes (specifically huge increases) a fuel cell or a micro turbine will out perform batteries. The advantage of the batteries is that they can be pressurized.

That's just one of the other issues with the vehicle part of the game. Fuelcell vehicles still use electric motors. Anyone researching battery/fuelcell vehicles would know that. It should be something this:

Engine output/power consumption: Pick a type say accell 10, load 1,000 and max speed 100kph/ 5ph per km
Fuel source: Battery power or fuel cell (fuel cells in turn rated at BAR per ph).
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ialdabaoth
post Oct 23 2003, 08:10 PM
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What are the rules in SR3 for *adding* a seat to a vehicle? How much CF does it take up?
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Arethusa
post Oct 23 2003, 08:24 PM
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A fuel cell or a micro turbine would both be completely inacceptable in a suit of armor. One well placed shot near the fuel cell's hydrogen supply and you can wave goodbye to a whole squad. And the turbine gets worse from there.
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Herald of Verjig...
post Oct 23 2003, 08:25 PM
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In R3, page 150 (for ejection variety) or 153 (for regular).
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Laughlyn
post Oct 23 2003, 09:10 PM
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Arethusa

Haven't you heard or armor? I know it's strange concept to put armor on things that are important to you, but people do it all the time.

Not only that, but you really need to go out and do some research on the subject prior to postings. Since we are talking about something that a person goes inside of, we have some room to work with. Hydrogen tanks can be quite small. It all depends on how much you want to spend on the fuel. From a large tank with low pressure to a small tank with liquid hydrogen, both have there advantages and disadvantages. Those are just canisters. Hydrogen can be stored inside of some compounds, making it even safer.

Now micro turbine generators are even easier as those can be run on diesel fuel, take up very little space and the fuel can be compartmented around the body. So really it's not that big of a deal. Before you even say it, diesel fuel is pretty safe. It has to be pressurized before it can explode, it's not nearly as flammable as most other fuels and it can be easily stored inside a liquid fuel cell. Much like those used in racing.

Now then, the important items on the armor that are just as much at risk are sensors, servos, air intake/air tank/etc. Besides armoring said items, how do you propose to keep people from shooting out other vital areas?
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Arethusa
post Oct 24 2003, 12:50 AM
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When you need a suit of armor for a person, adding more to armor the fuel creates more problems that a soldier on a battlefield does not need to deal with. Even if it's statistically well protected, that's a liability I would just not want to have hanging over my head. With APDS and EX-EX rounds flying, that last thing I want to worry about is the structural integrity of my fuel supply being compromised. Hydrogen storage in a combat situation is hardly safe, much less storing it inside of something that is intended to get shot a lot.

I'm aware that diesel is quite safe. The problem with that is lack of sufficient fuel supply for extended operation, not to mention lack of any subtlety whatsoever.

And you are right that servos, sensors, and breathing aparati become problems as well. Still, servos can be sufficiently armored even with present day tech, and should said armor fail, the results would not be nearly so catastrophic as a pressurized hydrogen explosion. Sensors, likewise, seem to be viably armored according to what I see coming out of Rigger 3 (which is limited, I'll admit; I haven't read the book). Air is another issue entirely, and one that can be at least partially solved with rebreathers.

All that said, power armor is, for a variety of reasons, very much not suited for real life, and, as far as I can tell, not even viable in Shadowrun. Guess I'll have to go back to playing Fallout 2. Mmm, .223 pistol.
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last_of_the_grea...
post Oct 24 2003, 12:50 AM
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Hmmm...what if ya had a mage make an ally spirit with the form of power armour? :D Then Dikote it!

Heck, if ya give it multiple forms you could have your very own transformer!

Or for a battletech thing, you could dub said power armour "elemental armour!"
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Arethusa
post Oct 24 2003, 02:05 AM
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But then you'd need a compact, lightweight reactor plant that you could strap to your back. And I know SR tech is a bit nuts, but it's not that nuts. But, then again, I haven't read SOTA 2063.
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SykoBear
post Oct 24 2003, 04:08 AM
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Hi Dim Sum,

Yes, it's me! The guy who tried to design power armor. Now, before I go on, I'd like to point out that what I did was according to Rigger 3 rules. This is in no way a comment on the feasibility of technology, only the rules.

Finbar, you're pretty much on the right track. You want an Anthroform Body 3 as the chassis and either the battery or the electric fuel cell as the power source. Stick in a seat into the chassis and you are done (all possible under Rigger 3 rules).

Now the real problem I had with designing the Anthroform are as follows:

1) You need significant space to stick the pilot in. IIRC it consumes a CF of 4. The maximum CF you are going to get out of a Body 3 Anthroform chassis is 10. You will also need decent sensors if you intend to use this "power armour" on soft fleshy things. Hence, you really don't have that much space to work with. Consider that "Power Armour" brings to mind at the very least a sealed cockpit for the pilot and you will see how little space you actually have.

2) Some bright spark would no doubt go by now, "AHA! I'll just hand-carry my weapons!". Well that sucks too. Under Rigger 3 rules, you essentially have to make 2 rolls (1 Mechanical Arm Operation, 1 for the relevant skill) and use the WORSE of the two in order to get your mechanical arm to do anything. Nasty GM's *may* want to extend that to arm-mounted guns as well (because the Anthroform's arms can contain guns just like a Cyberarm). Which means, you can either have a nice bunch of small but inaccurate guns in the cyberarm, or use up even more of your limited space on mounted weaponry.

3) Has anyone else noticed that there is no manuever score listing for anthroforms? It was a significant rain on my parade because, as a vehicle pilot, I would be worried about other vehicles (since it is likelier to find anti-vehicle weapons on...vehicles).

4) Fire elemental + Unawakened Rigger in Power Armour = Very dead rigger. Nuff said. (I suppose you could stick a ward around the passenger compartment though, not sure how much that would help).

So yeah, I think it's doable, but you're probably going to have some interesting design flaws, like an unsealed cockpit or inaccurate weapons or both. My opinion is that this accurately reflects the state of Shadowrun technology at the moment (ie it's possible, but all the kinks haven't been worked out yet).

Besides, an Anthroform drone can't mount an ERPPC...err...ANDREWS system so why bother? :cyber:
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Hero
post Oct 24 2003, 04:52 AM
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Instead of you the pilot actually aiming or any of that other drek, you could have a expert computer do all the targeting. The basic idea is you stick a dedicated drone computer to take care of the tracking and targeting for you, all you do is select the target. Takes care of the robotic arm and a shooting test for you, all you do is a sensor aided gunnery test, and your problem is fixed.
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SykoBear
post Oct 24 2003, 06:05 AM
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Hey Hero,

Mind showing me a reference in the sourcebooks where what you have suggested can be done?
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Hero
post Oct 24 2003, 06:30 AM
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You add a pilot system that is restricted to surtain functions to this powered armor and equip the pilot system with Autosoft called a Sharpshooter. This auto soft adds it rating to the drones gunnery test, thus increasing its chances of hitting the said target. Autosofts have program multipliers, the one for Sharpshooter is multiplier: 8, use the table in SR3 or Matrix, don't have either on hand so I cant give the page numbers. Now all you have to do as the pilot is either select the target or let the computer do it for you, really simple if you think about it, its just going to cost some heavy amount of nuyen.

Here is my make on the powered armor thing, I am using Rigger 3 the none revised edition some something might be off. You can fit quite a bit in if you use external cargo mounts, I went over the limit by six so I compensated by adding 6CF worth in external cargo mounts.

HAA-3 Mk. III Powered Armor
Hand: 4
Speed: 46
Accel: -
Armor: 6
Sig: 5
Auto: 4
Pilot: 5
Sensor: 4
CF: 0
Load: 316
Seat: 1
Entry: 1b
Fuel: 60PF
Econ: 1.5
Chassis: Large Anthro
SI: *
Avail: *
Cost: 685,140
*GM descretion

::Control::
-> There is a special drone computer that takes over much of the target tracking and control, it also is can take control of the vehicle when the pilot is not activily piloting or is incapacitated. The drone computer takes over all of the primary functions of tracking and firing at the target, the pilot only must make a gunnery test, and has a Sharpshooter 6 program installed. The advanced software package includes Robotic Reflexes 3, Robotic-Pilot Advanced proggraming, Fuzzy Logic 5, Improved Neural Network Algrorithms 5. Treated as a robot with adaptation pool 10 (+10 to adaptation pool to comprehension test), when not controlled by a pilot.
-> Rigger Adaptation
::Protective::
Enviro Seal Gas/Over-pressurized
::Weapons::
-> 2x Fixed Mounts (one located on each outer forearm, with 1CF ammo bin under the forearm)
::Electronics::
-> ECM/ECCM (mounted on back section in container pods)
-> Sharpshooter Autosoft (rating 6)
::Accessories::
-> 2x Mechanical Arms (Strength 9)
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SykoBear
post Oct 24 2003, 08:27 AM
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Hi Hero,

Just one question. How do you rig (or more accurately, "jump into" this drone) and use your nifty autosofts (which, by my understanding implies that you are commanding the drone through the captain's chair mode) at the same time? It's a nice idea that you have, and I will be the first to concede it's darned possible but

Nice idea, and a good workaround, but it's *still* a drone (and a very smart drone) that just so happens to be carrying 4 CF worth of soft meat cargo, and not "power armour" which should be (in keeping with the spirit of things) rigged by a person who is in the armour.

Incidentally, the workaround you've proposed still runs into the same problem I've mentioned, which is that you would still have to roll mechanical arm operation and gunnery and take the lower of the two (assuming for the sake of argument that you are going to mount them guns on them hands), except its the drone's skills we are talking about instead of the rigger's.

So yes, nifty design, but the fundamental problems are still the same. I note that targeting computers don't come around till the Clan Invasion in 3050. :cyber:

Good idea with the cargo mounts though. You've given me an idea about those mounts, which would expand the space to about 20 CF. Essentially, what you are looking at is an Anthroform chassis which is built to carry the pilot, sensors etc, some basic stuff in the arms and that's it. Every other piece of hardware gets stuck into a modular "External Cargo Mount". Want a recon module? Get an "External Cargo Mount" loaded with sensors and ECCM. Want an anti-air module? Get an "External Cargo Mount" loaded with anti-air missles and a turret. But, again I note, that would be dependent on a GM ruling that says that CF from cargo mounts are able to be used in that manner. Dim Sum, can we have cargo mounts doing that in our game? So, I do take it back, OmniMechs are possible in 2063. :eek:

Also, I noticed that I've highjacked the original question, which was "what's the power source"? It's either an electric fuel cell or by batteries according to Rigger 3 rules. I like mini-fusion plants myself, but those don't seem to be available just yet. I want my ERPPC dammit.
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Stonecougar
post Oct 24 2003, 10:02 AM
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I know, a lotta folks will slap me down saying this doesn't work, but... try rigging a JIM suit. Rating 6 Vehicle armor, minimum strength of 7... Plus, you can carry whatever guns you want. Talk it over with your GM about modding a JIM to use as Power armor if you're that hell bent for leather to be Johnny Rico...
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John Campbell
post Oct 24 2003, 10:05 AM
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I'm pretty sure that you can't mount vehicle equipment on external cargo racks. External cargo racks are roofracks and stuff that you can tie down cargo on, not OmniPods.

However, it does seem to be possible to build a reasonably functional armor suit out of a Heavy Anthroform without resorting to such shenanigans. I've just put one together. I ended up going with electric fuel cell because battery wasn't providing enough power to carry the armor, weaponry, and electronic gear it needed to be really effective.

Handling: 1
Speed: 40
Body: 3
Armor: 5
Sig.: 8
Sensor: 3
Cargo: 0.5
Load: 43
Seating: 1
Entry: 1h
Fuel: EFC(60PF)
Econ.: 1.5km/PF
Chassis: Heavy Anthroform
SI: 3
Avail.: -
Cost: 559,360Y
Features (deep breath...): 2 x Mechanical Arm (Str 9), Rigger Adaptation, Remote Control, External Hardpoint (Ares Victory Cannon, 0.8 CF Ammo Bin, Recoil Adjust 9), External Firmpoint (Ares MP LMG, 0.2 CF Ammo Bin, Recoil Adjust 4), Smartlink 2 Integration, Smart Materials, Structural Agility 3, Drive-By-Wire 3, GridLink Power, EnviroSeal (gas/water/engine), Life Support (10 man-hours), RAM 3, 2 x Spotlights (Visible + IR), ECM 4, ECCM 4
(I think that was everything....)
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Hero
post Oct 24 2003, 04:34 PM
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A electric fuel cell uses the electricity generated from the reaction on combining hydrogen and oxygen, the waste product if you would call it that is water. There are two ways to get rid of this "waste," one put it in storage tanks and later flush then out at home base or where ever, or two have it vented out constantly from an exhaust system. I know there are others electric fuel cell types out there but I only know of this one.

And as my drone computer idea, I mainly consider the robotic arm test used when there is a weapon in the armors hands. It also gets around the little problem with taking skills, you yours self does not have to have skill because the advanced drone computer takes the test for you. But if you do decide to go manual you need the robotic arm skill, but I would rather have the drone do it because it other wise why would spend the time putting the drone computer in. But if you are using the two fixed mounts on the forearms I just treat those as a really advanced turret, I kinda house ruled that because it made it go a bit faster.
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Laughlyn
post Oct 24 2003, 11:30 PM
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Arethusa
Dude read it all. The weight savings from the battery being removed and replaced with a fuelcell and/or a micro turbine generator would easily cover the armor being added to protect key points. So in no uncertain terms batteries weigh more than fuelcells and micro turbine generators. That's why the military is looking to go with something besides batteries to run their electronics. Let alone a power assisted or fully powered suit of armor. The battery power required for that is going to be more than the armor required to cover the hydrogen bottle (can be as small as .5l water bottle). To add to that, there are many fail safe systems in place already for hydrogen. So the safety issue just becomes moot. It's no more dangerous than having ammo on your body. Figure out how small you can get a hydrogen tank, both liquid and gas. Then tell me it’s not practical.

DO SOME RESEARCH. Your lack of knowledge is appalling. Do you have any idea how long a micro turbine generator can last on 1 liter of diesel fuel? For the that amount of weight, you can outlast more than 3 times it's weight in batteries. So how is it that weight is even an issue? Talk about power armor in a long-term campaign and you're talking about logistics, not tech.

Now as APDS and EX-Ex as you put it flying around the battlefield. I got other issues. Namely someone blowing my head off, someone hitting me with a real anti vehicular weapon and blowing me into lots of small pieces, small stuff like that. I am not worried about some grunt blowing a hole in my armor and then hoping that my hydrogen tank or diesel fuel cell does as it’s supposed to. That has got to be the least important thing on my mind. You have got to be forgetting the big picture. SOMEONE JUST PUT A HOLE IN YOUR DAMN ARMOR…WHILE YOU’RE STILL IN IT. Besides which if you want to use game terms power armor would probably be an Anthroform …thus making it a vehicle and pretty immune to small arms not using AV ammo. But hey that’s just me.

You mention that servos can be protected…but yet you leave the fact that a fuel tank can be armored. Must be nice to have selective reasoning.

Sykobear
Elemental Fire Damage against a vehicle or heavy fire retardant armor isn’t that big of a deal. Lightning poses more of a risk.

Hero
You’re right that’s just one of the many fuelcells out there. Just as a side note you can use that reclaimed “waste” water and use a solar panel to break it back down into hydrogen and water. Not to mention power the pump that would force the hydrogen back into the storage tank for later use and the oxygen into a separate tank for pilot use.
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Halloween Jack
post Oct 25 2003, 12:07 AM
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Seriously, what would be the use for this thing outside of a full-on military campaign?
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Kanada Ten
post Oct 25 2003, 12:10 AM
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The Arcology? Then again, that could be called a full-on military campaign.
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REM
post Oct 25 2003, 12:29 AM
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you dont seem to realize the fun a rigger could have with such a device
i mean i salavate on the mention of powered armour the sheer idea that it could be posible makes me happy
how ever i feel that any troops going up against a powered armour unit would be screwed if thaey had anything less than anti-tank countermeasures
yup
joy
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John Campbell
post Oct 25 2003, 01:32 AM
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Why rule out full-on military campaigns?
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ialdabaoth
post Oct 25 2003, 02:43 AM
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Quick question - given that rigging translates your body's motions into the vehicle's, why would an anthroform need a 'walker' or 'mechanical arm' skill at all? It seems like it'd just do whatever you wanted it to do, just like your own body (except maybe a bit slower and with a bit less fine control).
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