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Replacing Starship Equipment & Systems
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CRMcNeill
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PostPosted: Fri May 08, 2015 2:26 am    Post subject: Reply with quote

The D20 to D6 conversion of Wizards of the Coast's Starships of the Galaxy for Saga Edition Star Wars.
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garhkal
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PostPosted: Fri May 08, 2015 2:57 pm    Post subject: Reply with quote

Ning Leihrec wrote:
Thanks Cheshire!

Also, I'd like to work up some armor types for replacing existing plating on starship hulls, but I can't decide if that's too much stat boosting as it would be free of modification mishap penalties. Though it could incur maneuverability and speed penalties. Thoughts?


I always thought by the rules as is, when you improved Hull, you lost Maneuverability at a 1 for 1 rate. BUT trying to find where it was mentioned is alluding me at this moment.
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CRMcNeill
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PostPosted: Fri May 08, 2015 5:17 pm    Post subject: Reply with quote

Personally, I'd rather have extra Hull Armor have a weight cost, with Speed and Maneuverability penalties coming into play if you ever exceed your listed cargo capacity.
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CRMcNeill
Director of Engineering
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Location: Redding System, California Sector, on the I-5 Hyperspace Route.

PostPosted: Fri May 08, 2015 9:25 pm    Post subject: Reply with quote

Basically, my thinking at this point is that the ship's cargo capacity represents how much extra mass the ship can carry before it starts to affect performance, with the trade-off that a space transport needs to retain some usable cargo capacity...
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Ning Leihrec
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PostPosted: Fri May 08, 2015 11:14 pm    Post subject: Reply with quote

hadnt thought of that one. Wouldn't it make a difference if the added weight was coming from the exterior as opposed to the interior of the ship? As in the case of heavier armor?
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CRMcNeill
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PostPosted: Fri May 08, 2015 11:22 pm    Post subject: Reply with quote

Ning Leihrec wrote:
hadnt thought of that one. Wouldn't it make a difference if the added weight was coming from the exterior as opposed to the interior of the ship? As in the case of heavier armor?

It shouldn't. The engines are pushing the ship's total mass regardless of whether that mass is carried internally or externally; it's all a part of the ship.
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Venerath
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PostPosted: Sat May 09, 2015 12:14 pm    Post subject: Reply with quote

crmcneill wrote:
Basically, my thinking at this point is that the ship's cargo capacity represents how much extra mass the ship can carry before it starts to affect performance, with the trade-off that a space transport needs to retain some usable cargo capacity...


Cargo on trucks, ships and planes is nearly always expressed in volume rather than weight (with a 40 cubic foot/ton used for many trucks/vans, called a measurement or freight ton, and the 100 cubic foot volume that is used most of the time now for large cargo ships, called a register ton). For this reason most of these vehicles never come close to their actually weight limit, though they will often have a warning for the operator (don't fill the entire truck with liquid unless you want to destroy the shocks).

One of the reasons that I believe this is consistent with what Star Wars does is their approach to cargo. In many cases when you look at the value of goods in the tramp freighters gg the goods that are worth the most are the ones that have the least inherent bulk, so you can pack more of them in /cubic foot. Raw goods tend to be bulkier and take up more space, lowing their value (and not just because they haven't been processed).

When you reduce the cargo weight of the ship it has to do with not just the weight of the weapon, but the space needed for power generators, integrating the system, turret access points, all that good stuff. This is why adding passenger space is so expensive, it has nothing to do with the weight of passengers (which is essentially negligible), it has everything to do with the space required to for them to sleep, eat, lounge, additional consumables, more oxygen tanks, etc.

It is also how bulk freighters can carry 20X the cargo space of another "starfighter" scale light or medium freighter. It is not because they have an engine that is 20X more powerful, just that the ship is ugly as sin and is designed like a container ship, with lots and lots of volume.

Will heavier armor impact the ability of the ship to maneuver and accelerate? You bet, especially in the atmosphere. Will it reduce the cargo capacity of the ship? To be honest, probably not as much as one would think.......unless........you proscribe to the idea that a ships hull is much more than just armor, and includes particle ray shielding, pressurization systems, force field generators (for the purpose of sealing vacuum etc), redundant vacuum doors, all that jazz. In which case increasing the "hull" of the ship does indeed require additional space and power, something that is very likely to reduce the available interior space.

Do I let players increase their hull? Yes. For me I do what was mentioned above, and reduce maneuverability for each pip and reduced speed in the atmosphere for each full D6 (technically, in space the ship would be able to reach it maximum speed with more or less weight, it would just reach it more slowly/quickly). The loss of cargo space usually comes when the players install more maneuvering jets and larger engines/repulsor arrays to compensate for the penalties.
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CRMcNeill
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PostPosted: Sat May 09, 2015 12:59 pm    Post subject: Reply with quote

I'm a truck driver. I do this for a living. I almost never worry about volume, but weight governs almost everything I do. This is not to say that volume isn't a factor (it is), but respectfully, your statement is incorrect. The only time volume is a factor for trucks is when either the cargo is so light that the entire available volume of a box trailer can be filled with weight to spare, or the physical dimensions of the cargo exceed legal or physical restrictions (tunnels, bridges, etc.). I can't speak with authority on other forms of transportation, but weight is a major factor for aircraft as well, with volume only being a concern if you can't fit the cargo inside the aircraft.

Even if this were not the case, if WEG expresses cargo capacity in metric tons, not square or cubic meters, they are expressing cargo capacity as weight, not volume.
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KageRyu
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PostPosted: Sat May 09, 2015 2:20 pm    Post subject: Reply with quote

If I can find the notebook...
I had created a number of added ship items for fleshing out ships of the starfighter and tramp freighter classes for my Star Wars games, and later for my D6 Savage Universe games. I had a variety of Armor, maneuvering thrusters, engine variants, electronic and sensor suits, improved drones and remotes, fuel pods and boosters, I had worked out the cost and weight for the Corellian Quad-Gun turrets shown in several D6 books, Hull reinforcement, and also collected an index to various books that had or listed unique ship based items not included in either edition of GG6.

I do like having both 1st and 2nd editions of GG6 because there are some differences in equipment, and the first edition book does cover increasing the base hull code (which was left out of the 2nd edition for some reason).

I was also working on converting ideas and concepts from very mechanical based games I had played to a D6 system (such as Heavy Gear and Mekton II). Not sure how much of that got finished though as I have not seen or opened the notebook in question since about 2006.
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Venerath
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PostPosted: Sat May 09, 2015 6:28 pm    Post subject: Reply with quote

Page 42 of tramp freighters

Passenger Conversion
To carry additional passengers, cargo hold space must be converted to passenger space. Cost: 400 credits per additional passenger capacity. Weight: 10 tons per person.

How does adding food, oxygen, and sleeping quarters for one person equate to 10 Tons? It doesn't (especially since this is required across the board regardless of the consumables for the ship).

Just like I said before. Weight has an impact, but moving a ship in space (with no resistance, purely mass) is entirely different from moving the same mass via the ground. Spaceships that fly in the atmosphere also make heavy use of repulsorlifts (anti gravity tech). When the Falcon takes off, it does so with its repulsor lift array, the sublight engines kick in after it has cleared the landing area and is on its way.

I am in no way discounting your experience for what you do, just pointing out that it is inconsistent with what these ships are trying to accomplish.
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CRMcNeill
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PostPosted: Sat May 09, 2015 8:33 pm    Post subject: Reply with quote

So basically you are saying that even though WEG used metric tons (a universally accepted measurement of weight, not volume) for basically all their stats, but made one arbitrary ruling to allow for conversion of cargo space to passenger space, that one ruling automatically negates the laws of physics and makes metric ton a measurement of volume?
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Venerath
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PostPosted: Sat May 09, 2015 9:49 pm    Post subject: Reply with quote

Not at all. Most of their cargo modifications suffer the same issues.

Though I confess the physics makes me laugh. To suggest that any of the star wars ships comply with physics is beyond a stretch. The Kuat Drive Yards Space Master Medium Transport is a star fighter scale medium transport that is 80 meters long with 19,000 "metric tons" of capacity. The Zuraco medium freighter is 87.3 meters long and has a 200 metric ton capacity. Both are star fighter scale, with similar hull and shields, yet one of them nearly 100X the cargo capacity (very funny, since the Zuraco is showt to have more than one deck and the Space master only one). Do you really think one of them has an engine that is 100X more powerful to compensate for the difference in scale? Of course not. The Ghtroc Cargo Empress rocks out 50,000 tons at 110 meters, starfighter scale.

In the atmosphere the ship experiences resistance from the atmosphere along with gravity that must be overcome in addition to the mass of the object that is being moved. Your truck has to deal with those all the time in addition to resistance from where the rubber meets the road, wind, and other environmental conditions.
Starwars cheats with their "repulsor lift arrays" that are anti gravity devices so they can have very un-aerodynamic ships and speeders fly.

But once they hit space, much of that changes. There is no resistance from atmosphere, and there is no gravity outside the planets well. The maximum speed of the ship is not determined by how much it weighs....but by the speed of the propulsion system and available fuel. Constantly engaging the engine will cause something in space to go faster and faster, there is no resistance. That is physics. The Ghtroc freighter with a move of 3 can go just as fast in subspace as an Xwing with a move of 8, it just has to keep its engines on longer to than the Xwing, and if it has more consumables than the Xwing, theoretically it can achieve a greater speed than the X wing eventually, since it can burn its engines for longer.

Subspace movement is not a distance traveled. It cannot be a maximum speed. The only thing it really can be is the acceleration available to the ship while in a vacuum.

Maneuverability is a similar issue. In the atmosphere flaps, vanes, wing design, and engine speed all contribute to a vehicles maneuverability. In space the only thing that matters the amount of force the maneuvering jets put on the mass to allow it to change direction. That's it. Yet, a ship shaped like a brick with 1D in maneuverability often uses it in both the atmosphere and in space. Only a handful of ships actually make any distinction between the two.

Most pure "physics" discussions with star wars just don't work (and the same goes with most sci-fi games). The amount of energy required to allow the Space Master to lift 19,000 tons compared to the equally sized Zuraco's 200, especially when escaping a gravity well, is obscene in comparison. You could easily find dozens of similar comparison issues in no time at all. If it was truly a matter of weight, I could mount the Space Masters Engine on a Zuraco and fly 50X faster while in subspace.
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CRMcNeill
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PostPosted: Sun May 10, 2015 12:24 am    Post subject: Reply with quote

So, if the Starship Modification chapter is so riddled with flaws, why are you so willing to redefine metric tons as a measurement of volume based solely on the word of that same flawed chapter?
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cheshire
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PostPosted: Sun May 10, 2015 6:35 am    Post subject: Reply with quote

Venerath wrote:

Most pure "physics" discussions with star wars just don't work (and the same goes with most sci-fi games). The amount of energy required to allow the Space Master to lift 19,000 tons compared to the equally sized Zuraco's 200, especially when escaping a gravity well, is obscene in comparison. You could easily find dozens of similar comparison issues in no time at all. If it was truly a matter of weight, I could mount the Space Masters Engine on a Zuraco and fly 50X faster while in subspace.


Hmm... maybe the Zuraco didn't ESCAPE gravity... maybe gravity let it go.

Watch your back Zuraco... better watch your back.
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CRMcNeill
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PostPosted: Sun May 10, 2015 9:53 am    Post subject: Reply with quote

cheshire wrote:
Hmm... maybe the Zuraco didn't ESCAPE gravity... maybe gravity let it go.

Genius! That's the only explanation for the ease of its escape. They're tracking it.
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