
EmpireErik |
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Ship construction rules for freighter, meaning expansion bays converted to cargo holds has to be off.
I have to assume that for the game, bulk freighter and heavy freighters, etc., still are relatively small ships. Otherwise the cargo hull 25 ton capacity limit is way to low. On page 295 of the CRB, a bulk freighter has 10 expansion bays. A heavy freighter has 8 expansion bays. Accordingly to page 299, a cargo hold "can contain approximately 25 tons of goods." Size limits (volume) are based on merging cargo holds, not capacity. So an unmodified, basic designed, bulk freighter, and heavy freighter can only carry 250 or 200 tons of cargo, respectively. This has to be incorrect or the size of the ship is very small.
Why? A "Handysize" ocean bulk carrier ship (in real world) can transport 10,000 to 35,000 metric tons of deadweight. Ignoring metric tons vs. US tons (a difference of only 240 pounds), this means that the smallest ocean going freight carrier, a "Handysize", has 400 to 1,400 cargo holds on it.
I think a zero-G bulk freighter should have massive cargo capacities. Unless these are considered small ships and atmosphere capable, I cannot see such restrictions. Also there has to be considerably more massive cargo haulers not yet disclosed. Ok, I get this.
Also, if you convert the expansion bays to crew quarters, we are only looking at a max of 60 passengers per expansion bay. As we know, this is extremely small. Also, just to play with this, a 2017 Dodge Ram truck has a max towing capacity of about 5 tons.
While the rules say "these size restrictions can be overridden at the GMs discretion," I propose the following:
My proposition:
A 20-foot cargo container seen in modern day can carry 21 tons of goods. A 40-foot cargo container can carry 25 tons. They are build for different purposes.
So I modify one cargo hold from weight to volume and make the single cargo bay size equivalent to eight 20-foot containers stacked 2x2x4, so that 8 containers can fit I a single cargo hold. This also allows 4 40-foot containers in the same bay at 2x2x1 (height, width, and then length). This preserves volume and modifies weight capacity. This also converts the cargo weight capacity to about 1600 tons/cargo hold. Much more acceptable, but still low.
Thus, a heavy freighter can "safely" transport and enter a planet's atmosphere carrying 16,000 tons, and a heavy freighter's lift capacity would be about 12,800 tons.
Also keeping this volume, we preserve the size of the cargo bay for conversion of labs, quarters, large and gargantuan size objects, etc.
Comments, criticisms? Anyone see anything wrong with this idea?