kzt wrote:That is stated, but it's BS if you think about it.
IIRC, David has stated that one of the things that makes the MMM so effective is the that ships have a crew of about 20 vs like 60 for the SL. There are 10 million people in the RMN. How many tens of thousands of ships do you really think the MMM has?
You need 100,000 ships to produce a 20% deep pool. With 100,000 freighters that would give you 1.2 million stops/year.
Which is pretty absurd, as there are just not that many settled planets (like under 5000 or so iirc) and few of them need an 8 million ton freighter to call on them multiple times per year. Very few need a freighter to stop by several times per month.
So it's more like 20,000 at max, which gives you 400,000 crew vs the 10 million people in the RMN.
I think you gravely underestimate the level of stupidity commonly inherent in commerce and consumer demand.
First of all though, unless i misrecall, it was mentioned in the first book that Haven built those Q-ships the way they did because it resembled the most common freighters, which IIRC was around 2M ton.
Secondly, i don´t think you understand just how much tonnage is around. Earth today has between 1 and 2 BILLION tons just of maritime transportation(depending on what exactly you´re counting), spread out over 53K to 89K vessels.
Yes, the availability of near-space transportation and other effects of technology means the need for interplanetary transport goes down.
But it does not disappear completely. And it´s not the absolute NEED that you have to look at but how much the locals is
willing to pay for.
You also have to remember that just because a place CAN be 100% self sufficient, almost nowhere actually IS. And even with space capable transportation added to ease matters on individual planets, you´re also going to have a vast spread of planet types, with wildly differing conditions that WILL lead to various exports and imports becoming established.
Why spend many years worth of planetary effort to build up all you need to be completely self sufficient, when you can import most things relatively cheap?
There´s a bundle of planets with populations counted in billions, and the majority of those are likely going to generate a crapload of commerce.
under 5000 or so iirc) and few of them need an 8 million ton freighter to call on them multiple times per year. Very few need a freighter to stop by several times per month.
Anything with populations above hundreds of millions will likely have a steady stream of freighters both coming and going.
I wouldn´t be the slightest surprised if there are 100+ planets that have "8 million ton freighters" arriving or departing on a daily basis.
I would probably be more surprised if there isn´t.