I was using the figures provided in an example posted by someone else. Using *those* figures, I believe that my calc was correct. Now, as for your figures, a big factor comes into consideration; How does present day Earth tech-level scale up to TU level tech? (others have mentioned that it won't necessarily be 'straight-line' analogous & I believe it's obvious were I stand on that) As for a hypothetical world w/ a 1.1gigaTonne figure, let's see; (BTW: Does 1 tonne = 1dTon? I don't think so but let's go ahead and postulate a world w/ 1.1giga dTons.) Assuming an avg of 500dTon cargo cap amongst various size vessels they'd need about 2,000 thousand trips/year= 5.5 departures/day. Not a very high figure at all but maybe too high for T5. Naturally, an avg of 250dTon cargo cap amongst various vessels would yield about 11 departures/day. *But* aren't these both imports & exports? In that case ships can be counted twice as they can bring an avg of 500dTons, or 250dTons, & also take out the same amount. But since they will also be arriving & departing they will count twice there too so it would be more accurate to say 5.5 (low-end) or 11 (high-end) arrivals/departures per day. BTW, What's the ratio of im to ex? I would assume it's not 1 to 1 so let's increase the number of arrivals & departures to about 8 (low-end) to 16 (high-end). (Note that this assumes that ships might have to leave w/o a full load, which I've never seen taken into consideration. The examples that I recall pretty much assume that ships will come in full & leave full.) Still, very reasonable traffic levels. ------------------------------------------------------------------------------------ On Mon, 8/25/14, Tim <xxxxxx@little-possums.net> wrote: Subject: Re: [TML] expected ship traffic To: xxxxxx@simplelists.com Date: Monday, August 25, 2014, 5:00 PM On Mon, Aug 25, 2014 at 07:37:58AM -0700, Phil Pugliese (via tml list) wrote: > I believe that 1000dT J2 merchantman could handle the trade from > Oz'. About 280-300 trips/year. By Oz you mean Australia? According to Ports Australia, our sea trade for 2012-2013 was 1.1 billion tonnes. So you're wrong by a factor of roughly a thousand. > And that's *If* such a trade could really be sustained in the TU, > which I doubt as, unlike the Earth the TU is not bound by an upper > TL limit of 8 or 9. Which I believe changes things quite a bit. Given the canonical prices, wages, and TL disparities - no, if anything the TU should see more trade than MT ever envisaged. - Tim ----- The Traveller Mailing List Archives at http://archives.simplelists.com/tml Report problems to xxxxxx@travellercentral.com To unsubscribe from this list please goto http://www.simplelists.com/confirm.php?u=EwREIRgLK8vaUEhNlnoNdSGKwnjoID8a
