Afternoon from the Pacific Northwest Rupert, I should have read your posts first before posting mine. I'm a day late and a dollar short as usual. Tom Rux > On October 11, 2019 at 2:57 PM Rupert Boleyn <xxxxxx@gmail.com> wrote: > > > On 12Oct2019 0925, Phil Pugliese (via tml list) wrote: > > I do recall some text towards the end of CT HGv2 stating that CT LBB2 > > could still be used to create valid ship designs & I also recall > > that, in some instances, it was advantageous to do so as fuel > > requirements were calculated by a different method. > > The fuel requirements for *power plants* is where the savings comes in. > On HG a powerplant requires 1% of displacement per power plant number > per month. In Book 2, they require 10 DTons per power plant number, > regardless of ship size. Yes, that means a type A power plant requires > more fuel when it's mounted in a 100 DTon hull than it does when mounted > in a 200 DTon hull. Also, Book 2 drives and powerplants are sometimes > smaller than HG ones for the same rating, depending on size and hull > size (and in HG's case, TL). > > Honestly, HG's rules make a lot more sense, and the Book 2 rules > wouldn't scale up at all well. While I personally think HG went too big, > Book 2 was rather limited - only three types of weapon and one defence, > and quite small ships. Note that a Liberty or Victory freighter of WWII, > a decent sized but not huge freighter for the time, would be 2500-3000 > DTons using Book 2, as the basic cargo load of a Liberty ship was a > nominal 10,000 tons. As a 'ton' is merchant shipping cargo terms was > nominally about a ton of weight and taken to be 100 cubic feet of > volume, and a Displacement Ton is 14 (or 13.5) m^3 or just about 500 > cubic feet, 1 DTon is 5 tons in this sense. Thus a 'Liberty load' is > about 2000 DTons, and even a J1 ship needs to be about 2600 DTons to > carry that. > > A WWII cruiser comes in at about 2000 DTons, and HMS Dreadnought no less > than 3000 DTons. A 'treaty' battleship would be ~6000 DTons, an Iowa > ~8000 DTons, a Yamoto ~10000 DTons, a modern US aircraft carrier over > 20000 DTons, and a super tanker up to 30000 DTons. > > I do wish that HG had limited itself to 50 or 100 KDTon ships, or at > least had an implied cap around there. At the very least, if Supplement > 9 had been so limited, and thus the 3I, it would have been good, IMO. > The stupidly big ships of the 3I (and HG, MegaTraveller, and so on) so > completely overshadow PC-size ships it's not funny, and explaining how > they don't commercially as well is a bit hard. It doesn't help that the > ships PCs are likely to own or run are very small, too small to have > been able to make a living from for most of the 20th century if they > were ocean-going tramps. > > > -- > Rupert Boleyn <xxxxxx@gmail.com> > Chief Assistant to the Assistant Chief > ----- > The Traveller Mailing List > Archives at http://archives.simplelists.com/tml > Report problems to xxxxxx@simplelists.com > To unsubscribe from this list please go to > http://www.simplelists.com/confirm.php?u=zZOCJCw2BI9jPrGTB4OJoibiHbbTEiok
