BobfromSydney wrote:I think it is not only a matter of expense of the bigger, better equipment (Military vs. Commercial).
It seems quite evident that one of the reasons why military ships have crew sizes two orders of magnitude bigger than similar displacement merchant vessels is because there is a lot of maintenance that needs to be done to enable military ships to ride the bleeding edge of acceleration, velocity and hyper bands. I think the main difference in running costs between military and commercial vessels is actually crew costs (assuming you discount the cost of actually fighting).
The large crew requirement of military ships is a direct need for several things. To man the weapons and operate the massive sensor suites they have. If you discount the crew needed to man and maintain weapons, and operate/maintain the sensors and such, the drew requirement drops by a lot.
MaxxQ wrote:JohnRoth wrote:If by "streak drive" you mean the specific piece of equipment that MAlign ships use, then I agree. If Zakharra simply means an improved drive that lets them get up an additional hyper band, then I can see it coming down the pike in a few decades, if not sooner. David's desire to have dirt-cheap interstellar transportation has not repealed the time value of money, the cost of idle inventory that's sitting aboard a ship in transit, the innovation risk of goods that are obsolete by the time they arrive at their destination and the cost of paying crew to play pinochle as their ship wends its way between the stars. There's a lot more to a logistics chain than shipping.
Maybe, but if so, don't you think current gen freighters would have better compensators and particle shielding for higher n-space velocities as well? Sure, the n-space portion of the trip is pretty darn short compared to the hyper distances travelled, but still, every bit counts. I also have to wonder if the additional cost, reduction in cargo space, and possible enlargement of the crew (and related environmental gear - due to possible additional maintenance/monitoring/running requirements) would be offset enough by the decrease in travel times a streak-like drive would have.
I don't know. All I know is that by your logic, freighters ought to be using civilian versions of milspec hyperdrives, compensators, and shielding - but they don't, except in rare cases such as Bachfisch's ships and Hauptman's passenger liners.
John Roth has it right. There's no reason why some merchant ships wouldn't be using the better rad/particle shielding, inertial compensator and such, other than being cheap. It also might be simply, that the military spec hyperdrive engines simply aren't allowed to be used by select authorized users. Hauptman clearly is one such authorized user. His corporations build warships so they have access to the parts.
Another consideration might be a scarcity of spare parts. There's likely a much higher chance of replacement parts for the commercial hyperdrives merchant ships use. But also take this into considerations; Manticore merchant ships likely have better engines, shielding and compensators than most Solarian vessels do, but you don't see the Manty ships downgrading to Solly level of drives and such. It would be cheaper after all to use such, but it's also somewhat slower. So speed is a factor to be taken into consideration. Hence my idea of some commercial vessels using things like the milspec drives or even streak drives. There should be a market for very speedy vessels that can carry decent cargoes -fast-. This wouldn't affect bulk transport which would move by slower ships, but it can mean a nice bottom line for some select companies that do follow this model as they satisfy a niche market.