Re: SPS ERoEI is excellent



On Sep 21, 10:21 pm, Fred J. McCall <fjmcc...@xxxxxxxxx> wrote:
Totorkon <aertr...@xxxxxxxxx> wrote:

:
:Of course it is likely that kerosene or liquid methane will be the
:fuel and when compared to the electricity these fuels would produce, a
:single month of sps output would effectively equal the total energy
:cost of manufacture, transportation and assembly, including that of
:the launch vehicles, ion engines and construction 'bots'.
:

So why do you think nobody is pouring money into this if it's such a
great deal?

--
"Some people get lost in thought because it's such unfamiliar
 territory."
                                      --G. Behn

Twenty thousand dollars per installed kW, just for transportation to
orbit, for starters. Then there is the scale, anything under 5GW is
impractical.
.



Relevant Pages

  • Re: Virginia: The $5 Transportation Solution
    ... Win for Virginia: The $5 Transportation Solution ... Four essential components to any viable transportation funding package are: ... The Virginia fuel tax is the ideal mechanism for supporting our ...
    (misc.transport.road)
  • Virginia: The $5 Transportation Solution
    ... Win for Virginia: The $5 Transportation Solution ... Four essential components to any viable transportation funding package are: ... The Virginia fuel tax is the ideal mechanism for supporting our ...
    (misc.transport.road)
  • Re: OT - Supply side solution for oil energy bound to fail.
    ... If you don't understand the difference, you really shouldn't comment on our transportation habits. ... For your case of travel from Carson City to Utah, there is no reason why it can't use more efficient vehicles. ... The US does have a great air transportation system but that is hardly the most fuel efficient means of travel. ... Electricity is about 4 to 5x more energy efficent for locomotion than internal cumbustion, but it is very difficult to store. ...
    (rec.photo.equipment.35mm)
  • Re: The Cold War Returns
    ... France is fortunate because 80% of their fuel comes from nuclear power plants. ... A large difference is total electrification of the railroad network and a much larger dependence on rail for transportation, even though the modal share of rail for both freight and passengers has been declining. ... Add aviation and shipping to the fossil fuel mix and, largely due to the size of the country, the amount of fuel used for transportation far exceeds the amount used to generate electricity or heat. ...
    (soc.retirement)
  • Enough, we want good public transport
    ... With the whopping fuel hike of June 4, the nation is now caught in the ... We, the rakyat, are ready to adjust but we need the government to put ... need to switch to other more efficient transportation modes using ...
    (soc.culture.malaysia)