Fig. 3. THE EARTH: THE SYSTEM WITH ELECTRIC CABLE

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A CSC of 13500 kg mass, an SB block of 1900 kg mass and a depot-block (a tanker) of 11600 kg mass for storage of liquid and solid cargoes of up to 180 tons mass. The SB block is connected by an electric cable of invariable length with the depot-block which in its turn is connected with the CSC by an electric cable of variable length (at the account of usage of a reel-to-reel mechanism of the cable winding and unwinding). Correspondingly fuel cells are not used for the ERE energy supply. All the system is put into orbit in two launches of the CR "Zenith-2".
With apogee altitude equal to 500 km, the speed in perigee -- 7858 m/s (220 km altitude), with speed alterations by a value of around ±15 m/s (around 30 m/s in total).
Electric power of the membrane solar batteries (SB) -- 3.73 MW
Electric power of electrorocket engines (ERE) -- 3.73 MW.
ERE specific pulse 31750 m/s
SB mass -- 1900 kg (0.5 kg/KW)
ERE mass -- 2800 kg (0.75 kg/KW)
Cargoes' catcher mass -- 1000 kg.
The rest equipment mass -- 9700 kg.
Mass of the captured portion of cargo -- 50 kg.
Maximal length of the CSC electric cable -- 11000 m.
Length of the track of the cargo substance -- 8000 m.
Time of track capturing -- 1 s.
Acceleration of braking in course of cargo capturing -- 29.1 m/s2 (~3 g).
Number of operations on cargo capturing for 1 year -- 5000.
Mass of the captured cargo for 1 year -- 250 tons.
Mass of the cargo used in ERE for 1 year -- 62.5 tons.
Mass of the cargo accumulated in the orbit for 1 year -- 187.5 tons.
The fleet of multiuse suborbital rockets for exploitation in course of 1 year -- 12-25 pieces (with 200-400 launches/rocket endurance).