To provide redundancy, a Space Fountain could be built with more than one projectile loop and power supply; in the event of projectile loops failing, the remaining loops would be capable of supporting the structure until the others were repaired.
A Space Fountain could be built with more than one projectile loop. This was to provide redundancy. A Space Fountain could be built with power supply. This was to provide redundancy. The remaining loops would be capable of supporting the structure. This was to provide redundancy. This is in the event of projectile loops. These projectile loops are failing. The others were repaired.