Whether the economics of having two or more airframes would work remains to be seen. That's two of all the expensive bits. I can see short haul, lower speed ro

Whether the economics of having two or more airframes would work remains to be seen. That's two of all the expensive bits. I can see short haul, lower speed routes working with less radical battery approaches. Probably have to have multiple battery locations per plane for weight and balance. I'm incredibly sceptical of SST and replacing Concorde.