The quote below, seemingly attributed to me, is actually from Jed. At 6:59 AM 3/30/5, Mike Carrell wrote: >Horace wrote: ><snip>. >> > >> >There also schemes to use high-capacity capacitors for urban buses. Every >> >bus stop would be equipped with power mains to recharge the bus while the >> >passengers get on and off. This seems impractical to me. > >Not so. In Europe there have been bus systems with flywheel energy storage >operating for years. Bus stops have a charging pole that can be contacted by >a bus to recharge at every stop. > >In all the discussion about batteries, there is a case to be made for >flywheel storage, which has been refined for years. The key issue is very >high strength fibers for the flywheels, for the faster the flywheels can go, >the higher the energy density, and it is an exponential function of the >flywheel speed. > >Mike Carrell
Regards, Horace Heffner

