Flywheel Energy Storage Devices

 
Flywheel Density (kg/m3) Volume
m3
Flywheel Type Mass
tonnes
Flywheel Radius (m) Revolutions
per second
Flywheel Height (if cylinder only) (m) Rim Speed
metres per second
Flywheel Revolutions (RPM) Period
seconds
Desired Output (MW) w
"omega" per second
Output Efficiency (%) Acceleration at Rim
metres per second squared
Acceleration at Rim
Earth Gravities
   
Moment of Inertia
kg m2
   
Total Stored Energy
megajoules
Output Run Time at listed efficiency
days   hours   minutes   seconds

(copyright A.Goddard May 2000) 
used with permission. 
This is part of an article at Creativyst titled: Reducing Dependence On Proprietary Systems