PowerCorp
- Markets PowerStore flywheel system.
- http://www.pcorp.com.au/

ASPES Engineering AG
- Graphic comparisons of power, rotor speed, and energy. Bibliography includes English and German titles.
- http://www.aspes.ch/

Motor Generator - Brushless DC Motor
- on motor types for high speed flywheel energy storage.
- http://www.control.com/1026210450/index_html

Liebert FS Advanced Flywheel Energy Storage System
- Emerson Network Power announcement of new product.
- http://www.liebert.com/bottom_news2.asp?id=1904

Pentadyne Selected as ``Most Promising Company''
- at Energy Venture Fair V. Flywheel maker lauded.
- http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20041122005701&newsLang=en

Flywheels channel at Power Design 365
- articles, product information and vendors
- http://www.powerdesign365.com/Flywheels/

Flywheel energy storage - Wikipedia
- article includes equation for kinetic energy
- http://en.wikipedia.org/wiki/Flywheel_energy_storage

Beacon Power
- Makes 2 and 6 kilowatt-hour flywheel (kinetic-electric) energy storage units.
- http://www.beaconpower.com

NASA P&PO: Aerospace Flywheel Development
- wants 5x specific energy (Whr/lb), and 2x life, for spacecraft. Applications, accomplishments, events, development, details, business opportunities, images, papers/presentations, and resources/links.
- http://space-power.grc.nasa.gov/ppo/projects/flywheel/

NASA P&PO: Highlights and Accomplishments
- NASA Glenn Research Center, Power & Propulsion Office news. Page shows 3 items on flywheel development. Pictures and contacts.
- http://space-power.grc.nasa.gov/ppo/highlights/index.html

Technology Management & Funding Press Release
- Announces addition of World Flywheel Consortium, Inc. (WFC) to its portfolio & demonstration unit with 0.5 kWh of energy and 40 kW of power. Contact info.
- http://www.tribologysystems.com/mirrors/www.tmflp.com.mirror/prflywhe.htm

Tribology Systems, Inc.
- Solid-lubricated bearing technology. Operational speeds can range up to 500,000 RPM, with temperatures up to 1000 F. Links to flywheel battery information.
- http://www.tribologysystems.com/

Flywheel Energy Systems, Inc.
- Private corporation to "bring flywheel technology to the marketplace" Rotors, testing, and systems.
- http://www.magma.ca/~fesi/

Regenerative Power and Motion: A Low-Loss Flywheel Battery
- technology and applications of stationary model.
- http://rpm2.8k.com/homepage.htm

Flywheels
- Technical paper and information on exotic bearings for flywheels.
- http://www.virginia.edu/romac/flywheels.htm

Flywheel Theory
- Basics of flywheel energy storage, with links to many other sites.
- http://www.upei.ca/~physics/p261/projects/flywheel1/flywheel1.htm

FAQ: Kinetic Energy Storage
- ASPES Engineering AG site with technical information and theory on flywheels and design. Photos of failures.
- http://www.aspes.ch/faq.html

RPM's Flywheel Battery
- Flywheel battery described as having near-zero storage (idling) loss, unlimited service life with no maintenance, ultra-high power conversion efficiency.
- http://home.earthlink.net/~fradella/homepage.htm