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- Newsgroups: sci.electronics
- Path: sparky!uunet!spool.mu.edu!uwm.edu!linac!uchinews!rover.uchicago.edu!frank
- From: frank@rover.uchicago.edu (Frank - Hardware Hacker - Borger)
- Subject: Re: Flywheel batteries as EV power source
- Message-ID: <15DEC199213355410@rover.uchicago.edu>
- News-Software: VAX/VMS VNEWS 1.41
- Sender: news@uchinews.uchicago.edu (News System)
- Reply-To: frank@rover.uchicago.edu
- Organization: Joint Center for Radiation Therapy
- References: <1992Dec13.114534.961@cmkrnl.com> <1992Dec15.004956.465@mtu.edu>
- Date: Tue, 15 Dec 1992 19:35:00 GMT
- Lines: 23
-
- In article <1992Dec15.004956.465@mtu.edu>, cmwolf@mtu.edu (christopher m. wolf) writes...
- >jeh@cmkrnl.com writes:
- >The same flywheels are referenced in the last IEEE. They are low mass, very
- >high speed devices. The low mass does not obstruct cornering, while the
- >high speed and low diameter helps them to store more power. They supposedly
- >should take about 10 minutes to fully "charge", given a large enough (not
- >impossible) power source, although usually not available in the normal home.
- >They should be made of a composite fiber material, so if they should break
- >apart, they will basically turn into something resembling cotton, instead of
- >destroying everything around it. Several of these would be needed. The
- >magnetic bearings would supposedly allow them to spin for months if not
- >being used.
- >
- What do they do about precession? I remember that being a problem, and
- precession effects would still be proportional to the amount of energy
- stored. (Love a car that works great in Kansas but goes bananas in San
- Francisco.)
-
- Frank R. Borger - Physicist __ Internet: Frank@rover.uchicago.edu
- Michael Reese - Univ. of Chicago |___ Phone : 312-791-8075 fax : 567-7455
- Center for Radiation Therapy | |_) _
- | \|_) Faith is believing what you know
- "Birthplace of Softball" |_) ain't so. - Mark Twain
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