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Topic: Flywheel

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Flywheel energy storage

Rotational energy

Momentum wheel

Angular momentum

Solar array

Pottery wheel

Momentum

Synchronous motor

Steam engine

Torque

Spacecraft propulsion

Internal combustion engine

Centrifugal governor

Attitude control

Undersquare

	Flywheel
		Flywheels are one of the oldest and most common mechanical devises in existence.
		Flywheels are one of the most promising technologies for replacing conventional lead acid batteries as energy storage systems for a variety of applications, including automobiles, economical rural electrification systems, and stand-alone, remote power units commonly used in the telecommunications industry.
		There are safety concerns associated with flywheels due to their high speed rotor and the possibility of it breaking loose and releasing all of it's energy in an uncontrolled manner.
	www.upei.ca /~physics/p261/projects/flywheel1/flywheel1.htm (0 words)

	Flywheel Summary
		Flywheels resist changes in their rotational speed, which helps steady the rotation of the shaft when an uneven torque is exerted on it by its power source such as a piston-based, (reciprocating) engine, or when the load placed on it is intermittent (such as a piston-based pump).
		Flywheels can also be used by small motors to store up energy over a long period of time and then release it over a shorter period of time, temporarily magnifying its power output for that brief period.
		A momentum wheel is a type of flywheel useful in satellite pointing operations, in which the flywheels are used to point the satellite's instruments in the correct directions without the use of thrusters.
	www.bookrags.com /Flywheel (1655 words)

	Flywheel - Wikipedia, the free encyclopedia
		Flywheels can be used to produce very high power pulses as needed for some experiments, where drawing the power from the public network would produce unacceptable spikes.
		A momentum wheel is a type of flywheel useful in satellite pointing operations, in which the flywheels are used to point the satellite's instruments in the correct directions without the use of thrusters.
		A vehicle with a vertical-axis flywheel would experience a lateral momentum when passing the top of a hill or the bottom of a valley (roll momentum in response to a pitch change).
	en.wikipedia.org /wiki/Flywheel (477 words)

	Inertia flywheel assembly for a dynamometer - Patent 5429004 (Site not responding. Last check: )
		An inertia flywheel assembly of a dynamometer according to claim 1 where said dynamometer is capable of acquiring and performing computations on data from one or more sources relating to said automotive vehicle or said inertia flywheel means or the environment.
		An inertia flywheel assembly of a dynamometer according to claim 15 where said dynamometer is capable of acquiring and performing computations on data from one or more sources relating to said motorcycle or said inertia flywheel means or the environment.
		The flywheel is mounted in the same position as was the replaced driving component, it is supported by the vehicle, and it is driven by the vehicle's power transmission.
	www.freepatentsonline.com /5429004.html (2145 words)

	Flywheel Energy Systems Inc.
		Flywheel Energy Systems Inc. is a Canadian controlled private corporation that was incorporated in the Province of Ontario in 1993.
		The company's focus is to design, fabricate, assemble and distribute flywheel energy storage systems and related components.
		The labs are suitably equipped to fabricate composite rotors and composite test articles, to perform required material properties testing, and to spin test composite rotors or flywheel systems.
	rd.business.com /index.asp?epm=s.1&bdcq=Flywheel&bdcr=3&bdcu=http://www.magma.ca/~fesi&bdcp=&partner=2662601&bdcs=nwuuid-2662601-5A7D46E8-AFEF-8B1D-2CCE-BF1ECFF2A471-ym (0 words)

	PowerPedia:Flywheels - PESWiki
		Flywheels can take an electrical input to accelerate the rotor up to speed by using the built-in motor, and return the electrical energy by using this same motor as a generator.
		Flywheels already play a role in some futuristic engine designs and are presently used by some utilities to temporarily store energy that is used to provide electricity when demand spikes.
		Flywheels might one day play a role in conjunction with other energy storage devices, such as capacitors and batteries, to deliver the energy necessary to power an automobile or dwelling.
	peswiki.com /index.php/PowerPedia:Flywheels (898 words)

	Power plant having a fluid powered flywheel - Patent 4466245 (Site not responding. Last check: )
		The flywheel comprises internal cylinder spaces which extend radially outwardly from a central region of the flywheel but which curve in a particular circumferential sense about the axis of the flywheel.
		The flywheel is journaled for rotation about its axis by a journal shaft containing a passage through which the pressurized liquid is conducted to the flywheel.
		The flywheel body structure is further provided with exit, or exhaust, ports 60 which serve to communicate the exit point of power fluid from each cylinder space to the radially outer periphery 46 of the flywheel body structure.
	www.freepatentsonline.com /4466245.html (4131 words)

	Scooter Help - Vespa Flywheel Removal
		The flywheel is heavy enough that to stop it rotating is less force than is required to move the piston up to the combustion stage.
		Lighter flywheel motors (like on tuned bikes) usually have a higher idle rate because the flywheel needs to be spinning faster to move the piston with the same amount of force.
		The circlip fits in a groove in the flywheel, and as the central nut is loosened the lip of the nut starts to push on the circlip, which tries to push the flywheel off the tapered crank.
	www.scooterhelp.com /tips/engine/flywheel.old.vespa.html (547 words)

	Flywheel energy storage - Wikipedia, the free encyclopedia
		Flywheel systems have also been used experimentally in small electric locomotives for shunting or switching, e.g.
		A long-standing niche market for flywheel power systems is facilities where circuit-breakers and similar devices are tested: even a small household circuit-breaker may be rated to interrupt a current of 10,000 or more amperes, and larger units may be have interrupting ratings of 100,000 or 1,000,000 amperes.
		Flywheels are not affected by temperature changes as are chemical battery batteries, nor do they suffer from memory effect.
	en.wikipedia.org /wiki/Flywheel_energy_storage (1709 words)

	[No title]
		These flywheels were balanced by Trail Tech after being removed from the vehicle.
		Because of this, a Yamaha 450 flywheel that does not need balancing is hard to find (we have never seen one).
		Flywheel balance will be lost when it is machined.
	www.trailtech.net /flywheel_balance.htm (303 words)

	NASA - From Child's Toy to the ISS: Flywheels Hold the Power
		Flywheel batteries could save NASA tens of millions of dollars a year in equipment and energy costs, as they could be used in satellites as well as the space station, and they would yield significant benefits for terrestrial applications as well.
		As the flywheel is discharged and spun down, the stored rotational energy is transferred back into electrical energy by the motor -- now reversed to work as a generator -- and creates electricity to supply power where it is needed.
		While flywheel technology is now in use in several terrestrial applications -- such as providing backup power for hospitals and serving as a power bridge (filling the gap between power outage and generator startup) in manufacturing plants -- it is still a young technology.
	www.nasa.gov /vision/earth/everydaylife/flywheel.html (1937 words)

	Puma Race Engines Technical Guide - Lightening Flywheels
		As the flywheel effect is proportional to the square of gearing, it will be 4 times as high for the bike engine.
		Given that flywheels (at least in rear wheel drive cars) tend to be situated about level with your feet, it isn't worth the extra acceleration if you lose both feet when the ring gear comes out through the side of the transmission tunnel like a buzz saw at 7,000 rpm.
		Components which rotate at engine speed like flywheels are the most cost effective ones to lighten in terms of their equivalent chassis mass but it pays not to overlook the mass of any rotating component.
	www.pumaracing.co.uk /FLYWHEEL.htm (2113 words)

	Newswise
		Flywheel batteries can help improve power quality by storing energy near the load (where it is needed), ready to take up the slack anytime the main power feed is temporarily interrupted--by lightning hitting a transformer, for example.
		Flywheel batteries are also a good match to several hybrid vehicle schemes, including high-speed trains and buses.
		Flywheel batteries can store energy more efficiently than ordinary batteries, and they have an additional, unique, advantage: their spinning rotors can be used as gyroscopes to help stabilize the craft in its flight.
	www.newswise.com /articles/view?id=FLYBATT.IEE (524 words)

	Awesome Library - Technology
		Flywheels may be an alternative to batteries for storage.
		Provides results of a study that suggests that the use of a flywheel may be desirable to stablize bikes for children.
		These flywheels may be of a size, weight, and shape suitable for bicycle wheels.
	www.awesomelibrary.org /Classroom/Technology/Machines/Flywheels.html (668 words)

	ThumperFaq: Flywheel Weights
		AC current: The size of the flywheel must be large enough to house the magnets that are used to produce engine spark.
		Four ounces on the inside of the flywheel is not the same as four ounces on the outside of the flywheel.
		Once welded to the stock flywheel giving a total flywheel weight of 569, 619 or 672 grams respectively-the moment of inertia is increased to 4.46 kgcm2, 5.27 kgcm2 and 5.98 kg-cm2.
	www.thumperfaq.com /mxa_flywheel.htm (1671 words)

	Flywheel Publishing Co. (Site not responding. Last check: )
		Flywheel is a book publisher committed to the highest standards of craft in exploring humanity's grand spectrum, from noblest values to feeblest foibles.
		The defining property of the flywheel is the spinning of a body on an axis.
		That single property can be as frivolous as the dancing of a child's top or as profound as the very rotation of the earth.
	www.flywheel.us /intro.htm (172 words)

	Scooter Help - Vespa Small Frame Flywheel
		Removing the flywheel allows you access to the stator for timing purposes, access to the flywheel side oil seal, and must be done before splitting the casings.
		On this flywheel I was able to use a typical P series holding tool due to the slot with a rubber bung in it.
		The flywheel is mounted on a taper on the end of the crank and cannot just be removed once the nut is free.
	www.scooterhelp.com /tips/engine/flywheel.sf.vespa.html (415 words)

	Flywheel Marvels and Fiascos
		Flywheel reliability, with no maintenance, can be far higher than electrochemical batteries, and expected flywheel service life can be 100x higher (300 years vs. 3 years).
		Flywheel enthusiasts may have advocated flywheel power storage for the generator and/or an onboard flywheel, for solar reflector attitude control.
		If their flywheel is enclosed in a vacuum, it probably has gaskets to facilitate re-opening their enclosure for maintenance.
	www.geocities.com /dfradella/facts.htm (2825 words)

	CD Baby: FLYWHEEL: Flywheel - from indie911 (Site not responding. Last check: )
		Formed 3 years ago in upstate New York, FLYWHEEL (consisting of guitarist Pat Gasperini, bassist Sandy Nardone, Drummer Jimmi Crifo, and Manchester England-born vocalist Stephen Bell) made it a personal goal to raise the bar for hard rock, presenting a distinctive style while evoking delicate subject matter in a very earth shifting fashion.
		Currently, FLYWHEEL is working and extensive run in the Southeast, and dates around the country are all but guaranteed.
		Flywheel is a four piece new power rock band formed in upstate NY just 90 miles north of NYC that has two former members of the rock band Pound.
	www.cdbaby.com /cd/flywheel/from/indie911 (1392 words)

	RRE's Clutch And Flywheel Tech Info
		Flywheel step is the step height of the outer shelf that the clutch pressure plate bolts to.
		When ever a DSM flywheel is resurfaced, how ever much material is removed from the friction surface must also be removed from the upper step.
		Aluminum flywheels, while made out of high strength aluminum, have a steel friction surface that can be replaced when you do your next clutch job.
	www.roadraceengineering.com /clutchandflywheeltech.htm (2964 words)

	NASA - Space Research - From Child's Toy to ISS: Flywheels Hold the Power
		Flywheel energy storage systems are under development to provide a more efficient and cost-effective alternative to electrochemical batteries in spacecraft, as well as in cars and other everyday applications.
		As the flywheel is discharged and spun down, the stored rotational energy is transferred back into electrical energy by the motor — now reversed to work as a generator — and creates electricity to supply power where it is needed.
		While flywheel technology is now in use in several terrestrial applications — such as providing backup power for hospitals and serving as a power bridge (filling the gap between power outage and generator startup) in manufacturing plants — it is still a young technology.
	spaceresearch.nasa.gov /general_info/flywheel.html (2067 words)

	Flywheel 7.2
		Besides the known issues listed in Flywheel's readme document, some of which are substantial and most likely responsible for the bug report dialog box, Flywheel clearly isn't designed to be a comprehensive UML diagram editor.
		Flywheel seems to have been initially designed as a refactoring tool with code visualization added to it to facilitate refactoring reviews.
		For what it is designed to do, Flywheel successfully executes on its advertised claims and can help make the lives of VS.NET coders working with numerous objects much easier by visualizing how their work relates to the overall solution they're developing.
	www.aspnetpro.com /productreviews/2004/08/asp200408rm_p/asp200408rm_p.asp (988 words)

	CD Baby: FLYWHEEL: Flywheel (Site not responding. Last check: )
		Members of Flywheel have toured extensively for the last several years with bands such as Fuel, Buckcherry, Collective Soul and the Cranberries.In addition they have played a number of large radio festivals across the country that included national top 40 acts such as Staind.
		Flywheel is known for its exhaustive touring schedule, sometimes playing as many as 250 shows a year.Their self-titled record was an independent smash, selling nearly 10,000 copies through their touring efforts.
		Flywheel has had enormous success in every facet of the music industry, from the radio to the stage, from the internet to recording.
	cdbaby.com /cd/flywheel2 (399 words)

	Flywheel Resurfacing
		If a flywheel needs to be resurfaced or replaced, its index position with respect to the crankshaft should be clearly marked prior to removal to maintain proper engine balance.
		The solid flywheels do not use the same clutch as the original, and some are designed for a larger diameter clutch to beef up the torque capacity of the drivetrain.
		A dedicated flywheel grinder with an overhead stone rotates the flywheel while it is being ground to achieve the required flatness with minimal metal removal.
	www.aa1car.com /library/2003/bf100372.htm (2339 words)

	Shop for Flywheel at 1A Auto
		A flywheel can have a damaged ring gear that starts off grinding and eventually leaves you stuck with the starter gear not engaging at all.
		A manual transmission flywheel can become glazed over, stress cracked, or damaged from high miles or a worn out clutch.
		A new car or truck flywheel, when replacing a clutch, insures that you will not have to do the job twice.
	www.1aauto.com /1A/Flywheel (326 words)

	Manual Transmission: Flywheel (Site not responding. Last check: )
		The flywheel, when coupled with the clutch disc and pressure plate makes and breaks the flow of power from the engine to the transmission.
		The flywheel also has a large ring gear at its outer edge, which engages with a pinion gear on the starter motor during engine cranking.
		The face of the flywheel, the area that contacts the clutch disc, is subject to “heat checking”, which occurs during excessive heat buildup between the clutch disc and flywheel.
	www.carcare.org /Manual_Transmission/flywheel.shtml (237 words)

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