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Topic: Square wheel

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	Wheel - Wikipedia, the free encyclopedia
		The invention of the wheel thus falls in the late Neolithic and may be seen in conjunction with the other technological advances that gave rise to the early Bronze Age.
		The wheel (with axle) is considered one of the simple machines and lies near the starting point of advanced human technology (advanced, that is, in comparison with even earlier mechanical innovations such as stone/bone knives and axes, tension-sprung projectiles, scoops and shovels).
		When wheels are used in conjunction with axles, either the wheel turns on the axle or the axle turns in a vehicle (as in a cart) or a housing (as in a mill).
	en.wikipedia.org /wiki/Wheel (1322 words)

	Square wheel - Wikipedia, the free encyclopedia
		A literal square wheel is a wheel that, instead of being circular, has the shape of a square.
		In the 1990s Stan Wagon, a mathematician at Macalester College, constructed a bicycle with square wheels, together with a special track for riding it on.
		It should be noted that a square wheel can roll perfectly smoothly if the road has evenly spaced bumps in the shape of a series of inverted catenary curves.
	en.wikipedia.org /wiki/Square_wheel (275 words)

	Muse: Square Wheel
		But a square wheel may be the ultimate flat tire.
		Wheels shaped like pentagons (five sides), hexagons (six sides), and octagons (eight sides) also roll smoothly over bumps made up of pieces of inverted catenaries.
		Ultimately, the wheel has so many sides that it looks like a circle and its road is practically flat.
	www.sciencenewsforkids.org /pages/puzzlezone/muse/muse0299.asp (347 words)

	Reinventing the square wheel - Wikipedia, the free encyclopedia
		Reinventing the square wheel is the practice of unnecessarily engineering artifacts that provide functionality already provided by existing standard artifacts (reinventing the wheel) and ending up with a worse result than the standard (a square wheel).
		This is an anti-pattern which occurs when the engineer is unaware or contemptuous of the standard solution and also does not understand the problem or the standard solution sufficiently to avoid problems overcome by the standard.
		However, when reinventing the wheel is undertaken as a subtask of a bigger engineering project, rather than as a project in its own right hoping to produce a better wheel, the engineer often does not anticipate spending much time on it.
	en.wikipedia.org /wiki/Reinventing_the_square_wheel (339 words)

	Hunter GSP9700 Wheel Vibration Control System
		Removing the lug nuts (or bolts) identifies a pilot-hole centric wheel and the wheel is then moved up/down and side/side to see if the wheel will move around the center of the pilot hole and the mounting hub on the vehicle.
		A lug centric wheel is identified by removing the lug nuts (or lug bolts) and the wheel is then moved up/down and side/side to see if the wheel will move around the center of the pilot hole and the mounting hub on the vehicle.
		If movement of the wheel while placed on the hub of the vehicle is apparent, then the wheel should be mounted on the balancer with a cone from the backside and a FLANGE PLATE to locate the wheel on the balancer by the lug holes in the wheel.
	www.gsp9700.com /pub/technical/4127t.cfm (1558 words)

	The Effects of Regular Square Meal vs Advanced Nutrition Diet on Mean Wheel Revolutions in House Mice
		There was also no difference in mean wheel revolutions between the male groups fed the differing diets of common square meal or Advanced Nutrition Diet meal.
		There was no difference in mean wheel revolutions between the females fed common square meal (Mean =20.17, Standard deviation =14.87) and the females fed Advanced Nutrition Diet meal (Mean =23.0, Standard deviation =8.15).
		The effects of common square meal vs. Advanced Nutrition Diet meal on mean wheel revolutions per 3-minute trials in each test group.
	depts.alverno.edu /nsmt/archive/feaster.htm (1435 words)

	[No title]
		The wheel is square, and the road must suit the wheel.
		Look, under the square wheel, there is a curved line, which is called catenary in mathematics.
		When the square wheel moves forward, the curved line coordinates well with the square wheel, making the central height of the square wheel remain the same.
	www.cstm.org.cn /conten_pages/permanent_con/modern/floor3_con/math/math_02.html (71 words)

	The Square Wheel! (Site not responding. Last check: 2007-11-02)
		The Square Wheel is a non-profit organisation working towards securing a safe, warm venue for young people of Romford to chill out.
		The Square Wheel project was formed to give young people a safe place to hang out in central Romford and working towards this takes on many different forms.
		The Square Wheel Youth Group was originally held on the same night as the forum, but it soon became obviously that the two were conflicting massively.
	www.thesquarewheel.co.uk (290 words)

	Catenary Road and Square Wheels
		Since the length of each catenary curved section of the road exactly equals the length of one side of the square, the corners of the square always end up rolling over the low points of the road and the midpoints of the sides always roll over the high points of the road.
		No matter where the wheel is along the road, the center of the wheel is always a constant distance above the table.
		Thus the center of gravity of the wheel is always at the same height and the wheel should be able to balance anywhere along the road.
	nths.newtrier.k12.il.us /academics/math/Connections/curves/sqwheels.htm (375 words)

	[No title]
		Overbalanced wheels are of little interest to the physicist, for physicists understand, from many well-established laws and many lines of argument that even if there were such a thing as perpetual motion, this is certainly not the way to achieve it.
		Perpetual motion wheels are invariably cyclic, that is, all motions of the wheel and its parts are repeated exactly during each complete revolution.
		Since the wheel's motion is cyclic, and the motion of the mass is cyclic, the work done on the mass by gravity as the mass moves down is of equal size to the work it does against gravity moving back up.
	www.lhup.edu /~dsimanek/museum/overbal.htm (1687 words)

	Square Wheel Car Propels Itself by Shifting Weight - Possible MEMS Locomotion (Site not responding. Last check: 2007-11-02)
		The first prototype consisted of a car with 4 square wheels, in the general configuration of a typical car, with all 4 wheels mechanically connected together so they must all turn in unison.
		Furthermore, the rotational orientation of the wheels are sequentially off-set from one wheel to the next by 22.5° (¼ of 90°), moving around the vehicle in a CW or CCW direction as viewed from above.
		“The shifting weight sequentially drives each wheel that is under the weight to sit flat on the ground, thus moving the other wheels in a rotational manner, and the car in a linear direction; reversing the direction of the rotating weight, reverses the direction of the car.
	www.emediawire.com /releases/2005/12/emw316686.htm (684 words)

	Wagon Wheel Square Dance Club
		Wheel Square's Dance Club was founded in 1967 in Ravensdale, WA which is
		We invite you to consider Modern Square Dancing as family activity for young and old alike.
		Modern Square Dancing is "not your father's barn dancing" as often portrayed in the movies and
	www.wagonwheelssquaredance.org (221 words)

	[No title] (Site not responding. Last check: 2007-11-02)
		Using kinematics, it is shown that the correct roadbed for a square object rolling without slipping is a series of inverted catenaries.
		The dynamics of the square are revealed by the conservation of energy method.
		Remarkably, the square is shown to be capable of winning a downhill race against a sphere on a parallel inclined plane." _________________________________________________________________ 94e:26020 26A99 (00A69) Hall, Leon(1-MOR); Wagon, Stan(1-MACA) Roads and wheels.
	www.math.niu.edu /~rusin/known-math/99/squarewheel (503 words)

	Bicycle Riding on Square Wheels
		A square wheel can roll smoothly, keeping the axle moving in a straight line and at a constant velocity, if it travels over evenly spaced bumps of just the right shape.
		In fact, the idea is not new, and Wagon picked it after seeing an exhibit about square wheels at the Exploratorium in San Francisco.
		Just as a square rides smoothly across a roadbed of linked inverted catenaries, other regular polygons, including pentagons and hexagons, also ride smoothly over curves made up of appropriately selected pieces of inverted catenaries.
	radio.weblogs.com /0105910/2004/04/05.html (381 words)

	square wheel
		As if comes from the factory, the Wilton Square Wheel has a 10" drive pulley that runs the machine at 4600 SFPM (surface feet per minute) Before they were offered commercially, I had one made at a local machine shop.
		The easy way to do this is to remove the contact wheels and use a set of vise grips to drill the holes for threading, and then enlarge the holes in the casting to accept the socket head bolts.
		I seldom use the 8" wheel, with the exception of profiling blades.
	www.caffreyknives.net /wilton.htm (673 words)

	TRAILER TESTER.com - Square Wheel Inc.
		For more than 20 years Square Wheel has supplied trailer testing equipment to the trucking industry.
		Our equipment can be found in any size operation, from the assembly plants of some of our nation's largest trailer manufacturers to a person running a mobile service truck out of his home.
		Square Wheel's equipment appeals to such a wide variety of users because everybody wants the same thing: equipment that is sturdy, straightforward, and functional.
	www.trailertester.com (171 words)

	Performance Management - Some Round Wheel Thinking
		Misconceptions abound about performance and behavior and many organizations persist in trying to "reinvent the wheel" when in fact there are other wheels in the wagon.
		But the wagon is rolling on Square Wheels, which work but have a tendency to not work really well on level ground.
		There is a lot to be said for a discussion that is not perceived to be aggressively attacking one's values and goals and that is simply focused on the behaviors that might be improved.
	www.squarewheels.com /temp/perf.html (1328 words)

	The Wheel (Site not responding. Last check: 2007-11-02)
		He cut a square out of wood and attached the square wheel by a way of an axle.
		He tried an eight sided one then a twelve sided wheel and concluded that it was useable.
		A little research revealed that as he rolled the wheel under load, the twelve corners wore down leaving a perfectly round wheel.
	home.att.net /~unletteredandordinary/whoarejw/supportbible/wheel1.htm (460 words)

	Square Wheels: The Bizarre World of Wheels
		The invention of the wheel is a milestone in humankind's progress in commerce.
		Perfecting wheels and the roads upon which they travel has occupied manufacturers and engineers for centuries.
		The mathematics of rolling wheels is a fascinating subject that can be approached with only a small amount of background in calculus.
	www.wolfram.com /products/explorer/topics/squarewheels.html (79 words)

	STEP BY STEP PROJECTS: Making a Carving Wheel
		With the wood cut relatively square, with the end grain on the top and bottom, measure and mark the wood at the desired thickness, mine was cut to about 1/4" thick.
		You’ll be using a mandrel to hold your wood on the drill for shaping and then for attaching your finished wheels and points to your flex-shaft for use.
		Change your cutting surface to the finer side of the rasp until the wheel is uniformly round and you can’t tell where the corners were.
	www.lapidaryjournal.com /stepbystep/july04.cfm (1467 words)

	The Birmingham Wheel in Centenary Square.
		The Ferris Wheel is not a permanant feature of Birmingham having arrived in our city from Paris where it was last located.
		The Wheel is owned by World Tourist Attractions Ltd and the wheel was recently transported from Paris to Birmingham on 22 trucks.
		Passengers on the Wheel have to listen to the French commentary about the River Seine and the Eiffel Tower.
	www.birminghamuk.com /bigwheel.htm (224 words)

	Math Trek: Riding on Square Wheels, Science News Online, April 3, 2004 (Site not responding. Last check: 2007-11-02)
		The Exploratorium in San Francisco exhibits a model of such a roadbed and a pair of square wheels joined by an axle to travel over it (see http://www.exploratorium.edu/xref/exhibits/square_wheel.html).
		The exhibit inspired him to investigate the relationship between the shapes of wheels and the roads over which they roll smoothly.
		A sawtooth road, for instance, requires a wheel pasted together from pieces of an equiangular spiral.
	www.sciencenews.org /articles/20040403/mathtrek.asp (690 words)

	ExNET: Exhibits: Group1: Square Wheels
		In Square Wheel, an ten-inch square wheel rolls smoothly across a very bumpy surface.
		The bumps are carefully designed, flat catenary curves which exactly match the sides of the wheel in length.
		The axle of the wheel does not move up and down.
	www.exploratorium.com /cmp/exnet/exhibits/group1/square/index.html (70 words)

	Ivars Peterson's MathTrek - Riding on Square Wheels (Site not responding. Last check: 2007-11-02)
		However, a square wheel can roll smoothly, keeping the axle moving in a straight line and at a constant velocity, if it travels over a road with the right sort of profile.
		The Exploratorium in San Francisco exhibits a model of such a roadbed and a pair of square wheels joined by an axle to travel over it (http://www.exploratorium.edu/xref/exhibits/square_wheel.html).
		Just as a square rides smoothly across a roadbed of linked inverted catenaries, other regular polygons, including equilateral triangles, pentagons, and hexagons, also ride smoothly over curves made up of appropriately selected pieces of inverted catenaries.
	www.maa.org /mathland/mathtrek_7_13_98.html (513 words)

	» Robots with square wheels? \| Emerging Technology Trends \| ZDNet.com
		About eighteen months ago, I told you about a tricycle with square wheels which needed a specially designed road.
		But now, Distributed Robotics, a company from Troy, N.Y., is developing robots with square wheels which don’t need specific roads.
		But now, a company is launching square wheel robots which propel themselves on flat surfaces by taking advantage of gravity.
	blogs.zdnet.com /emergingtech/?p=97 (800 words)

	Square Edge Wheel High Speed Steel Burrs and Cutters for Dremel Rotary Tools: Widget Supply
		Dremel / Burrs and Cutters / HSS - Wheel - Square
		We are selling these as seconds because they are not as high quality as our normal burrs.
		This cutter cuts on the end as well of the side of the wheel.
	www.widgetsupply.com /page/WS/CTGY/dremel-hss-wheel-4 (450 words)

	Traffic Jams Wheel Balancer
		An unbalanced wheel causes vibration when spinning because of a heavy spot in the wheel.
		But, whenever you notice excessive vibration you should bring your car into Tires Inc. Gradual worsening of wheel vibration can be difficult to notice, so as a general rule have your tires checked every 10,000 miles, or at least once a year.
		All too often, the technician improperly mounts the wheel on the vehicle off center and the balance is compromised.
	www.trafficjams.com /hunter/baL1_info.htm (1464 words)

	Square Wheel Cartoons
		You are looking at the "square wheel" cartoon page from the CartoonStock directory.
		Square Wheel cartoon 1 - catalog reference pwo0017
		Copyright in this image is owned by the original artist, rights to reproduce or use the image may be obtained from www.CartoonStock.com.
	www.cartoonstock.co.uk /directory/s/square_wheel.asp (118 words)

	Square Wheel Bike
		A Square Wheel, or The Ultimate Flat Tire.
		In 1997 mathematics professor Stan Wagon constructed a square wheel bike that rolls smoothly over a road made out of inverted catenaries.
		One theory is that they were used so that large blocks of marble with square cross-sections could be easily rolled.
	www.macalester.edu /mathcs/SquareWheelBike.html (304 words)

	Halfbakery: Folding Wheel (collapsable)
		After the "Square Wheel" on wikipedia, there is no reason why a bike wheel should not be collapsable.
		My idea of an inflatable inner part, is about a very small "bearing" type of part, perhaps a ball, which only stops the spikes from moving freely (which would cause the wheel to collapse) and locks the spikes in place.
		[skinflags] The folding wheel you show is not for bicycles, only as a ship's "steering wheel".
	www.halfbakery.com /idea/Folding_20Wheel_20(collapsable) (243 words)

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