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Topic: Tracked vehicles

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	BBC - h2g2 - Tracked Vehicles
		The first tracked vehicle was probably invented in the Middle Ages - though the issue of mechanical stress kept the vehicles from being useful until the 18th Century.
		Tracked vehicles are mechanical, just as any other wheel-supported vehicle is, the main difference being that they keep the road to themselves.
		The tracks are closed loops covering all or most of the wheels - which ride on the inside of the track, where the outside uses a relatively large surface to touch the ground.
	www.bbc.co.uk /dna/h2g2/A4113866 (997 words)

	Crawler chain for tracked vehicles - Patent 5829850
		The track system for a tracked vehicle as defined in claim 1 wherein the inner links engage the bushing with a press fit maintaining an elastic deformation pressure against the bushing, the bushing having a lower coefficient of expansion than the inner links, the inner links being composed of steel.
		The track system for a tracked vehicle as defined in claim 1 wherein the bolt is composed of the material consisting of silicon nitride material with less than 15% of sintering additives or zirconium oxide.
		The track system for a tracked vehicle as defined in claim 1 wherein the bushing has a surface engaged by the wheel with a radius of 3 mm and surfaces engaged by the inner links of with radii of 8 mm.
	www.freepatentsonline.com /5829850.html (4949 words)

	Caterpillar track - Wikipedia, the free encyclopedia
		Tracks are moved by a toothed drive wheel, or drive sprocket, driven by the motor and engaging with holes in the track links or with pegs on them to drive the track.
		Tracks are much less likely to get stuck in soft ground, mud, or snow, since they distribute the weight of the vehicle over a larger contact area, decreasing its ground pressure.
		It is common to see tracked vehicles such as bulldozers or tanks transported long distances by a wheeled carrier such as a semitrailer or train, though technological advances have made this practice less common among tracked military vehicles than it once was.
	en.wikipedia.org /wiki/Caterpillar_track (1636 words)

	BBC - h2g2 - Keep Track about Tracked Vehicles.
		Tracked vehicles are usually more robust then wheeled vehicles of the same size.
		The smallest tracked vehicles are probably the moles, used to inspect drainage pipes or damaged buildings.
		Tracked vehicles are also capable of less sharp turns by controlling the speed of each track.
	www.bbc.co.uk /dna/h2g2/A3776600 (1000 words)

	Notes on Tracked Vehilcle Steering
		In order to steer a tracked vehicle, it is necessary to drive one track faster than the other, causing the vehicle to turn toward the slower track.
		Track speed is a function of power and ground drag — while it is possible to coordinate two engines such that they produce the same amount of power, it is highly unlikely that each track will experience the same amount of drag, and as a result the tracks will turn at slightly different speeds.
		At 2:½, the inner track will describe a turn radii of one-quarter the radii of the outer track; or, the radii of the turn (measured at the inner track) will be a third of the width of the vehicle.
	www.gizmology.net /tracked.htm (2049 words)

	All Track Service Ltd. - About The Company
		The service and repair of these vehicles was neglected and not treated as a priority, opening a door for a new company.
		The AT-150 was the first vehicle to be built with a wide frame which was to match standard truck frames.
		All-Track vehicles are proudly in use today in regions ranging from the Canadian Arctic to South America and the Antarctic
	www.trackedvehicles.com /about.htm (419 words)

	BAS Vehicles (Site not responding. Last check: 2007-10-08)
		At Halley the vehicles are tracked, whilst at Rothera there is a mix of wheeled and tracked vehicles.
		All the larger vehicles are powered by diesel engines which require special pre-heating before they are started, and they also use alternative fuels.
		All the vehicles are fitted with fully automatic or semi automatic transmissions to ensure they are simple to operate and be less prone to damage.
	www.antarctica.ac.uk /Living_and_Working/Transport/Vehicles/index.html (497 words)

	Wheels or Tracks? On the 'Lightness' of Military Expeditions by Lutz Unterseher
		In the case of tracked vehicles this correlation is not as evident.
		In the past, wheeled armored vehicles - especially those with a multi-wheel, rigid beam-axle running gear - tended to be considerably less compact and, in particular, significantly higher than tracked vehicles of similar weight and purpose.
		Whereas in respect to signature wheeled and tracked vehicles will be almost on a par, there is another aspect in which the former will always be superior to the latter: Due to much reduced friction and rolling resistance the acoustic signature of wheeled vehicles is much smaller.
	www.comw.org /pda/0007wheels.html (5466 words)

	Casella Construction, Inc. v. Department of Taxes
		The Department argues that the trial court erroneously gave Casella the benefit of a tax exemption to which it was not entitled, despite the plain language of the applicable statutes, and it therefore erred in vacating the presumptively valid determination of the Vermont Commissioner of Taxes.
		Consequently, the bulldozers were no longer subject to the motor vehicle purchase and use tax but instead subject to the sales and use tax, which was capped at $900 for tracked vehicles.
		The tax commissioner concluded that to be entitled to the motor vehicle exemption, Casella needed to demonstrate that it had registered the bulldozers and actually paid the motor vehicle purchase and use tax.
	www.vermontjudiciary.org /upeo/eo03269.htm (1240 words)

	! Military Tracked Vehicles - Military tracked vehicles from Sno-Cat®. !
		Using conventional automotive type controls, allows drivers, who may be inexperienced with military tracked vehicles, to operate our military tracked vehicles with a minimum instruction in case of an emergency.
		Tracks capable of tilting up or down to provide an inclined ramp for climbing over obstacles or spanning uneven terrain military tracked vehicles encounter.
		Track suspension system increases military tracked vehicles traction due to the capability of separately powered track to maintain terrain contact over its full length.
	www.military-tracked-vehicles.com (260 words)

	The British tracked vehicle market
		Both units are mounted on rubber-band type tracks and both are armoured to protect occupants from shell splinters and small-arms fire at point-blank range.
		The Chieftain armoured repair and recovery vehicle (ARRV), the armoured vehicle-launched bridge (AVLB) and armoured vehicle Royal Engineers (AVRE) are based on the Chieftain Mk 5 and some are conversions of the MBT.
		These main tracked vehicles are not due for replacement by the Army for some years to come although some will be retired as defence cuts take their toll, but they represent what the British Army has to go to war with at the present time.
	www.global-defence.com /2003/tanks_03.htm (1497 words)

	Advanced Technology for Wheeled and Tracked Vehicles
		A brief survey of hybrid electric and vehicle reliability systems—both commercially available and under development—and their applications in Army wheeled and tracked vehicles can show us what the future may hold.
		As part of the hybrid electric vehicle program, research and development are underway to better understand flywheel failure indicators and to develop new materials that will reduce flywheel internal weight by nearly 30 percent and thus permit higher speed operation.
		Taking into consideration the benefits in both vehicle system performance and projected operating and support savings, it is prudent and necessary for the welfare of the services to develop, acquire, and modernize future wheeled and tracked vehicle systems using these technologies.
	www.almc.army.mil /alog/issues/MarApr00/MS497.htm (3158 words)

	Tracked Resupply Vehicles
		A tracked vehicle to move bulk liquids is also needed for fuel and water.
		Tracked vehicle resupply can boost the combat power of armored units by providing them supplies and support to keep them in action.
		Some things to consider on the tracked supply vehicle - this is my area of expertise so I've done a LOT of thinking on this area.
	www.g2mil.com /tracked-resupply.htm (1332 words)

	US Tracked Engineer Vehicles
		The bridge is removed from the vehicle, the bridge deployment machinery retracted, and the line charge machinery of a standard M-58A3 MICLIC (Mine-Clearing Line Charge) trailer mounted on top of the hull at the rear.
		The M-88A1 is described as a vehicle with something for every mechanic, from the wide selection of tools to a crane, and a very good heater, room for a recovered tank’s crew, and even racks for things like an M-60 machinegun and antitank rockets.
		More commonly known as a VTR (Vehicle, Tracked, Recovery) to troops, the M-578 is a US-built recovery vehicle with a chassis as the M-107 and M-110 howitzers.
	www.pmulcahy.com /tracked_engineer_vehicles/us_tev.htm (1674 words)

	NTI: Country Overviews: India: Missile Facilities
		The TDE, Vehicles was once again renamed as the Technical Development Establishment (Vehicles and Engineering Stores) in August 1960 and in February 1962, it was further bifurcated into an engineering and vehicles division.
		VRDE was made responsible for all wheeled vehicles while its sister establishment, the Combat Vehicles RandD Establishment, assigned responsibility for all tracked vehicles.
		Safety vehicle to provide "soft, clean, and neutral water" for neutralizing the effects of red fuming nitric acid in the event of an accidental spillage on the missile operator or equipment and to extinguish small fires during Prithvi missile launches.
	www.nti.org /e_research/profiles/India/Missile/1769_1953.html (458 words)

	Thrust Area #3: Real-Time Simulation of Tracked Vehicle Dynamics
		This technique uses a modal representation for track dynamics, and allows one to model tracked vehicles with far fewer degrees of freedom than techniques based purely on rigid, multi-body dynamics.
		The overall objective of this project is to develop new simulation capabilities for tracked vehicles in support of three project goals.
		Specifically, we are now using tracked vehicle codes to assess the mobility of an example vehicle known as URBIE to demonstrate the capability of codes in modeling such vehicles and also carrying out a fundamental study on the effects that limit the mobility of robotic vehicles.
	arc.engin.umich.edu /old/arc/research/thrust3/T3RealTimeSimulation.htm (467 words)

	Nonlinear Dynamics of Tracked Vehicles - Storming Media
		In the methods developed in this research project, the kinematic degrees of freedom of the track chains are taken into consideration when the dynamic equations of the vehicle are formulated.
		It is demonstrated that significant reduction in the number of degrees of freedom of the track chains can lead to an inaccurate modeling of the vehicle dynamics and also to numerical difficulties in the computer simulation of this type of vehicles.
		Therefore, in this research project detailed three dimensional tracked vehicle models that take into account the effect of the chain degrees of freedom are developed.
	www.stormingmedia.us /99/9924/A992443.html (115 words)

	Army Technology - SEP Modular Armoured Tactical System Wheeled and Tracked Vehicles
		In the SEP tracked vehicle the suspension is mounted on the underframe and not on the side frames, so the suspension is separated from the hull.
		The modular design allows the vehicle to be configured for 24 different roles including: armoured personnel carrier, troop transport, command post, ambulance, anti-tank missile system, anti-aircraft missile system, mortar vehicle, forward observation, NBC (Nuclear, Biological and Chemical) decontamination centre, and mine clearing and scattering.
		The vehicles are capable of operation in a many different types of terrain and in a wide range of climatic conditions.
	www.army-technology.com /projects/sep (1401 words)

	Corrupt SSI report basis for Army transformation? (Site not responding. Last check: 2007-10-08)
		In addition to foot-mobile infantry, and in addition to the "heavy fully tracked vehicles" (M1 Tanks, and presumably M2 and M3 Bradley Fighting Vehicles); the Army already has a fleet of M113-series tracked, light armored vehicles fully capable of C-130 airlift.
		The absurdity in the statement is that all the Army's current tracked, light armored vehicles are amphibious, and have been since at least the M59 APC of the '50s; as is the entire M113 fleet.
		What is relevant here is that both a wheeled and a tracked vehicle were designed to the same specification by competing contractors, then built and exhaustively tested by the Army.
	www.combatreform.com /tracksbetterthanwheels.htm (2652 words)

	Association of the United States Army: Tracked Vehicles (Site not responding. Last check: 2007-10-08)
		With the advent of the M2A2 ODS engineer vehicle, the combat engineers now have the capability to maneuver with the infantry and armor combat systems and provide direct fire support to dismounted engineer soldiers from their own platform.
		The M113 Family of Vehicles (FOV) provides a highly mobile, survivable and reliable tracked-vehicle platform that is able to keep pace with Abrams- and Bradley-equipped units and that is adaptable to a wide range of current and future battlefield tasks through the integration of specialized mission modules.
		The OSTS-MBT is a tracked surrogate vehicle designed to operationally and visually simulate threat tanks during force-on-force training at the U.S. Army Combat Maneuver Training Centers at Ft. Polk, La., Ft. Irwin, Calif., and Hohenfels, Germany.
	www.ausa.org /webpub/DeptGreenBook.nsf/byid/CTON-6CGLZZ (2923 words)

	THE LEGEND OF THE M113 GAVIN CONTINUES IN COMBAT: THE GREATEST ARMORED FIGHTING VEHICLE OF ALL TIME, EVER (Site not responding. Last check: 2007-10-08)
		A program to produce ground and air vehicles with the necessary battlefield mobility led to the development of armored personnel carriers, such as the M113 with aluminum armor, that could move troops rapidly to the scene of operations while providing greater protection for the individual Soldier.
		In the active component, 71 tracked AFV battalions and squadrons are to be reduced to 37 "combined arms" battalions and 3 armored cavalry squadrons in vulnerable Humvee trucks.
		Tracked AFV battalions decline from 67% to 29%.
	www.combatreform.com /m113combat.htm (10093 words)

	Army Technology - Warrior - Tracked Armoured Vehicles
		The Warrior family of tracked armoured vehicles, developed by Alvis Vickers Ltd (now BAE Systems Land Systems), has been proved in action with the British Army in operations in the Middle East during Desert Storm and Operation Iraqi Freedom and on United Nations duties in Bosnia.
		The Warrior reconnaissance vehicle is normally operated by a crew of three, the driver, the commander and the gunner.
		The vehicle has the capacity to carry four TOW missiles in the vehicle and two in the launchers.
	www.army-technology.com /projects/warrior (1096 words)

	Israeli Tracked Engineer Vehicles
		In this role, the turret is replaced with a raised superstructure; to the right of this superstructure is a crane of the same type mounted on the AMX-30D ARV.
		At the front of the vehicle is a winch that has a capacity of 35 tons with 100 meters of cable; at the rear of the vehicle is an auxiliary winch with a capacity of 3.5 tons and 120 meters of cable.
		At the front of the vehicle is a large blade used to clear obstacles, while at the rear is a smaller one normally used to brace the Trail Blazer while it uses its winches or crane.
	www.pmulcahy.com /tracked_engineer_vehicles/israeli_tev.htm (295 words)

	MilParade.ru \| #30 \| Light military tracked vehicles
		KhTZ's light military tracked vehicles are in service with the armies of more than 30 countries and have a reputation as dependable and indispensable machines.
		hTZ's light military tracked vehicles are in service with the armies of more than 30 countries and have a reputation as dependable and indispensable machines.stablished in the First Five-Year Plan period, the Ordzhonikidze Kharkov Tractor Plant (KhTZ) has been widely known for its high-power wheeled and caterpillar tractors.
		The pilot vehicle from this generation of machines was the MT-L (MT-LB) light multipurpose tractor transporter (unarmored and armored versions) which implemented several contradicting requirements.
	milparade.udm.ru /30/026.htm (627 words)

	TRACKED VEHICLES Army - Find Articles
		The Bradley M2A3 Infantry/M3A3 Cavalry Fighting Vehicle (IFV/CFV) facilitates enhanced command and control capabilities, provides mobile protected transport of an infantry squad to critical points on the battlefield and performs cavalry scout and other essential (Bradleyequipped fire support and Stinger teams) missions in the 21st century.
		The M2/M3 vehicle armament includes the 25 mm M242 Bushmaster cannon, the TOW II missile system and a 7.62 mm M240C machine gun.
		The infantry version (M2) of the A3 Bradley fighting vehicle is used most often to close with the enemy by means of fire and maneuver.
	www.findarticles.com /p/articles/mi_qa3723/is_200510/ai_n15704594 (740 words)

	Warrior Tracked Armoured Vehicle - Wikipedia, the free encyclopedia
		The FV510 Warrior tracked vehicle family, are a series of British armoured vehicles originally developed to replace the older FV430 series of armoured vehicles.
		Warrior Section Vehicles are able to carry and support 7 fully equipped soldiers together with supplies and weapons including a number of anti tank weapons for a 48 hour battlefield day in nuclear/biological/chemical conditions.
		The Warrior Reconnaissance vehicle is normally operated by a crew of three, the driver, commander and the gunner and can carry a reconnaissance officer and additional surveillance equipment.
	en.wikipedia.org /wiki/Warrior_Tracked_Armoured_Vehicle (807 words)

	USMC screws up the amphibious infantry tank
		It is not as heavily armored as the Bradley fighting vehicles that the army uses.
		The marine vehicle that became the target for one of the worst military bombings in Iraq was built in a different time to fight a different kind of war.
		Because your not stupid and you realize a vehicle traveling at 15 to 18 mph riding low in the water is harder to spot then a vehicle screaming along at 25+ mph skimming the surface and causing a considerable wake.
	www.geocities.com /armorhistory/amphibiousinfantrytanks.htm (12348 words)

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