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16-462: When the first three units were produced in 1917, the Model TT was sold as a chassis with the buyer supplying a body. The price was $ 600. Starting in 1924, the truck was available with a factory-produced body. By 1926 the price had dropped to $ 325. In 1925, a hand-operated windshield wiper was added. In his World Encyclopedia of Military Vehicles , author Pat Ware writes that: "During World War I,

32-422: A cab chassis or half truck , is a type of vehicle construction, often found in medium duty truck commercial vehicles . Instead of supplying the customer with a factory pre-assembled flatbed , cargo container, or other equipment, the customer is given the vehicle with just chassis rails and a cab . This allows the customer to add any desired aftermarket equipment, such as fire apparatus , ambulance , or

48-552: A recreational vehicle conversion package, which can be customized for the specific needs of the customer. Cutaway van chassis are similar vehicles, but have specific components at the rear whereas chassis cabs usually do not have additional components. Vehicles of this type are produced by Ford , Chevrolet / GMC , and Ram Trucks . A number of 1950s cars were supplied as chassis cabs for coachbuilders to convert into hearses, ambulances, shooting brakes. Austin Motors produced

64-449: A government agency like National Highway Traffic Safety Administration (NHTSA) in the U.S. defines the design standards of chassis and body conversions. An armoured fighting vehicle 's hull serves as the chassis and comprises the bottom part of the AFV that includes the tracks , engine, driver's seat, and crew compartment. This describes the lower hull, although common usage might include

80-695: A more extensive pillar bedding, providing a metal-on-metal bearing surface that has reduced shifting potential under the stress of recoil . A barreled action bedded into a metal chassis would theoretically operate more consistently during repeated firing, resulting in better precision . With the increasing availability of CNC machining , chassis have become more affordable and sophisticated as well as gained increasing popularity as these types of chassis can be expanded to accommodate customizable "furniture" ( buttstock , pistol grip , etc.) and rail interface systems that provide mounting points for various accessories. Chassis cab A chassis cab , also called

96-411: Is the load -bearing framework of a manufactured object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame , the underpart of a motor vehicle , on which the body is mounted; if the running gear such as wheels and transmission, and sometimes even the driver's seat, are included, then the assembly is described as a rolling chassis . In

112-682: Is usually not necessary for the integrity of the structure, is built on the chassis to complete the vehicle. For commercial vehicles , a rolling chassis consists of an assembly of all the essential parts of a truck without the body to be ready for operation on the road. A car chassis will be different from one for commercial vehicles because of the heavier loads and constant work use. Commercial vehicle manufacturers sell "chassis only", "cowl and chassis", as well as " chassis cab " versions that can be outfitted with specialized bodies. These include motor homes , fire engines , ambulances , box trucks , etc. In particular applications, such as school buses ,

128-446: The circuit boards and other electronics are mounted. In some designs, such as older ENIAC sets, the chassis is mounted inside a heavy, rigid cabinet, while in other designs such as modern computer cases , lightweight covers or panels are attached to the chassis. The combination of chassis and outer covering is sometimes called an enclosure . In firearms, the chassis is a bedding frame on long guns such as rifles to replace

144-548: The Model T's crown wheel and pinion . The worm is located at the end of the drive shaft and above the crown wheel. The wheelbase of the Model TT is 125 inches (3,175 mm), compared to 100 inches (2,540 mm) for the Model T. It was often equipped with an accessory gearbox , such as the Ruckstell or Jumbo gearboxes, which allow the truck to have intermediate gears between low and high, useful for hill climbing. The Model TT

160-480: The Model TT more power. It was replaced by the Ford Model AA truck in 1928. Gunnell, John A. (2003). Standard Catalog of American Light-Duty Trucks . Iola, Wisconsin: Krause Publications. ISBN   0-87341-238-9 . Chassis A chassis ( US : / ˈ tʃ æ s i / , UK : / ˈ ʃ æ s i / ; plural chassis /- i z / from French châssis [ʃɑsi] )

176-583: The Model ;T was ... standardized in the "light" class. The first truck, using a long-wheelbase chassis designated Model TT, was launched in 1917. Although Ford ... was a pacifist, he was ... happy to supply the US Army with more than 12,000 of these vehicles,..." and: "There was no civilian production of the Model Ts between 1917 and 1918." Further on, Ware writes: "The Model T was widely used by

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192-496: The US and British armies during World War I as a staff car, ambulance, van and cargo truck, even as an artillery tractor, for which application the truck was fitted with twinned rear tyres." Many remained in service into the 1930s. Below are the numbers of Model T trucks produced each year, not including Canadian production. The rear axle of the TT has a worm drive and crown wheel , unlike

208-436: The case of vehicles, the term rolling chassis means the frame plus the "running gear " like engine , transmission , drive shaft , differential , and suspension . The "rolling chassis" description originated from assembly production when an integrated chassis "rolled on its own tires" just before truck bodies were bolted to the frames near the end of the line. An underbody (sometimes referred to as " coachwork "), which

224-460: The traditionally wooden stock , for the purpose of better accurizing the gun. The chassis is usually made from hard metallic material such as aluminium alloy (and less frequently stainless steel , titanium alloy or recently magnesium alloy ) due to metals having superior stiffness and compressive strength compared with wood or synthetic polymer , which are commonly used in conventional rifle stocks. The chassis essentially functions as

240-451: The upper hull to mean the AFV without the turret . The hull serves as a basis for platforms on tanks , armoured personnel carriers , combat engineering vehicles , etc. In the intermodal trucking industry, a chassis is a type of semi-trailer onto which a cargo container can be mounted for road transport. In an electronic device (such as a computer ), the chassis consists of a frame or other internal supporting structure on which

256-401: Was very durable for the time, but slow when compared to other trucks. With standard gearing, a speed of not more than 15 mph (24 km/h) was recommended, and with special gearing, a speed of not more than 22 mph (35 km/h) was recommended. Standard worm gear ratio is 7.25:1, and special gearing gives a ratio of 5.17:1. Because of this, accessory catalogs offered items to help give

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