A boat trailer is a trailer designed to launch, retrieve, carry and sometimes store boats.
The intention of a trailer coupler is to secure the trailer to the towing vehicle. It is an important piece, as the trailer couple attaches to the trailer ball. This then forms a ball and socket connection. It allows for relative movement between the towing vehicle and trailer while towing over uneven road surfaces. The trailer ball should be mounted to the rear bumper or to a drawbar, which may be removable. The drawbar secures to the trailer hitch by inserting it into the hitch receiver and pinning it.
The three most common types of couplers used are straight couplers, A-frame couplers, and adjustable couplers. Another option is bumper-pull hitches in which case draw bars can exert a large amount of leverage on the tow vehicle. This makes it harder to recover from a swerving situation (thus it may not be the safest choice depending on your trip).
A trailer is not very difficult to categorize. In general, it is an unpowered vehicle towed by a powered vehicle. Trailers are most commonly used for the transport of goods and materials. Although some do enjoy recreational usage of trailers as well.
Trucks of the era mostly used two-cylinder engines and had a carrying capacity of 1,500 to 2,000 kilograms (3,300 to 4,400 lb). In 1904, 700 heavy trucks were built in the United States, 1000 in 1907, 6000 in 1910, and 25000 in 1914.
A Benz truck modified by Netphener company (1895)
During the latter part of the 20th century, we saw a decline of the trucking culture. Coinciding with this decline was a decline of the image of truck drivers, as they became negatively stigmatized. As a result of such negativity, it makes sense that truck drivers were frequently portrayed as the "bad guy(s)" in movies.
The year 1611 marked an important time for trucks, as that is when the word originated. The usage of "truck" referred to the small strong wheels on ships' cannon carriages. Further extending its usage in 1771, it came to refer to carts for carrying heavy loads. In 1916 it became shortened, calling it a "motor truck". While since the 1930's its expanded application goes as far as to say "motor-powered load carrier".
Trailer stability can be defined as the tendency of a trailer to dissipate side-to-side motion. The initial motion may be caused by aerodynamic forces, such as from a cross wind or a passing vehicle. One common criterion for stability is the center of mass location with respect to the wheels, which can usually be detected by tongue weight. If the center of mass of the trailer is behind its wheels, therefore having a negative tongue weight, the trailer will likely be unstable. Another parameter which is less commonly a factor is the trailer moment of inertia. Even if the center of mass is forward of the wheels, a trailer with a long load, and thus large moment of inertia, may be unstable.
A relatable reality t.v. show to the industry is the show Ice Road Truckers, which premiered season 3 on the History Channel in 2009. The show documents the lives of truck drivers working the scary Dalton Highway in Alaska. Following drivers as they compete to see which one of them can haul the most loads before the end of the season. It'll grab you with its mechanical problems that so many have experienced and as you watch them avoid the pitfalls of dangerous and icy roads!
In the United States, the Commercial Motor Vehicle Safety Act of 1986 established minimum requirements that must be met when a state issues a commercial driver's license CDL. It specifies the following types of license:
- Class A CDL drivers. Drive vehicles weighing 26,001 pounds or greater, or any combination of vehicles weighing 26,001 pounds or greater when towing a trailer weighing more than 10,000 pounds. Transports quantities of hazardous materials that require warning placards under Department of Public Safety regulations.
- Class A Driver License permits. Is a step in preparation for Class A drivers to become a Commercial Driver.
- Class B CDL driver. Class B is designed to transport 16 or more passengers (including driver) or more than 8 passengers (including the driver) for compensation.
This includes, but is not limited to, tow trucks, tractor trailers, and buses.
Public transportation is vital to a large part of society and is in dire need of work and attention. In 2010, the DOT awarded $742.5 million in funds from the American Recovery and Reinvestment Act to 11 transit projects. The awardees specifically focused light rail projects. One includes both a commuter rail extension and a subway project in New York City. The public transportation New York City has to offer is in need of some TLC. Another is working on a rapid bus transit system in Springfield, Oregon. The funds also subsidize a heavy rail project in northern Virginia. This finally completes the Washington Metropolitan Area Transit Authority's Metro Silver Line, connecting to Washington, D.C., and the Washington Dulles International Airport. This is important because the DOT has previously agreed to subsidize the Silver Line construction to Reston, Virginia.
The Federal Motor Carrier Safety Administration (FMCSA) is an agency within the United States Department of Transportation. The purpose of the FMCSA is to regulate safety within the trucking and moving industry in the United States. The FMCSA enforces safety precautions that reduce crashes, injuries, and fatalities involving large trucks and buses.
The FMCSA is a well-known division of the United States Department of Transportation (USDOT). It is generally responsible for the enforcement of FMCSA regulations. The driver of a CMV must keep a record of working hours via a log book. This record must reflect the total number of hours spent driving and resting, as well as the time at which the change of duty status occurred. In place of a log book, a motor carrier may choose to keep track of their hours using an electronic on-board recorder (EOBR). This automatically records the amount of time spent driving the vehicle.
Released in 1998, the film Black Dog featured Patrick Swayze as a truck driver who made it out of prison. However, his life of crime continued, as he was manipulated into the transportation of illegal guns. Writer Scott Doviak has described the movie as a "high-octane riff on White Line Fever" as well as "a throwback to the trucker movies of the 70s".
The most basic purpose of a trailer jack is to lift the trailer to a height that allows the trailer to hitch or unhitch to and from the towing vehicle. Trailer jacks may also be used for the leveling of the trailer during storage. To list a few common types of trailer jacks are A-frame jacks, swivel jacks, and drop-leg jacks. Other trailers, such as horse trailers, have a built-in jack at the tongue for this purpose.
Ultra light trucks are very easy to spot or acknowledge if you are paying attention. They are often produced variously such as golf cars, for instance, it has internal combustion or a battery electric drive. They usually for off-highway use on estates, golf courses, parks, in stores, or even someone in an electric wheelchair. While clearly not suitable for highway usage, some variations may be licensed as slow speed vehicles. The catch is that they may on operate on streets, usually a body variation of a neighborhood electric vehicle. A few manufacturers produce specialized chassis for this type of vehicle. Meanwhile, Zap Motors markets a version of the xebra electric tricycle. Which, believe it or not, is able to attain a general license in the United States as a motorcycle.
Heavy trucks. A cement mixer is an example of Class 8 heavy trucks. Heavy trucks are the largest on-road trucks, Class 8. These include vocational applications such as heavy dump trucks, concrete pump trucks, and refuse hauling, as well as ubiquitous long-haul 6×4 and 4x2 tractor units. Road damage and wear increase very rapidly with the axle weight. The axle weight is the truck weight divided by the number of axles, but the actual axle weight depends on the position of the load over the axles. The number of steering axles and the suspension type also influence the amount of the road wear. In many countries with good roads, a six-axle truck may have a maximum weight over 50 tons (49 long tons; 55 short tons).
Light trucks are classified this way because they are car-sized, yet in the U.S. they can be no more than 6,300 kg (13,900 lb). These are used by not only used by individuals but also businesses as well. In the UK they may not weigh more than 3,500 kg (7,700 lb) and are authorized to drive with a driving license for cars. Pickup trucks, popular in North America, are most seen in North America and some regions of Latin America, Asia, and Africa. Although Europe doesn't seem to follow this trend, where the size of the commercial vehicle is most often made as vans.
There many reasons for moving, each one with a unique and specific reason as to why. Relocation services, employee relocation, or workforce mobility can create a range of processes. This process of transferring employees, their families, and/or entire departments of a business to a new location can be difficult. Like some types of employee benefits, these matters are dealt with by human resources specialists within a corporation.
In today's society, there are rules and regulations everywhere you go, the same goes for commercial vehicles. The federal government has strict regulations that must be met, such as how many hours a driver may be on the clock. For example, 11 hours driving /14 hours on-duty followed by 10 hours off, with a max of 70 hours/8 days or 60 hours/7 days. They can also set rules deciding how much rest and sleep time is required, however, these are only a couple of regulations set. Any violations are often subject to harsh penalties. In some cases, there are instruments to track each driver's hours, which are becoming more necessary.
