What is the purpose of a trailer skirt?
What is the purpose of a trailer skirt?
Trailer fairings, frequently referred to as trailer skirts, are the most popular devices for addressing aerodynamic drag on trailers. They prevent wind from ducking in under the trailer and running into the trailer bogie.
Do trailers Need side skirts?
Under the rule, all 53-foot box-type trailers (dry or refrigerated) must be equipped with Environmental Protection Agency SmartWay-approved side skirts or tail fairings that improve fuel economy from 4% to 5%, in addition to low-rolling-resistance tires (either standard or wide-base singles).
How much fuel do trailer tails save?
Trailer tails alone have demonstrated a fuel savings of 1%–5%, and in concert with trailer skirts, 9% improvement has been demonstrated. TrailerTail is a registered trademark of STEMCO.
What are the side skirts on trailers?
Typical trailer skirts, or side skirts for trailers, are a well-known device for semi-trucks used to help reduce drag and therefore help with fuel savings and improved trailer stability.
Why do trucks have trailer tails?
The panels that hang off the back are often called rear tail fairings, trailer tails, or sometimes boat tails. Whatever you call them, their purpose is to reduce drag and save fuel.
Are 53 foot trailers allowed in California?
Exceptions – STAA Vehicles (1) The length of the semitrailer in exclusive combination with a truck tractor does not exceed 48 feet. The semitrailer is not more than 53 feet in length, with two or more rear axles and a maximum 40′ KPRA, or with a single axle and a maximum 38-foot KPRA.
Where can I get a skirt for my travel trailer?
Fender Skirts are most commonly found on travel trailers, and, like fenders, they come in a variety of sizes to fit your application. Check out our full line of Trailer Parts and Accessories. Or contact Hanna RV for more information about trailer products.
What are the benefits of a trailer skirt on a tractor?
Tractor-trailer side skirts help increase the truck’s performance by making the vehicle more aerodynamic. Adding a trailer skirt will help streamline the airflow as the truck moves forward, allowing for minimal wind resistance.
What are tratrailer fender skirts?
Trailer fender skirts are detachable to allow for changes to the rear tires as well as the installation of snow chains. While automakers have experimented with front wheel fender skirts, their success is limited by the fact that front wheels act as a pivot during steering and therefore they occasionally extend out from the side of the vehicle.
What is a tandem trailer skirt?
The tandem trailer skirts are aesthetically streamlined to reduce drag thus increasing the motor home’s fuel efficiency while adding to its good looks. When choosing tandem trailer skirts for your trailer, first determine its style by finding out the number of axle it is supposed to cover.
