A side skirt system for reducing drag on a trailer or other ground vehicle includes plurality of wall panels each configured to be coupled to one side of the trailer to extend generally below a storage container of the trailer at least partially along a length of the trailer. The wall panels are hor
A side skirt system for reducing drag on a trailer or other ground vehicle includes plurality of wall panels each configured to be coupled to one side of the trailer to extend generally below a storage container of the trailer at least partially along a length of the trailer. The wall panels are horizontally spaced-apart from each other.
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1. A side skirt system for reducing drag on a trailer or other ground vehicle, comprising: a first portion including a forward-most wall panel configured to be coupled to one side of a floor assembly of the trailer to extend generally below a storage container of the trailer and at least partially a
1. A side skirt system for reducing drag on a trailer or other ground vehicle, comprising: a first portion including a forward-most wall panel configured to be coupled to one side of a floor assembly of the trailer to extend generally below a storage container of the trailer and at least partially along a length of the trailer, the entire length of the forward-most wall panel configured to be positioned forward of a landing gear leg of the trailer;a second portion including a plurality of wall panels configured to be coupled to the one side of the floor assembly of the trailer to extend generally below the storage container of the trailer at least partially along the length of the trailer, the entirety of each of the plurality of wall panels of the second portion configured to be positioned between the landing gear leg of the trailer and a rear wheel assembly of the trailer; anda third portion including a rearward-most wall panel configured to be coupled to the one side of the floor assembly of the trailer to extend generally below the storage container of the trailer and at least partially along the length of the trailer, the entire length of the rearward-most wall panel configured to be positioned rearward of the rear wheel assembly of the trailer,wherein the first, second, and third portions of the skirt system are horizontally-spaced-apart from each other, andwherein the entire length of each of the wall panels of the first and second portions are angled outwardly away from a longitudinal centerline of the trailer from a front edge to a rear edge thereof with respect to a sidewall of the trailer. 2. The side skirt system of claim 1, wherein none of the first, second, and third portions are configured to partially or entirely cover a wheel of the trailer. 3. The side skirt system of claim 1, wherein the forward edge of the second portion and the rearward edge of the first portion are each generally V-shaped to define a generally V-shaped gap between the first portion and the second portion. 4. The side skirt system of claim 3, wherein a front edge of the rearward-most wall panel is generally vertical and a rear edge of the rearward-most wall panel is V-shaped and oriented opposite that of the V-shaped forward and rearward edges of each of the forward-most wall panel and the plurality of wall panels of the second portion. 5. The side skirt system of claim 1, wherein the wall panels of each of the first portion and the second portion include an upper, middle, and lower horizontal rib each extending from the front edge to the rear edge thereof. 6. The side skirt system of claim 5, wherein the wall panel of the third portion includes an upper and a middle horizontal rib each extending from the front edge to the rear edge thereof, and wherein a lower portion of the wall panel of the third portion is planar. 7. The side skirt system of claim 5, wherein each of the wall panels of the first portion and the second portion include an upper planar portion positioned between the upper and middle horizontal ribs and a lower planar portion positioned between the middle and lower horizontal ribs. 8. The side skirt system of claim 1, wherein the rearward-most wall panel of the third portion is angled inwardly toward the longitudinal centerline of the trailer from the front edge to the rear edge thereof with respect to the sidewall of the trailer. 9. The side skirt system of claim 1, wherein the plurality of wall panels of the second portion are each horizontally spaced-apart from each other. 10. The side skirt system of claim 1, wherein (i) the wall panels of the first and second portions of the side skirt system each include a horizontally-extending top edge and a horizontally-extending bottom edge parallel to the top edge, and (ii) the rearward-most wall panel of the third portion includes a horizontally-extending top edge and an angled bottom edge, and wherein the angled bottom edge is angled upwardly from the front edge of the rearward-most wall panel to the rear edge of the rearward-most wall panel. 11. The side skirt system of claim 10, wherein the bottom edge of the rearward-most wall panel is configured to be generally parallel to an imaginary line extending between a bottom edge of a rear bumper of the trailer and a point where the rearward-most tire of the rear tire assembly of the trailer engages the ground. 12. The side skirt system of claim 1, wherein the forward-most wall panel defines a first length, any one of the plurality of wall panels of the second portion of the side skirt assembly defines a second length, and the rearward-most wall panel defines a third length, and wherein the first, second, and third lengths are different from one another. 13. The side skirt system of claim 1, wherein at least one of the wall panels is configured to be tiltably coupled to the floor assembly of the trailer in order to tilt laterally-inwardly and laterally-outwardly relative to the trailer. 14. A side skirt system for reducing drag on a trailer or other ground vehicle, comprising: a plurality of wall panels configured to be coupled to one side of a floor assembly of the trailer to extend generally below a storage container of the trailer at least partially along a length of the trailer,wherein the wall panels are horizontally spaced-apart from each other,wherein at least one of the wall panels is configured to be tiltably coupled to the floor assembly of the trailer in order to tilt laterally-inwardly and laterally-outwardly relative to the storage container,wherein at least one of the wall panels is configured to be rigidly coupled to the floor assembly of the trailer, andwherein the plurality of wall panels includes a forward-most wall panel configured to be coupled to the floor assembly of the trailer at a location that is entirely forward of a landing gear leg of the trailer. 15. The side skirt system of claim 14, wherein the plurality of wall panels further includes a plurality of middle wall panels configured to be coupled to the floor assembly of the trailer at a location that is entirely between the landing gear leg and a rear wheel assembly of the trailer, and a rearward-most wall panel configured to be coupled to the floor assembly of the trailer at a location that is entirely rearward of the rear wheel assembly of the trailer. 16. The side skirt system of claim 15, wherein the forward-most wall panel is configured to be rigidly coupled to the floor assembly, the rearward-most wall panel is configured to be rigidly coupled to the floor assembly, and the plurality of middle wall panels are each configured to be tiltably coupled to the floor assembly. 17. The side skirt system of claim 15, further comprising a spring-biased mounting bracket assembly coupled to each of the plurality of middle wall panels, and wherein each of the spring-biased mounting bracket assemblies (i) a channel mount coupled to one of the wall panels of the side skirt system, (ii) a bolt coupled to the channel mount and configured to be coupled to the floor assembly of the trailer, and (iii) a spring having a first end coupled to the bolt and a second end coupled to the channel mount, and wherein the channel mount is tiltable relative to the bolt. 18. A side skirt system for reducing drag on a trailer or other ground vehicle, comprising: a plurality of wall panels configured to be coupled to one side of a floor assembly of the trailer to extend generally below a storage container of the trailer at least partially along a length of the trailer,wherein the wall panels are horizontally spaced-apart from each other,wherein at least one of the wall panels is configured to be tiltably coupled to the floor assembly of the trailer in order to tilt laterally-inwardly and laterally-outwardly relative to the storage container when the trailer is traveling down the highway, andwherein at least one of the wall panels is configured to be rigidly coupled to the floor assembly of the trailer. 19. A side skirt system for reducing drag on a trailer or other ground vehicle, comprising: a plurality of wall panels configured to be coupled to one side of a floor assembly of the trailer to extend generally below a storage container of the trailer at least partially along a length of the trailer,wherein the wall panels are horizontally spaced-apart from each other, andwherein the plurality of wall panels includes a forward-most wall panel configured to be coupled to the floor assembly of the trailer at a location that is entirely forward of a landing gear leg of the trailer.
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