We’ve learned a lot about trailer tires the last several years. Let’s Take Some Space To Talk Tires And Wheels The battery is automatically charged by your tow vehicle. The Aerovault comes standard with its own battery to operate the winch and to be a backup to the trailer’s electric brakes should the trailer somehow become disconnected from your tow vehicle. It’s a comfortable height that only seems short because it isn’t as tall as a one story building filled with air to tow like most trailers! Just pull out those chairs and table you stowed in the side channels or sit on the front shelf and relax inside a car lover’s dream, surrounded by beautiful aluminum and a work of art over your head.Īnd notice the head room? An Aerovault isn’t as short as you might think. In addition to everything else, the Aerovault is a comfortable place to be if you want to escape the weather. The two front side doors give easy access to the front of your car while the rear is wide open through the tailgate. Once in, it’s a simple matter of using the four flush-mounted “D” rings in the floor to secure your car with ratchet tie-downs. Simply attach the hook to your car and walk it in, one hand on the steering wheel, the other on the wireless remote to control speed. In addition to significantly improving air flow from the front, they give a gusty crosswind another way to easily make its way over the top of the trailer from the side.īetter handling and that lack of turbulence is also what minimizes fuel consumption.Įach Aerovault comes equipped with a commercial grade, remote controlled winch with synthetic rope. Another factor is the angled sides of the roof. With the Aerovault’s low profile it naturally does well in cross flows. It’s the angled sides of the roof that really help reduce frontal area while greatly increasing stability in crosswinds. ![]() When air comes over the top of the tow vehicle it strikes the trailer in such a way that it flows smoothly over and around the top and upper sides. You might also notice that this reduced frontal area flows back along the top and sides of the trailer. Smooth air flow (boundary layer), as opposed to turbulent air flow, is what contributes to a vehicle’s efficiency. ![]() Here’s why… The front of the Aerovault is rounded and smooth so wherever the air comes in contact with it, it stays attached and follows the shape of the trailer. Keeping air attached to the surface as it flows over the entire form, is key to efficient aerodynamic design and to gain the rewards of reduced fuel consumption and good handling.Ī rounded roof, from all sides, makes for a great handling trailer. Designing the whole trailer as low and smoothly shaped as possible, so the air can flow over the forward end and around the sides is critical. Even if it’s lower than your tow vehicle’s cab, the air is still hitting the top forward edge of the trailer. If a trailer’s nose is higher than your tow vehicle it’s sticking up into the oncoming flow of air like a huge air brake. More important to reducing frontal area than a V-shape is the height and shape of the nose of a trailer. Unless you have a 10 foot tongue, the air won’t fill in around your tow vehicle efficiently enough to even hit the center of a V-nose trailer. It is only when the air finally clears the tow vehicle and starts to fill in the void just behind it, that it hits the trailer. The air that hits the trailer has to go around the towing vehicle first. It’s actually deflected towards the sides… the reason being that the trailer is always being towed behind something. ![]() If you’ve ever towed a trailer in the rain you may have noticed the rain doesn’t hit the front of a trailer straight on. It’s an uneducated guess, or at best an attempt in reducing the CD (co-efficient of drag), but, believe me… sharp angles don’t help much. Those tricks don’t reduce frontal area however. Some trailer manufacturers make an attempt at reducing drag by simply angling the nose of their trailers into a V shape or incorporating a slope nose. One of the most important aspects of aerodynamic efficiency is frontal area.
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