Roof Racks and Fuel Efficiency: Strategies for Reducing Wind Resistance
The Impact of Roof Racks on Fuel Efficiency
Roof racks create a barrier against the airflow above your vehicle, thus increasing air resistance. This resistance, also known as drag, in turn slows down the vehicle. This pushes the engine to work harder, thus consuming more fuel. In addition, roof racks also add extra weight to vehicles, causing them to consume more energy to maintain constant speed or to accelerate.
The impact of a roof rack on fuel efficiency can vary according to several factors:
- The type of vehicle
- The size and shape of the roof rack
- Weather and driving conditions
- The size and weight of the load on the rack
Strategies for Reducing Wind Resistance When Using Roof Racks
There are several things that you can do to reduce wind resistance and minimize the impact of your roof rack on fuel efficiency:
- Carefully select the right roof rack for your vehicle – Make sure to pick a roof rack that has a low profile and an aerodynamic design. These roof racks are usually designed to limit the amount of surface area exposed to the wind and tend to have streamlined builds that minimize wind resistance.
- Put your roof rack away when not in use – Since a roof rack can increase drag and lead to lower fuel efficiency, always make sure to remove it and put it away when you are not using it.
- Distribute the weight of the load evenly – When loading the roof rack, make sure to distribute the weight evenly across its surface. An uneven load distribution is likely to cause more wind resistance. It may also affect the stability of your vehicle on the road.
- Be mindful of the speed of your vehicle – Your vehicle catches more wind at higher speeds. Therefore, always be mindful of your speed, especially on highways, and avoid accelerating or braking abruptly as much as possible.
- Use a fairing – This small aerodynamic device can be easily mounted at the front of your roof rack to reduce wind resistance.
By putting the above strategies into practice, you will be able to drastically decrease the negative impact of your roof rack on the fuel efficiency of your vehicle and make the most of your trips.