Speed Limit With Roof Box

If towing a caravan you re already limited therefore no problem but solo it might be.

Speed limit with roof box.

Adapt your speed to the conditions of the road and the load being carried. Some roof rack accessories such as roof boxes come with a maximum speed warning which shouldn t be exceeded. A lot of roof rack accessories such as roof boxes come with maximum speed ratings. With reference to the amount of petrol used the consumption will go up whatever speed you go at with a roofbox on so going slower is not going to improve consumption it s all relative the ideal speed for consumption is around 55 60 but that does not mean you have to increase your speed to this to get ideal consumption if in a 30 or 40 limit as it does not mean you should reduce from 70 to this to significantly increase performance.

As long as your rack is properly attached to the roof and you re not exceeding the weight limits how can there be. The speed rating more than like has to do with drag and lift factors as mentioned above. You re driving well within the speed limit and keeping a two second gap between your vehicle and the car in front. The only statement that thule has on the speed you should travel while carrying a cargo box on the roof like th615 is the following.

Wind noise and fuel economy. Some roof boxes are rated for a maximum of 60 mph so check this out before you buy. Max speed when driving with a roof box. My usual trip to south of france is 36 38 mpg with roof box 32 34.

Bars that have an aerofoil shape are the quietest. For safety to your vehicle and rack system obey all posted speed limits and traffic cautions. As far as you can see the driver in front is also doing everything they should to stay safe on the roads. With a well designed roof box and roof bars wind noise shouldn t be much of a problem.

Do not exceed their carrying capacity. Aerodynamic drag increases with speed and exceeding the speed rating could effectively exert too much force onto the accessory or the roof rack. Be sure to read their instructions carefully too. For safety to your vehicle and rack system obey all posted speed limits and traffic cautions.

Adapt your speed to the conditions of the road and the load being carried. There shouldn t be any maximum speed. Their car has a roof rack and it seems to you that the items attached to it are wobbling as. Exceeding the speed rating could damage your car or the roof rack.

There s just one difference.