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20 mph to stop with trailer brakes active, staying in 11.5 feet lane, trailer heavier than tow vehicle <= 45 ft <= 45 ft 20 mph to stop without trailer brakes, staying in 11.5 feet lane, trailer lighter than tow vehicle <= 80 ft <= 80 ft understeer test: increases from 0.1 g to 0.3 g n 300 ft circle pass pass sway test, 62 mph >= 1.0 damping ratio
ECE Regulation 90 (abbreviated "ECE R90") is an ECE Regulation specifying design, construction, and performance requirements and test protocols for replacement brake linings for roadgoing motor vehicles and trailers. [1]
A brake controller is usually an original equipment manufacturer or aftermarket-installed device or module. It is mounted to the tow vehicle's driver's-side dashboard area, and engages a trailer's electrical braking system either time delayed, or in proportion to the tow vehicle's brake engagement when slowing down or coming to a halt.
The length of the braking test track at the Aldenhoven Testing Center is 150 m, which contains an asphalt and a ceramic pavement lane. Both lanes are 4 m wide and may be wetted as preferred. The braking test lane is surrounded on both sides by a safety zone. A 200 m access acceleration lane is also part of the braking test track. [3]
AEB differs from forward collision warning: FCW alerts the driver with a warning but does not by itself brake the vehicle. [4] According to Euro NCAP, AEB has three characteristics: [5] Autonomous: the system acts independently of the driver to avoid or mitigate the accident. Emergency: the system will intervene only in a critical situation.
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Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.
There are different ways to minimize this problem, and it ranges from using a special pulse preventer to having a separate electric brake trailer connector with a brake circuit completely separated from the rest of the trailer wiring. Be aware that if you do a completely separate wiring the brake ground must be separated from the lighting ground.