Digital ball bank indicator manual

For decades, the ball bank indicator method is one of the most commonly used methods by engineers worldwide for determining driver discomfort that correlates to setting the advisory speed. Setup your phone on your dashboard like you would typically setup a ball bank device. Press Start and drive. No need for a second person to write down the results. The W1 ‘The Original’ Mechanical Ball Bank Indicator is a ± 20 degrees Inclinometer used by DOTs for Determining Safe Curve Speed Since the ’s. Our W1 mechanical inclinometer is a ± 20 degree unit with 1 degree increments. The housing is made of a rugged die-cast aluminum, making these clinometers extremely tough for all types of environments and . The ball bank indicator is a steel ball encased with liquid in a curved sealed glass tube and mounted in a metal frame. The tube is bent on the arc of a circle and graduated form zero to 25 degrees, both to the right and left of the zero point. When the vehicle is driven at a steady speed on a curve the vehicle body roll and centrifugal force.

LARGE BALL TYPE BANK INDICATOR W x L Bank indicators show lateral inclination relative to the horizon. In turning, instantly register slightest departure from the correct banking angle. Bank scale has white markings on a black bac. ball-bank indicator (BBI). The digital compass heading calculation should be based on global positioning system (GPS) technology with a position-accuracy of 10 feet or less 95 percent of the time and a position update interval of one (1) second or less. It must also have a precision of 1 degree (i.e., provide readings to the nearest whole degree). The Mini6 indicator is the newest addition to RCAllen’s groundbreaking line of digital instruments. It offers all the instrumentation of a traditional Six Pack in one clean, customizable and easy to read presentation. The fully certified, easy to install indicator comes equipped with an internal battery backup.

The ball-bank indicators are imprecise, relying on manual observation and being subject to disturbances from the road and vehicle. McLean () suggested that. The RDS7-BB Digital Ball Bank Indicator has been the DOT adopted standard electronic measuring device for determining safe curve speed since the 's. A-1 Geometry of Forces Acting on the Ball-Bank Indicator. use of one or more of the curve warning signs identified in the Manual on Uniform Traffic.