Identify features of the economic business cycle. 1  Business cycles are identified as having four distinct phases: expansion, peak, contraction, and trough.  Business cycle fluctuations occur around a long-term growth trend and are usually measured by considering the growth rate of real gross domestic product.
Abstract: Rate of turn indicator for a nautical vessel, aircraft and the like indicating the rate of turn or swing in units such as degrees per unit of time from a particular course of travel.. Field of the Invention. The present invention relates to a navigational aid or nautical instrument, and more particularly, pertains to a rate of turn indicator for indicating the rate of turn from a course of travel for a vessel or other like vehicle.
The SL Ratio is a simple formula for calculating displacement boats speed which is typically 1.34. 1  Velocity = (g * Length / 2 pi) ^ Â½. 2  g = acceleration of gravity (32.15 ft/sec ^2) 3  Convert ft./sec. to Knots and the result is 1.34 * L^ 4 Â½. Metric V(m/s) = 1.25* LWL^1/ 2.