| 摘要 |
A monitoring and displaying system for a marine vessel calculates a variable that is equivalent to distance moved by the marine vessel as a function of rotation of the engine crankshaft. The variable is calculated by measuring boat speed and engine speed. In a typical application, the resulting variable is displayed in terms of inches of boat movement for one revolution of the engine crankshaft. This information is provided on a display monitor so that the operator of a marine vessel can continually monitor the effect on this variable by various changes that might be made to the marine propulsion system, such as a change in trim angle.
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