Seamanship_Secrets_185_Tips_-_Techniques_for_Better_Navigation-_Cruise_Planning-_and_Boat_Handling_Under_Power_or_Sail_(Re)_e..
50 seamanship secrets “Your Call, Skipper” You’re the skipper or most knowledgeable crewmember in each of the following situatio ...
51 I saw this man in his leisure moments, examining and testing everything that a vessel needs when at sea. —Xenophon, Greek his ...
52 seamanship secrets Now you can figure the amount of time needed to get to any point. Just multiply the time to travel 1 mile ...
easy calculations and adjustments 53 the cost of inadvisably high RPMs, fuel consumption, and engine and hull stress. (Note: to ...
54 seamanship secrets HOW TO USE A GPS RECEIVER FOR YOUR SPEED RUN If you use the GPS speed function, you won’t need fixed landm ...
easy calculations and adjustments 55 To fi nd speed or time from distance traveled Set the distance wheel fi rst. Hold it fi rm ...
56 seamanship secrets me an ETA, why go through this calculation?” First, it’s always good to check the result of one navigation ...
easy calculations and adjustments 57 If your speed is 5.8 knots, how far do you travel in 12 minutes? By moving the decimal poin ...
58 seamanship secrets Card readability. Stand in front and to the side of the compass. Move the compass to diff erent heights to ...
easy calculations and adjustments 59 Find the adjustment screws. Now locate the compensator-magnet adjustment screws. You’ll no ...
60 seamanship secrets Reset the board to 270 degrees, re-align your book, and spin your board. Repeat the process as before. Whe ...
easy calculations and adjustments 61 FOCUS ADJUSTMENT CHOICES Binoculars come with center focus or individual focus eyepieces. C ...
62 seamanship secrets A sextant measures the angle between two objects. For instance, you could measure the vertical angle from ...
easy calculations and adjustments 63 A sextant has eight standard parts. Frame: The weblike structure that holds all other parts ...
64 seamanship secrets Hold the micrometer drum and spin it one way or the other to perfectly align three things at once: the ind ...
easy calculations and adjustments 65 HOW TO CHECK THE INDEX ERROR Index error is caused by minor alignment errors in the mirror. ...
66 seamanship secrets Example: You check the index error on your sextant and determine that it has 2 minutes of error on the arc ...
easy calculations and adjustments 67 Remove index error. Set the micrometer drum and index arm to zero. Look through the scope ...
68 seamanship secrets ADJUSTING FOR RAIN, SQUALL, WAVES, AND SWELL Water droplets, when massed together, provide an excellent re ...
easy calculations and adjustments 69 TARGET STRENGTH AND THE ART OF BECOMING “RADAR-VISIBLE” A radar signal requires a large amo ...
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