Square Course Plotter

Used by the United States Power Squadrons for years, this plotter is a similar design to our square protractor, only it is slightly larger and incorporates a compass rose in the center to make calculating courses, bearings, and variation much easier. Comes in aconvenient storage sleeve imprinted with easy to follow instructions. Dims: 7-3/4" x 9-7/16". Wt. 1.7 oz. 555Square Course Plotter

Compute-A-Course™

The Weems & Plath
® Compute-A-Course™ is a compact, multi-purpose plotting tool.Ideal for general boating or commercial use. The Compute-A-Course™ can be used for position fixing, course plotting, and distance measurements with the included scales.Using the marine log scale on the instructions, time/distance calculations are a snap. Instructionsincluded. Dims: 7-3/16" w x 8-1/2" h. Wt. 4 oz.

Square Protractor (Not Shown)

This plain edge protractor is suitable for plotting courses and bearings. Notations can bemade directly on the matte plastic surface with a pencil. Constructed of durable,transparent plastic. Instructions included. Dims: 5" square. Wt. 2 oz. 28025" Square Protractor 111Weems & Plath
® ? Compute-A-Course™

Tactician’s Calculator Vectormaster

The Tactician’s Calculator is a hand-held tool for the racing sailor. This easy-to-use toolprovides you with a visual depiction of what is happening on the racecourse. TheTactician’s Calculator can help you determine: how square a starting line or racecourse is, what your heading will be on the opposite tack or gybe, how close you are to layline,and what point of sail you will be on for the next leg of the race. On the reverse side ofthe tool, there is a key to the most commonly used racing code flags that gives you a picture of the flag and an explanation of its meaning. There is also a speed/time/distancetable, and an area to record both wind and racecourse information. The Tactician’sCalculator comes with a #2 pencil and has holes punched in all four corners for easy tethering. Dims: 6"x 8 1/4". Wt. 3 oz. An advanced navigation tool, the circular slide rule provides for the solution of time,speed and distance, fuel consumption, conversions, multiplication, and division. On thereverse, the face of the Vectormaster permits rapid solution of problems involving vectors, such as those encountered in current sailing, the determination of true winddirection and force, and the apparent wind to be expected on other headings. Given theposition of a storm, and the direction and speed of its advance, you may quickly determine the course which will put maximum distance between your vessel and theoncoming storm. Instruction booklet included. Dims: 7" square. Wt. 4 oz. 501VVectormaster 112Tactician’s Calculator SIDE 1(front)SIDE 2(back)

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