WeemsPlath-501V
$81.99
Given the position of a storm and direction and speed of its advance, with the aid of your Vectormaster you may quickly determine a course which will put maximum distance between your vessel and an oncoming storm.
Circular slide rule solves time, speed, distance, fuel consumption, conversion, multiplication and division problems. Face of Vectormaster permits rapid solution of problems involving vectors, such as those encountered in current sailing, determination of true wind direction and force and apparent wind to be expected on other headings. Given position of a storm and direction and speed of its advance, you may quickly determine the course which will put maximum distance between your vessel and oncoming storm. Instruction booklet included.
$30.99
Every proper navigation kit should include a pair of navigation dividers to measure distance on a chart. The Ultralight Dividers are the perfect tools to fill out your kit. They are the best-selling navigation tool in our whole product line....
$30.99
The Professional Protractor Triangle with handle is larger than other navigation triangles on the market with legs that are 9.312 inches long and a hypotenuse (long side) of 13.125 inches long. Overview Larger and improved version of our popular 101...
$27.99
Weems and Plath Item 101 One of our best selling navigation instruments, the Protractor Triangle with Handle is inscribed with contrast enhancing colors making it easier to use. Utilizing two 45° triangles, the protractor triangle with handle provides a straightforward...
$33.99
No navigator should be without a good set of parallel rules as part of the navigation back up plan in the event of an electronic navigation failure. These parallel rules are accurate and durable. Choose from four arm lengths. Overview...
