Introducing the ‘Portland’ Speed/Time/Distance slide chart – a must-have tool for navigators, mariners, aviators, and anyone who requires quick, accurate calculations in the field.
This cleverly designed slide chart is an essential piece of kit for anyone working with speed, time, and distance, enabling you to instantly calculate one value when you know the other two. Whether you’re plotting a voyage, planning a flight, or simply needing to make quick calculations, the Portland slide chart makes it simple and efficient.
Simple Yet Effective Design
The Portland Speed/Time/Distance slide chart is made from durable, high-quality plastic that’s built to withstand the demands of regular use, whether you’re in the cockpit, on the bridge of a ship, or working in an office. Its sturdy construction means that it’s resistant to bending, wear, and the elements, making it ideal for professional and amateur use alike.
Designed with ease of use in mind, the slide chart features a smooth sliding mechanism that allows for quick and accurate adjustments. The markings on the chart are clear and easy to read, ensuring that even in challenging conditions, such as low light or turbulent environments, you can confidently perform the necessary calculations. Its compact size also ensures that it’s portable and can be easily stowed in your navigation kit, flight bag, or pocket.
Speed, Time, and Distance at Your Fingertips
The key function of the Portland slide chart is to solve the classic navigational equation: speed = distance/time. By simply sliding the chart to input the two known values – either speed and time or speed and distance – you can immediately read off the third value. This eliminates the need for complex mental arithmetic or handheld calculators, saving you valuable time when making important decisions.
For example, if you know the distance you need to cover and the time it will take, the slide chart will instantly tell you the required speed. Alternatively, if you know your speed and the time you have been travelling, you can quickly determine the distance covered. It’s a highly efficient tool for navigation, route planning, and performance assessment, making it invaluable for professionals in a wide range of fields.
Versatile Applications
While traditionally used in maritime and aviation contexts, the Portland slide chart is useful in many other areas where speed, time, and distance calculations are needed. Drivers, cyclists, and even runners can benefit from its practical design, allowing them to calculate their performance with ease. For students studying navigation or physics, this tool also provides an intuitive way to understand these fundamental principles in a hands-on way.
Built for Practicality
In addition to its core functionality, the Portland slide chart has been designed for maximum convenience. Its plastic construction ensures it’s lightweight, easy to handle, and durable, while its compact form makes it ideal for on-the-go use. Whether you’re facing challenging weather conditions or working in a fast-paced environment, this slide chart is designed to be a reliable companion when accuracy is crucial.
A Tool for All Levels
Whether you’re a seasoned professional or a hobbyist just getting into navigation, the Portland Speed/Time/Distance slide chart is an accessible tool for users of all experience levels. Its intuitive sliding mechanism and clear markings make it simple to use, even if you’ve never handled one before. For those who demand accuracy and efficiency in their calculations, this chart is an indispensable asset.
