How to find the reference point of slide ruler through practical operation
To find the reference point of the pilot's watch circular flight slide by practical operation, you can follow the following steps:
Man AccesoryFirst, make sure you have a basic understanding of the structure of a circular flight slide. This includes the movable ruler (rotatable part) and the fixed ruler (fixed part) and their scale correspondence. If possible, read the pilot's watch instructions. Instructions usually provide detailed information about the use of the slide rule, including the position of the reference point and how to rotate the adjustable rule.
Look carefully at the scale on the slide rule. Usually, the reference point will be a distinct mark or a specific number, such as "10" or "0". This reference point will serve as your starting point when rotating the ruler. Gently rotate the adjustable scale while observing its corresponding relationship with the scale of the fixed scale. During the rotation, you will notice that certain scales will line up with each other.
By rotating and observing, you will find a point that can be used as your reference point when a certain scale of the active and fixed ruler is aligned. This point is usually easy to recognize and remember, such as the number "10" or a specific mark on a dial.
Once you've found the benchmark, try some simple calculations to verify its accuracy. For example, you can use a slide rule to perform a multiplication or division calculation and check that the result is correct. If you already know the correct answer to a calculation, you can use the slider to calculate and compare it with the known result. This will help you determine if the reference point you have found is accurate.
Through practice, you will become more familiar with the use of the slide rule and the position of the reference point. Observe and remember the position of the reference point each time you use it. If you communicate with other pilots or aviation enthusiasts, you can share your experience and the reference points you have found. They may be able to provide useful feedback or suggestions.
When rotating the ruler, it is necessary to avoid excessive force or excessive rotation, so as not to damage the bezel or affect the accuracy of the slide ruler. Clean the surface of the pilot's watch and the slide rule section regularly to ensure smooth rotation of the slide rule. Different brands of pilot watches may vary in slide design, so you should follow the instructions provided by the brand when using them.
Through the above practical operation steps, you should be able to find the pilot watch circular flight slide point, and master the use of slide skills. Remember, practicing and sharing experiences many times is the key to improving proficiency and accuracy.

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