JPS6126814A - Compass and navigation method using said compass - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an easy-to-read compass, in particular a tactical compass for a fishing boat, and a method for navigating a sailing vessel fully equipped with this compass.

A tactical compass for the crew of a small sailing vessel (Tingi) during normal sailing? Is it really difficult to read? ! - have. The compass is generally mounted centrally within the dinghie, even though the crew is angled towards the side of the dinghy and outwards, or to balance the dinghie and prevent it from rolling. , because it may or may not be suspended by a trapeze. For these reasons, conventional compasses with both numbers and letters are extremely difficult to read, although not impossible.

The crew of a sailing dinghy must take the initiative by positioning themselves to hold the dinghy upright so that the centrally mounted compass is not easily accessible to view. Even if the compass is mounted on the gunwale, a crew member leaning outward may not be able to read the numbers or letters on the compass card.
do not have. These problems are a problem with the Laser-class dinghies, where one crew member has both hands occupied for full control of the sail lines and rudder, and is often required to position himself well away from the compass. This is particularly severe in solo sailing vessels such as yachts.

Additionally, full use of a conventional compass will eliminate some calculations in the sailing race. For example, determining the preferred end of the departure line, detecting wind changes and bearing relative to the mark? Arithmetic technique that all crews are intelligent when calculating?
All work is carried out.

The physical demands of sailing are such that the arithmetic skills required to perform these calculations are extremely difficult to apply. Again, these problems are particularly acute for solo sailors, for example on Laser class dinghy or yachts.

Although compasses 1 with signed apertures on the adjustable circumferential groove edge have been used, they are still difficult to memorize when the user memorizes the digits and the digits increase when the compass is oscillated. Or whether it decreases? identification, thus allowing the user to identify whether they are "lifting" or "non-king" on a particular cutout.

The present invention provides a complete compass that is easy to read in a sailing dinghy and also avoids the need for intellectual arithmetic to perform the necessary calculations during a sailing race.

The present invention comprises a movable compass card, the card being divided into quadrants, each quadrant being divided into a plurality of differently colored equal sectors containing a color order, and wherein said color order is divided into a plurality of equally colored sectors in each quadrant. Provide a recurring compass.

The preferred method of reading on a compass card is from above, but this does not exclude any arrangement whereby the compass card can be read on the edge or from below.

Preferably, the sectors are spaced at 10 degree intervals in a ring around the periphery of the compass card.

Preferably, the quadrants on the compass card are differently colored and placed separately from the colored sectors of the other circles proximate the center of the compass card.

Further, it is preferable that the plurality of colored azimuth baselines be easily readable and divided into sections on the compass.

By way of example only, the invention will be explained below on the basis of the drawings, in which: FIG.

FIG. 1 shows a compass 10.
At 0, the azimuth baseline 14 of the compass card 11uaa,
Non-magnetic housing 1 with numbers 15, 16, 17, 18 attached
In the 6th circle, there are approximately 9 layers around the center point 12. The compass 10 is attached to a sailing vessel by an azimuth baseline 14, the "keel line" being approximately parallel to the centerline of the sailing vessel. The outer ring 19 is divided into a plurality of colored sectors. The color order within the quadrants is repeated in each quadrant. The torus 22 is divided into four colored quadrants 23.

Between the ring 22 and the outer ring 19 a central ring 24 is shown with four cardinal points 2 and a plurality of equiangularly spaced bearings. The color order is designed to maximize contrast between adjacent colors. Here is an example fL
*Although any order accomplishes this purpose, any suitable order may be used.

The colors of quadrants 26 are also chosen to obtain maximum contrast between adjacent quadrants.

FIG. 2 illustrates how the present invention may be used to navigate an Olympic course.

The bow is directed toward Kaze 25 and the crew notes the color of sector 26 adjacent to azimuth baseline 14. In order to determine the departure line bias, the boat must be placed at departure line 27.
Sail along the VC. If the line of departure is perpendicular to the wind, the collar 26 is adjacent to the azimuth baseline 14 and 17 at 16″f! If the line of departure is not perpendicular to the wind direction, the preferred end is the collar 26. When 26 is behind the azimuth baseline 16 or 17, it is determined.

When the boat is sailing with the wind, the angle of the boat is approximately 90°.
Each cut supports approximately 45° from the average wind direction. Therefore, the standard spacing is 28VcL and color 2.
6 is adjacent to the azimuth baseline 15 on the starboard shear or the azimuth baseline 18 on the port shear.

Favorable wind changes on the shear v29 are indicated as the collar 26 moves aft of the azimuth baseline 15 on the starboard shear: azimuth baseline 18 on the port shear.

An unfavorable wind change on the cutout 29A is indicated when the collar 26 moves forward of the azimuth baseline 15 on the starboard cutter v or ahead of the azimuth baseline 18 on the port cutter. The choice of contrasting colors within the annulus 19 allows these wind changes to be easily detected.

For the starboard reach 30, the wind mark 32 runs from the starboard cut on the port side of the course as the boat rounds the windward mark 31 to produce the next quadrant collar 26 adjacent to the azimuth baseline 18. It is found by supporting them 90 degrees apart. The choice of a contrasting color for ring 22 allows an unambiguous combination of color 2 and the quadrants to be quickly made by crew VC.

Port side around the course! cjs port reach section 36
, starting mark 34 is found by jibing the boat at 90° as the boat goes all the way around wind mark 32 so as to produce the next quadrant collar 26 adjacent to azimuth baseline 15.

Finally, the collar 26 is positioned adjacent to the azimuth baseline 14 in order to reorient the course with respect to the traverse 35 relative to the starting mark 34Vc.

The color sequence is equally useful for cutting downwind for the lower section to determine the entire ``liftend'' and ``hit'' sections.
It's okay.

I will definitely use this method! A crew can sail the entire Olympic sailing course without doing any arithmetical work. Navigation should be a single color full reference in relation to the appropriate azimuth baselines for the various legs. −
It's easier to do it.

[Brief explanation of drawings]

Figure 1 is a schematic diagram showing a compass according to the present invention, and Figure 2 is a method of navigating the Olympic course using the present invention. FIG. In the figure, numeral 10 is a compass, 11 is a compass card, and 14
, 15, 16, 17, and 18 are orientation baselines, 21 is a color order, 23 is a quadrant, and 26 is a color sector. FIG, /

Claims (4)

[Claims] (1) consisting of a movable compass card, the card being divided into quadrants, each quadrant being divided into a plurality of differently colored equal sectors containing a color sequence, said color sequence being repeated in each quadrant; A compass that is characterized by being 2. A compass as claimed in claim 1, wherein said quadrants are differently colored and placed on said compass card separately from said colored sectors. (3) The compass according to claim 1, wherein the sectors are spaced at intervals of 10 degrees. (4) consisting of a movable compass card, the card being divided into quadrants, each quadrant being divided into a plurality of differently colored equal sectors containing a color sequence, said color sequence being repeated in each quadrant; A method for navigating a sailing vessel equipped with a compass, characterized in that the vessel can navigate without performing arithmetic operations during sailing.