KR101980530B1 - Bottom Structure Of Racing Motor boat - Google Patents

Abstract

The present invention relates to a line bottom structure of a racing motor boat, and more particularly, to a line bottom structure of a racing motor boat, which is provided at both sides of a first bow inclined portion and a first bow inclined portion symmetrical to the right and left sides of the bow horizontal portion, A first stern inclined portion which is composed of a second bow inclined portion and extends from the forward side to the middle portion, a stern horizontal portion at the center, a first stern inclined portion which is symmetrical to the right and left sides of the forward horizontal portion, A stern bottom surface extending from a center portion to a stern side and a bottom bottom pin provided at a central portion of the stern horizontally portion, the stern bottom portion being composed of two stern inclined portions, It responds to the instructions accurately and quickly to maximize the steering performance. Especially, it is suitable for the technique such as counter-steer, It has the effect of minimizing the risk of rollover that occurs during high-speed turns and improved line characteristics.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bottom-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line bottom structure of a racing motor boat, and more particularly, to an improvement of a water jacking structure of a motor boat and a counter- The present invention relates to a line bottom structure of a motor boat for racing.

It is actively being performed in Korea as well as a business that sells a winner's vote to a motorboat race and issues a refund to a winner.

More specifically, in 1908, the first international motorboat race was held in England in 1905, starting with the installation of a 1.5-horsepower gasoline engine in Germany in 1885. In Korea, the first competition was held in 2002, and it has been actively carried out so far.

The racing motor boat used here requires excellent sleeping characteristics, directional stability and stability.

For this purpose, Korean Patent Registration No. 10-0225969 discloses a V-shaped bottom structure for a boat including side portions that are symmetrical with respect to a stern portion, a bow portion, and a keel line as shown in FIG. 1 The floor structure includes central bottom portions extending from the stern portion to a forward portion at a predetermined distance and disposed at angles to each other at both sides of the keel line and a center bottom portion extending outwardly from the outer edge of the center bottom portion, A bottom structure of a boat is known, which is composed of outer bottom portions arranged at an angle to each other.

However, the above structure is applied to a general high-speed motor boat, in which a plurality of boats compete with each other in speed, and in particular, when turning at a high speed at a turning point, etc., And there is a risk of boat overturn in the case of a high-speed wharf due to a relatively small surface friction with the water surface.

Korean Registered Patent No. 10-0468100 (January 17, 2005)

In order to solve the above-mentioned problems, the present invention aims to provide a line bottom structure of a motor boat for racing which is optimized for racing using a motor boat by improving steering responsiveness, technical friendliness, and sleeping running characteristics do.

The configuration for achieving the object includes a first horizontal inclined portion which is symmetrical to the right and left sides of the horizontal portion and a second inclined portion which is provided on both sides of the first inclined portion, And a second stern inclined portion provided on both sides of the first stern inclined portion symmetrical to the right and left sides of the fore and aft horizontal portions of the fore and aft stern portions, And a bottom bottom pin provided at a central portion of the aft horizontal portion. The bottom bottom surface of the bottom portion of the motor boat for racing is characterized by comprising a stern bottom surface extending from the bottom surface to the bottom surface of the stern bottom portion.

According to another aspect of the present invention, the second bow inclination part and the second stern inclination part extend to both sides of the step to form a curved surface, wherein the slopes of the first bow inclination part and the first stern inclination part are the same, And a step reinforcement portion formed to be inclined between the horizontal portion and the aft horizontal portion of the stern.

According to another aspect of the present invention, a plurality of bottom pin coupling holes are provided at the center of the stern horizon so that the bottom pin can be fixed by being moved forward, backward, left, and right. And a step extending portion is formed in a step and step shape between the first bow inclined portion and the first stern inclined portion so as to extend toward the stern side and can be fixed by the fixing means.

As described above, the line bottom structure of the motor boat for racing according to the present invention has an effect of improving the steering responsiveness, the tactility and the running characteristics of the water surface.

More specifically, the steering performance is maximized by accurately and promptly responding to subtle steering instructions of the athlete. In particular, it is easy to use techniques such as counter-steer and the like, and there is an effect of minimizing the risk of rollover occurring at high-speed turning.

1 is a perspective view of a bottom structure of a conventional boat;
Fig. 2 is a top view of a line bottom structure of a race motor boat according to the first embodiment of the present invention. Fig.
3 is a side view of the line bottom structure of the race motor boat according to the first embodiment of the present invention.
Fig. 4 is a front view of a line bottom structure of a race motor boat according to the first embodiment of the present invention; Fig.
Fig. 5 is a rear view of a line bottom structure of a race motor boat according to the first embodiment of the present invention. Fig.
Fig. 6 is a top view of a line bottom structure of a motor boat for racing according to the second embodiment of the present invention; Fig.
Fig. 7 is a side view of a second embodiment of a line bottom structure of a racing motor boat according to the present invention. Fig.

FIGS. 2, 3, 4, and 5 are a top view, a side view, a front view, and a rear view, respectively, of a first embodiment of a line bottom structure of a racing motor boat according to the present invention. If you do,

In a line bottom structure of a racing motor boat, a first bow inclined portion (12) symmetrical to the right and left sides of the bow horizontal portion (11), a first bow inclined portion (12) And a second stern inclined portion 13 provided on the stern horizontal portion 21. The stern bottom portion 21 extends from the forward side to the middle portion and has a stern horizontal portion 21 at the center and a first stern A stern bottom surface (20) composed of an inclined portion (22) and a second stern inclined portion (23) provided on both sides of the first stern inclined portion (22) and extending from the center portion to the stern side; 10) and the stern bottom (20) in a stepped manner; And a bottom bottom pin (40) provided at a central portion of the aft horizontal portion (21).

At this time, the fore and aft horizontal portions 11 and 21 are horizontal with respect to the left and right sides of the racing motor boat, and have a natural curved surface with respect to the front and rear sides.

The second bow inclined portion 13 and the second stern inclined portion 23 are extended to both sides of the step 30 to form a curved surface.

That is, although the fore and aft bottom surfaces 10 and 20 are divided by the step 30, the outer sides of the second bow inclined portion 13 and the second stern inclined portion 23 are separated by the step 30 And has a continuous surface.

The slope of the first bow inclined portion 12 and the first stern inclined portion 22 is the same. This is also a slope with respect to the left and right sides of the racing motor boat, and is formed differently in height only by the step 30.

More specifically, the first bow inclination part 12 and the first stern inclination part 22 are inclined by 8 to 12 degrees upward to both sides of the boat with reference to the bow horizontal part 11 and the stern horizontal part 21, respectively And the second bow inclined portion 13 and the second stern inclined portion 23 are formed to be inclined upward by 36 to 40 degrees.

It is preferable that the bottom pin 40 is positioned below the center of gravity of the bow when the bow is mounted on the racing motor boat and the step 30 is located on the front side of the bow. 11) and a stern horizontal portion (21). The step reinforcement portion (31) is formed to be inclined between the stern horizontal portion (21) and the stern horizontal portion (21).

The bottom surface structure of the racing motor boat constructed as described above does not have a keel line provided on the bottom of a general boat and has a bow horizontal portion 11 and a stern horizontal portion 21 at the corresponding positions, We can use the technique such as counter-steer used more quickly and accurately. And the surface of friction against the water surface is secured, whereby the risk of overturning of the boat caused by the high-speed wharf can be remarkably reduced.

In addition, the motor is fixed on the stern side, and the center of gravity is located on the stern side, so that the player's bottom 10 is floated on the water surface during running, thereby exhibiting better sleeping characteristics. And, the racing motor boat to which the above-mentioned bottom surface structure is applied is suitable for a one-passenger compass.

6 and 7 are respectively a top view and a side view of a second embodiment of the line bottom structure of a racing motor boat according to the present invention, and the construction of the first embodiment of the present invention will be described with reference to the following.

A plurality of bottom pin coupling holes 41 are provided at the central portion of the aft horizontal portion 21 so as to be fixed by moving the bottom pin 40 in the front, rear, left, and right directions, A step 30 and a step extending portion 32 are formed between the portion 11 and the stern horizontal portion 21 and between the first bow inclined portion 12 and the first stern inclined portion 22, And is extended toward the stern side and fixed by the fixing means.

This is a structure for facilitating biased turning and drift when racing is performed in an elliptical track or the like which is rotated in one direction with little turning or the like in accordance with the rule of racing, The position of the bottom pin 40 is changed and the step extension portion 32 built in the form of a drawer in the step 30 is extended toward the aft side and can be coupled by means of bolts or the like.

The step extension portion 32 may be constituted only between the fore and aft horizontal portions 11 and 21 or the left and right first bow inclined portions 12 and the first stern inclined portions 22).

In the first and second embodiments of the present invention, the bottom surface structure of the racing motor boat is made of wood, and in the case of the bottom bottom pin 40, it is preferably made of metal.

While the invention has been shown and described with respect to specific embodiments and applications thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who has it will know it easily.

10. Bottom of the bow 11. Horizontal of the bow
12. First bow inclination 13. Second bow inclination
20. Stern bottom 21. Stern horizontal section
22. First stern inclined portion 23. Second stern inclined portion
30. Step 31. Step reinforcement
32. Step extension 40. Bottom pin
41. Bottom pin coupling hole

Claims (6)

A first bow inclined portion 12 symmetrical to the right and left sides of the forward horizontal portion and a second bow inclined portion 13 provided on both sides of the first bow inclined portion 12 A first stern inclined portion 22 and a first stern inclined portion 22 which are symmetrical to the right and left sides of the forward horizontal portion, And a stern bottom surface 20 extending from the center portion to the stern side and a stern bottom surface 20 provided between the stern bottom surface 10 and the stern bottom surface 20, (30) and a bottom pin (40) provided at a central portion of the stern horizontal portion (21), wherein the bottom bottom surface of the motor boat
The second bow inclined portion 13 and the second stern inclined portion 23 extend to both sides of the step 30 to form a curved surface,
The slopes of the first bow inclined portion 12 and the first stern inclined portion 22 are the same,
And a step reinforcement portion (31) formed to be inclined between the forward horizontal portion (11) and the aft horizontal portion (21)
Wherein a plurality of bottom pin coupling holes (41) are provided at a center portion of the stern horizontal portion (21) so that the bottom pin (40) can be fixed by moving the bottom pin (40) back and forth. delete delete delete delete The method according to claim 1,
A step 30 is formed between the fore and aft horizontal portions 21 and 21 and between the first and second inclined portions 12 and 22 in a stepped manner, (32) is provided and extended toward the stern side and fixed by a fixing means.

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