US1941586A

US1941586A - Speed boat

Info

Publication number: US1941586A
Application number: US613867A
Authority: US
Inventors: William J Snadecki
Original assignee: Individual
Current assignee: Individual
Priority date: 1932-05-27
Filing date: 1932-05-27
Publication date: 1934-01-02
Anticipated expiration: 1951-01-02

Description

Jan. 2, 1934. w. J. SNADECKI 1,941,586

SPEED BOAT Filed May 27, 1932 7 JNVENTOR.

WILLIAM J. SNADE: CKI

' ATTORNEY.

Patented Jan. 2, 1934 UNITED STATES PATENT oFFicE 4 Claims.

This invention relates to new and useful improvements in the construction of boats and has particular relation to an improved construction for boats of the class known as speed boats.

The principal object of the invention is to provide a speed boat the bottom of which is formed with lap strakes so strengthened or reinforced as to be capable of withstanding terrific pounding.

Another object is to provide a construction as stated and which is light and strong and such as to keep the boat bottom firm and keep the laps from working or opening at the same time doing away with certain securing or fastening means usually employed.

Other objects and advantages will become apparent from a consideration of the following detailed description taken in connection with the accompanying drawing wherein a satisfactory embodiment of the invention is shown. However, it will be understood that the invention is not limited to the details disclosed but includes all such variations and modifications as fall within the spirit of the invention and the scope of the appended claims.

In the drawing:

Fig. 1 is a bottom plan view of a boat constructed in accordance with the present invention, parts being broken away to show the interior construction; and

Fig. 2 is a transverse sectional view through a portion of the bottom of the boat, the view being on an enlarged scale.

Referring in detail to the drawing, the boat shell is generally indicated at 5 and is constructed with the planks 6 or strakes 6 arranged in overlapping relation or in the relation commonly called lap straked or clinker-built. This particular construction may be used only on that portion of the shell below the water line although if desired the construction may be carried from the keel 7 to the gunwale of the boat. If desired, the outer contour of the shell may be that described in my Patent Number 1,811,981

of June 30, 1931, although such contour does not form part of the present invention and the present invention is not limited to use in boats having the contour disclosed in that patent.

In Fig. 2 the garboard strakes are tapered or chamfered at their outer edges whereby the strakes at their inner edges engage such tapered portion at 8 to give relatively wide contacting surfaces at the lap. This is carried out as one strake over-laps the next whereby a solid construction is provided. Arranged within the boat shell and forming part thereof are transversely extending ribs 9 curved to seat against the strakes whereby to strengthen them and assist in holding them in their proper locations. Arranged on the ribs 9 and extending longitudinally of so the boat are battens 10, the said battens being arranged directly over the

laps

8 and 8. This construction may be used only on the bottom of the boat or that portion of the boat below the water line and which receives the stress and c5 pounding while the boat is in use. However,

desired, the same construction may be employed from the keel to the gunwale. The battens and ribs are preferably of hard wood and are secured together by screws as shown, the said screwsnot entering the planking but having their heads located at the under sides of the ribs.

The construction above described provides a very strong construction since the bottom planks X5 or strakes are laid lengthwise the ribs 9 inside are arranged crosswise of the strakes and over these ribs are the battens also running lengthwise and serving to strengthen the laps to keep them firm and against working such as would cause leaks and loose planking. Of course, the number and size of battens employed depends on the number of strakes and laps and the size of the boat. These battens need not extend for the entire length of the boat but only for such length as good judgment may dictate to make a strong construction. In the high speed boats the bottom is subjected to pounding as the boat is driven since as a rule its forward portion extends out of the water to a certain extent and the forward portion of the bottom of the boat is constantly striking the water with considerable force. From the foregoing it will be seen that the invention relates to a round bottom lap strake boat.

Having thus described the invention, what is claimed is:

1. A boat shell comprising a body having a rounded bottom, said bottom formed with lap strakes, ribs within and extending transversely of said body and curved and engaging the inner surfaces of said strakes, battens extending lengthwise of said body and engaging the inner surfaces of said ribs, means securing said battens to said ribs, and said battens arranged directly over the laps of said strakes.

2. A boat shell comprising a body having a rounded bottom, said bottom formed with lap strakes, battens within said body and extending lengthwise thereof, and said battens arranged 4. A boat shell comprising a body having a rounded bottom, said bottom formed with lap strakes, one of said strakes being beveled at each of said laps whereby wide contacting surfaces are provided at the laps, ribs within and extending transversely of said body and curved and engaging the inner surfaces of said strakes, battens extending lengthwise of said body and engaging the inner surfaces of said ribs, and said battens arranged directly over the laps of said strakes.

WILLIAM J. SNADECKI.