US696621A - Life-boat, &c. - Google Patents

Life-boat, &c. Download PDF

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Publication number
US696621A
US696621A US5131401A US1901051314A US696621A US 696621 A US696621 A US 696621A US 5131401 A US5131401 A US 5131401A US 1901051314 A US1901051314 A US 1901051314A US 696621 A US696621 A US 696621A
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Prior art keywords
boat
chambers
air
life
keel
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Expired - Lifetime
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US5131401A
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Carl Emil Baarsen
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
    • B63B43/12—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using inboard air containers or inboard floating members

Definitions

  • the object of my invention is to provide a boat of special shape in combination with a special arrangement of air-chambers and ballast tank. It has been shown by several thorough trials that boats provided with my improvements possess in a particularly high degree the self-righting properties which are especially desirable in the case of life-boats and fishing-boats.
  • Figure 1 is a side view of a boat constructed according to my invention.
  • Fig. 2 is a plan, and Figs. 3, 4, 5, 6, and 7 are sections, of the boat on its different frames.
  • the keel of my improved boat is proportionally short, deepest midships and higher fore and aft, and the bottom of the boat is deeper midships than fore and aft. By this construction the boat is very easy to handle.
  • a further and most important feature of my invention is the special arrangement of the air-chambers.
  • a Norwegian norland boat has the defect that when capsized it immediately turns bottom upward and remains in that position, the cause being that the boat is long, narrow, and low.
  • a Norwegian lister boat or a bark is upset, it will not turn over, as the norland boat, but is filled with water and goes to the bottom, owing to the boat being short, broad, and deep.
  • the air-chambers are placed beneath, say, five thwarts in such a manner that the highest or deepest end of the chamber follows the frame from the thwart down to the bilge of the boat and goes farther in a sloping direction inidships and up under the thwart. All chambers should be made of iron plates.
  • the chambers will carry the boat full of water and sufiicient sailing-ballast. If fixed ballast is preferred, the boat will be safer, because the air-chambers will then naturally act upward and the ballast downward, and a breaker will then scarcely have power to Under such circumstances the loose ballast will roll out of the boat and lighten it, so that the air-chambers and the fixed ballast will more quickly right the boat.
  • Fig. 1 illustrates the form of the boat above described, with its curved keel a, which also allows for the great depth of the boat midships.
  • Figs. 2 and 7 show the arrangement of a bal-' last-tank d in the bottom of the boat.
  • This tank is placed midships and can be filled with wateras soon as the boat is launched by open ing a stop-cock e in the bottom of the boat.
  • the stop cock is situated on one side of the keel and may be opened and shut by a rodf, which passes through a pipe g and is provided with a handle h, arranged under the thwart.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Description

No. 696,62l. h Patented Apr. l, I902.
C. E. BAARSEN.
LIFE BUAT, 8w.
(Application filed Mar. 15, 1901.)
(No Model.)
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CARL EHIL BAARSEN, OF BERGEN, NORWAY.
Lite-BOAT, 36C.
SPECIFICATION forming part of Letters Patent No. 696,621, dated April 1, 1902-.
Application filed March 15. 1901. Serial No. 51,314. kNo model.)
To all whom it may concern:
Be it known that I, CARL EMIL BAARSEN, a subject of the King of Sweden and Norway, residing at Bergen, Norway, have invented new and useful Improvements in Life-Boats, of which the following is a specification.
The object of my invention is to provide a boat of special shape in combination with a special arrangement of air-chambers and ballast tank. It has been shown by several thorough trials that boats provided with my improvements possess in a particularly high degree the self-righting properties which are especially desirable in the case of life-boats and fishing-boats.
The improvements described can be applied to any boat; but in the accompanying drawings the invention is shown as applied to a Norwegian norlandish fishing boat-a so-called ottring.
In the accompanying drawings, Figure 1 is a side view of a boat constructed according to my invention. Fig. 2 is a plan, and Figs. 3, 4, 5, 6, and 7 are sections, of the boat on its different frames.
The keel of my improved boat is proportionally short, deepest midships and higher fore and aft, and the bottom of the boat is deeper midships than fore and aft. By this construction the boat is very easy to handle.
A further and most important feature of my invention is the special arrangement of the air-chambers. A Norwegian norland boat has the defect that when capsized it immediately turns bottom upward and remains in that position, the cause being that the boat is long, narrow, and low. When a Norwegian lister boat or a bark is upset, it will not turn over, as the norland boat, but is filled with water and goes to the bottom, owing to the boat being short, broad, and deep.
According to myinvention the air-chambers are placed beneath, say, five thwarts in such a manner that the highest or deepest end of the chamber follows the frame from the thwart down to the bilge of the boat and goes farther in a sloping direction inidships and up under the thwart. All chambers should be made of iron plates.
The advantage of myimproved boat is that should it be upset it will not turn over with turn the boat over.
the keel upward, but will rest with the sails on the water. The air-chambers at the stem and stern prevent the boat from turning with the keel upward. The side chambers keep the boat from sinking, and if by a quick action of the crew the shroud is cut to windward the mast will fall overbaard and the boat immediately right itself.
Should the boat be upset and a breaker throw the boat around with the keel upward, the chambers placed in the stem and stern will right the boat. It the crew are secured or fastened in the boat,-theywill be saved.
The chambers will carry the boat full of water and sufiicient sailing-ballast. If fixed ballast is preferred, the boat will be safer, because the air-chambers will then naturally act upward and the ballast downward, and a breaker will then scarcely have power to Under such circumstances the loose ballast will roll out of the boat and lighten it, so that the air-chambers and the fixed ballast will more quickly right the boat.
Fig. 1 illustrates the form of the boat above described, with its curved keel a, which also allows for the great depth of the boat midships.
From Figs. 3, 4, 5, 6, and 7 it will be seen how the air-chambers b b are arranged under each thwart in two parts, while the air-chambers c in the stem and stern may be in one part, as shown in Fig. 1. The air-chambers b b may communicate with each other, thereby forming a single easing across the boat under the thwarts.
Figs. 2 and 7 show the arrangement of a bal-' last-tank d in the bottom of the boat. This tank is placed midships and can be filled with wateras soon as the boat is launched by open ing a stop-cock e in the bottom of the boat. The stop cock is situated on one side of the keel and may be opened and shut by a rodf, which passes through a pipe g and is provided with a handle h, arranged under the thwart.
It is the special form of the boat, in combination with the arrangement of the air-chambers partly just underneath the thwarts and partly in the stem and stern of the boat, which give the boat its self-righting properties, and it is the combined arrangement of these parts, substantially as described and rod and handle, said ballast-tank being in shown, which forms the object of this inventhe bottom of the boat and controlled bysaid tion. stop-cock, substantially as described.
Having now described my invention, what In witness whereof I have hereunto set my 5 I claim as new, and desire to secure by Lethand in presence of two witnesses.
ters Patent is CARL EMII IAARSEN In combination, the curved keel, air-chamhers beneath the thwarts as well as in the l/Vitnesses: 7
upper part of the stem and stern, and a bal- KATHINKA PAULSSEN, 1o last-tank midship provided with stop-cock, l AXEL LAHN.
US5131401A 1901-03-15 1901-03-15 Life-boat, &c. Expired - Lifetime US696621A (en)

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US5131401A US696621A (en) 1901-03-15 1901-03-15 Life-boat, &c.

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US5131401A US696621A (en) 1901-03-15 1901-03-15 Life-boat, &c.

Publications (1)

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US696621A true US696621A (en) 1902-04-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435083A (en) * 1944-12-16 1948-01-27 William R Johnson Decoy
US3063069A (en) * 1958-07-26 1962-11-13 Brummer Alfred Boat construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435083A (en) * 1944-12-16 1948-01-27 William R Johnson Decoy
US3063069A (en) * 1958-07-26 1962-11-13 Brummer Alfred Boat construction

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