The present disclosure relates to a sponson for a pontoon boat. The sponson has integrated chines and integrated splash guards. The sponson also includes a keel and deadrise surfaces on opposite sides of the keel. The sponson further includes an integrated keel reinforcement stringer within the spon
The present disclosure relates to a sponson for a pontoon boat. The sponson has integrated chines and integrated splash guards. The sponson also includes a keel and deadrise surfaces on opposite sides of the keel. The sponson further includes an integrated keel reinforcement stringer within the sponson.
대표청구항▼
1. A sponson having a sponson top and a sponson keel, the sponson comprising: a sponson left side that extends from the sponson top to the sponson keel, the sponson left side including a sponson left chine and a sponson left deadrise surface that extends from the sponson left chine to the sponson ke
1. A sponson having a sponson top and a sponson keel, the sponson comprising: a sponson left side that extends from the sponson top to the sponson keel, the sponson left side including a sponson left chine and a sponson left deadrise surface that extends from the sponson left chine to the sponson keel;a sponson right side that extends from the sponson top to the sponson keel, the sponson right side including a sponson right chine and a sponson right deadrise surface that extends from the sponson right chine to the sponson keel; anda left keel flange that is integral with the sponson left side and a right keel flange that is integral with the sponson right side, the left and right keel flanges extending upwardly from the sponson keel and being secured together to form a keel reinforcing stringer that extends along the sponson keel. 2. The sponson of claim 1, wherein the sponson includes a top plate structure that encloses the sponson tops. 3. The sponson of claim 2, wherein the top plate structure is fastened to left and right top sponson flanges of the sponson, and wherein a sealed relationship exists between the left and right top sponson flanges and the top plate structure. 4. The sponson of claim 1, wherein the sponson left chine and the sponson right chine are angled downwardly. 5. The sponson of claim 1, wherein the sponson left chine and the sponson right chine are angled downwardly at angles in the range of 3-5 degrees. 6. The sponson of claim 1, wherein the left and right deadrise surfaces have deadrise angles in the range of 12-24 degrees. 7. The sponson of claim 1, wherein the left and right deadrise surfaces have deadrise angles greater than 12 degrees. 8. The sponson of claim 1, wherein the sponson left side includes a sponson left splash guard positioned between the sponson left chine and the sponson top, and wherein the sponson right side includes a sponson right splash guard positioned between the sponson right chine and the sponson top. 9. The sponson of claim 1, further comprising bulkheads secured between the sponson left side and the sponson right side, and wherein a vent tube is integrated with the bulkhead. 10. The sponson of claim 1, further comprising bulkheads secured between the sponson left side and the sponson right side, the bulkheads including left flanges welded to the sponson left sides and right flanges welded to the sponson right sides. 11. The sponson of claim 1, wherein the keel reinforcing stringer extends higher than the sponson left and right chines. 12. The sponson of claim 11, further comprising bulkheads secured between the sponson left side and the sponson right side, the bulkheads including main plate bodies, the bulkheads also including upper bulkhead flanges at upper ends of the bulkheads, lower bulkhead flanges at lower ends of the bulkheads, left bulkhead flanges at left sides of the bulkheads and right bulkhead flanges at right sides of the bulkheads, the left bulkhead flanges being welded to the sponson left sides, the right bulkhead flanges being welded to the sponson right sides, the lower ends of the bulkheads extending between the sponson left and right chines, the lower ends of the bulkheads defining lower bulkhead notches in which the keel reinforcing stringers are received, and the lower ends of the bulkheads being welded to the keel reinforcing stringers at the lower bulkhead notches. 13. The sponson of claim 12, wherein the sponson left side includes a sponson left splash guard positioned between the sponson left chine and the sponson top, wherein the sponson right side includes a sponson right splash guard positioned between the sponson right chine and the sponson top, wherein the left sides of the bulkheads include left bulkhead notches that complement the sponson left splash guard, and wherein the right sides of the bulkheads include right bulkhead notches that complement the sponson right splash guard. 14. The sponson of claim 1, wherein the sponson keel has a horizontal angle of attack along an aft section and an inclined angle of attack along an intermediate section. 15. The sponson of claim 14, wherein the inclined angle of attack is in the range of 0.5 to 1.5 degrees relative to horizontal. 16. The sponson of claim 14, wherein the inclined angle of attack is about 1 degree relative to horizontal. 17. The sponson of claim 1, further comprising an aft end plate mounted at an aft end of the sponson, the aft end plate being oriented at an inclined angle such that the aft end plate inclines as the aft end plate extends in a forward direction. 18. The sponson of claim 1, further comprising a chamfer extending between the sponson right chine and the sponson right deadrise surface. 19. The sponson of claim 1, further comprising a chamfer extending between the sponson left chine and the sponson left deadrise surface. 20. The sponson of claim 1, further comprising a hull stringer connected to the sponson right deadrise surface and extending parallel to the sponson keel. 21. The sponson of claim 1, further comprising a hull stringer connected to the sponson left deadrise surface and extending parallel to the sponson keel. 22. A sponson comprising: a sponson top and a sponson keel;a sponson left side that extends from the sponson top to the sponson keel and a sponson right side that extends from the sponson top to the sponson keel, the sponson left side including a sponson left chine and a sponson left deadrise surface that extend from the sponson left chine to the sponson keel, the sponson right side including a sponson right chine and a sponson right deadrise surface that extends from the sponson right chine to the sponson keel, the left and right deadrise surfaces having deadrise angles, the sponson also including a keel reinforcing stringer that extends along the sponson keel;a sponson front nose section, a sponson aft section and a sponson intermediate section, the sponson intermediate section including a front end and a rear end, the sponson front nose section being secured to the front end of the sponson intermediate section at a first seam, and the sponson aft section being secured to the rear end of the sponson intermediate section at a second seam;the sponson front nose section including a front left plate that defines a forward portion of the sponson left side, and a front right plate that defines a forward portion of the sponson right side, the front left plate being shaped to define a forward section of the sponson left chine and a forward portion of the sponson left deadrise surface, the front right plate being shaped to define a forward section of the sponson right chine and a forward portion of the sponson right deadrise surface, the front left plate including a front left keel flange that extends upwardly from the sponson keel, the front right plate including a front right keel flange that extends upwardly from the sponson keel, the front left keel flange and the front right keel flange being secured together and cooperating to define a forward portion of the keel reinforcing stringer;the sponson intermediate section including an intermediate left plate that defines an intermediate portion of the sponson left side, and an intermediate right plate that defines an intermediate portions of the sponson right side, the intermediate left plate being shaped to define an intermediate section of the sponson left chine and an intermediate portion of the sponson left deadrise surface, the intermediate right plate being shaped to define an intermediate section of the sponson right chine and an intermediate portion of the sponson right deadrise surface, the intermediate left plate including an intermediate left keel flange that extends upwardly from the sponson keel, the intermediate right plate including an intermediate right keel flange that extends upwardly from the sponson keel, the intermediate left keel flange and the intermediate right keel flange being secured together and cooperating to define an intermediate portion of the keel reinforcing stringer; andthe sponson aft section including an aft left plate that defines an aft portion of the sponson left side, and an aft right plate that defines an aft portion of the sponson right side, the aft left plate being shaped to define an aft section of the sponson left chine and an aft portion of the sponson left deadrise surface, the aft right plate being shaped to define an aft section of the sponson right chine and an aft portion of the sponson right deadrise surface, the aft left plate including an aft left keel flange that extend upwardly from the sponson keel, the aft right plate including an aft right keel flange that extends upwardly from the sponson keel, the aft left keel flange and the aft right keel flange being secured together and cooperating to define an aft portion of the keel reinforcing stringer.
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