Hull Form Summary - Boat Design Net

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Bow with Bulb Simplified for Production (1)Characteristics:• Bulb simplified for production, built from conical shapedcomponentsM.Ventura Hull Form 75Bow with Bulb Simplified for Production (2)Production:• Increase of abt. 112% of number of plates with double curvaturein the forebody by comparison with an elliptical bow• Reduction of abt. 30% by comparison with a spoon bow• Reduction of abt. 63% by comparison with a conical bow• Transverse structure relatively simple• Increase the cost of abt. 14.1% in relation to the elliptical bow• Increase the cost of abt. 7.1% in relation to the conical bowM.Ventura Hull Form 7638
Direct Development of the Hull FormMain steps:• Sketch a load waterline• Draw a midship section and locate one copy in each end ofthe parallel middle body• Draw three sections in the forebody and three sections inthe aftbody in such a way to obtain for each one the areadefined in the Sectional Area Curve• Create 2 waterlines from the intersections with the existingsections and fair the lines obtained• Proceed with modifications of the initial sections untilsatisfactory faired lines are obtained• Draw a longitudinal section and fair the line• Continue to create sections and waterlines by the sameprocess described above…M.Ventura Hull Form 77Creation of the Main Deck• To generate the deck its is needed to to define first twotypes of lines:– Sheer line– Camber line(s)• Decks other than the main one (exposed) have a simplerplanar form, resulting from the intersection of an horizontalplane with the shellM.Ventura Hull Form 7839
Page 1 and 2: Hull FormManuel VenturaShip Design
Page 3 and 4: Types of LiftM.Ventura Hull Form 5D
Page 5 and 6: Planning Hulls with Double ChineThe
Page 7: CatamaranTypes of Hull:• Tunnel
Page 10: Evolution of the Pentamaran• Pate
Page 13 and 14: SWEEP Hull (1)• Don Burg invented
Page 15 and 16: Systematic Series (1)• Taylor Ser
Page 17 and 18: Systematic Series (5)• FDS (Forsc
Page 19 and 20: Example: Taylor SeriesidetayloDimen
Page 21 and 22: Example: Taylor Series (1)idetayloD
Page 23 and 24: Midship Section Coefficient (C M )T
Page 25 and 26: Cb ≥ 0.80Length and Extent of Par
Page 27 and 28: Deck Line at Side• The actual lin
Page 29 and 30: Influence of the Propulsion andMane
Page 31 and 32: Stern ShapePropeller ClearanceRound
Page 33 and 34: BowM.Ventura Hull Form 65Knuckles (
Page 35 and 36: Elliptical Bow (1)Characteristics:
Page 37: Spoon Type Bow (1)Characteristics:
Page 41 and 42: Generation of the Deck SurfaceSweep
Page 43 and 44: Thruster Tunnel (2)The intersection
Page 45 and 46: Bibliography (2)• Celniker, Georg
Page 47 and 48: Bibliography (6) Holtrop, J. and Me

Hull Form Summary - Boat Design Net

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