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X 43 Flybridge Motor Yacht ArchitectureampDesigned by Andrei Rochian
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X43 Flybridge Motor Yacht designed by Andrei Rochian • LOA=13.5m • Hull Lenght = 12.79m • B=4.2m • B Waterline=3.8m • Draft 0.87m • Deadrise angle at transom= 14 degrees • Displacement 15000 kg • Hull area = 82m2 • Deck Area= 52m2 • Flybridge cabin area =35m2 • LWL=11.7m • Propulsion 2x 350 hp Diesel • Fuel 600 liters • The motor yacht has been built built in North East China province of Liaoning formerly known as Manchuria sea trials at the sea of Bohai Gulf of Liaodong • Assessment of the X43 Flybridge Motor Yacht Based on above Data • 1. Planing Capabilities: • Displacement to Length Ratio (D/L): The D/L ratio is a key indicator of whether a boat is suitable for planing. Generally, a ratio below 200 suggests that the boat is optimized for planing. • Assessment: A D/L ratio of 146 indicates that the X43 is suitable for planing. It’s well within the range expected for a planing hull, particularly in a motor yacht designed for performance. • Deadrise Angle: The deadrise angle at the transom is an important factor affecting how the hull behaves in rough water and its planing efficiency. • Your design features a 14-degree deadrise, which suggests that it strikes a balance between a smooth ride and planing performance. Boats with less than 10 degrees of deadrise typically prioritize speed on flat water, while those with 20 degrees or more are better in rough seas but require more power to plane. • Assessment: With a moderate deadrise of 14 degrees, the X43 should perform well in moderate sea conditions, offering a good mix of comfort and planing efficiency. • 2. Speed Potential: • Power-to-Weight Ratio: The power-to-weight ratio (P/W) is an important factor in determining speed. • yacht has 2 x 350 hp diesel engines (700 hp total). • ≈0.021hp per pound • This is a relatively common power-to-weight ratio for yachts in this size category, allowing for decent planing speeds. • Predicted Speed: Using a rough estimation method called the Speed Length Ratio (SLR), we can estimate the potential speed: • Speed≈3.5×6.2=21.7knots • Assessment: With the given engine power and hull design, the X43 Flybridge Motor Yacht should achieve speeds in the range of 18-22 knots, which is respectable for a yacht of this size. If lighter or more powerful engines are used, speeds could exceed this. • 3. Sea Behavior: • Stability and Comfort: • Beam: The beam of 4.2 meters (13.78 feet) provides a good balance between stability and performance. A wider beam tends to improve initial stability, which should make the yacht feel stable at rest and when underway in calm waters. • Deadrise Angle (14 degrees): As mentioned, this is a compromise between comfort and performance. In moderate seas, the boat should be able to handle waves reasonably well, though in very rough conditions, pounding might be more noticeable compared to a deeper-V hull (e.g., with a 20-degree deadrise). • Flybridge: The large flybridge cabin area (35 m²) means a higher center of gravity, which could affect stability, especially in choppy or windy conditions. • Displacement: • With a displacement of 15,000 kg, the boat will have sufficient mass to cut through moderate seas without being excessively tossed about. • 4. Fuel Efficiency: • With 2 x 350 hp diesel engines and a fuel capacity of 600 liters, fuel efficiency will depend on speed and sea conditions. At cruising speeds, the yacht should have a reasonable range for day trips or short coastal cruises. • Overall Assessment: • Planing: The X43 Flybridge Motor Yacht is well-suited for planing, with a moderate deadrise and favorable displacement-to-length ratio. It should reach planing speeds of around 18-22 knots with the specified engines. • Speed: With the power-to-weight ratio and hull design, the yacht should comfortably achieve moderate planing speeds. Speeds over 20 knots are realistic under normal conditions. • Sea Behavior: The yacht will handle moderate seas well, with good stability due to its beam,. • • #yachtdesign #boatdesign #innovation #design #engineering #bordeaux #hongkong #boat #tender #yacht #craftsmanship #boote #bootsbau #boot #bat #bootkonstrukteur #barci #ambarcatiuni #pescuit #pescari #salupe #yahturi #yaht #barcipescuit #boatarchitecture #yachtarchitecture #DesignIahturi #IahtMotor #DesignAmbarcațiuni #BarcăMotor #lancha #lanchas #motoscafo #sportboote #SportYachtDesign #SportYacht #MotorYacht #BoatDesign #Boating #Sailing #Motorboat #BoatBuilding #YachtLove #Yachts #Boats #SportYachtArchitecture #YachtArchitecte #Sportboot #Yachtdesigner #Bootsdesign #Sportyachtdesign #Yachtdesignarchitektur #Sportyachtdesignarchitektur #Sportbåt #Yachtarkitektur #Diseñodeyates #Diseñodeembarcaciones #Arquitecturadeyatesdeportivos #Diseñodeembarcacionesdeportivas #Architetturadiyacht #Progettazionediimbarcazioni #Architetturadiyachtdisportivi #Progettazionediimbarcazionedisportive #Båtdesign #船体设计 #游艇设计 #运动游艇设计 #船体建筑 #游艇建筑 #运动游艇建筑 #船舶设计 #遊艇设计 #運動遊艇设计 #船體建築 #선체디자인 #요트디자인 #스포츠요트디자인 #선체건축 #요트건축 #선박디자인 #モーター #スポーツヨットデザイン #ボートデザイン #ヨット設計 #ボート
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