Technical Literature
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The Impact of Water-Cooled Exhaust And Supercharging on The Engine
With the rich powertrain experience accumulated continuously for 15 years, EMAC is involved in system design, product supply, installation and commissioning, we are not a supplier but a system solution provider. We provide complete powertrain system and related parts...
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A Comprehensive Overview of Different Yacht Propulsion Systems and Their Pros and Cons
This article delves into the seven mainstream yacht propulsion systems, namely direct shaft, inboard Z-drive, jet drive, surface drive, pod drive, outboard motor, and inboard/outboard drive (I/O). It thoroughly analyzes the structural characteristics and applicable s...
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Comparison of Propellers Made of Different Materials
Cast iron propellers and copper propellers each exhibit distinct characteristics in marine propulsion; however, from a comprehensive performance perspective, copper propellers hold significant advantages.
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Introduction to Common Automobile Ferry Packages
As a key transportation tool for land-island connections, the propeller design of automobile ferries must balance special requirements such as speed, maneuverability, and economy.This paper systematically analyzes the key design parameters and matching methods of suc...
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Selection and design concepts of different types of ship propellers
This paper explores the selection and design concepts for propellers of different types of ships, with a focus on analyzing the propeller design characteristics of common vessel types such as passenger ships, bulk carriers, fishing vessels, container ships, engineeri...
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Manufacturing Process of Liyang Propellers
This paper comprehensively introduces the complete manufacturing process of Liyang Propellers, with a focus on our innovative breakthroughs in casting technology, machining processes, and quality control. By adopting 12 patented technologies—including quick-drying sa...
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Liyang Propeller Quality Control System
This paper comprehensively introduces the distinctive three-level quality control system of Liyang Propellers, which comprises three rigorous pre-furnace inspections and ten precise finished product tests. By adopting internationally advanced testing equipment and sc...
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Introduction to Different Certificate-Level Propellers
This paper systematically introduces the quality control systems for different certification levels in ship propeller manufacturing, focusing on analyzing the differences among mainstream standards such as BV (Bureau Veritas), CCS (China Classification Society), and ...
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Introduction to Common Passenger Ship Packages
The design of passenger ship propellers requires comprehensive consideration of the vessel's speed, comfort, economy, and maneuverability. This paper details the key design parameters of passenger ship propellers (including diameter, disk area ratio, material, hub-to...
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Introduction to Common Fishing Vessel Packages
The design of fishing vessel propellers needs to balance propulsion efficiency, maneuverability, and special operational requirements.This paper systematically analyzes the key design parameters of fishing vessel propellers（including diameter, disk ratio, material, ...
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Introduction to Common Engineering Vessel Packages
The propeller design of engineering ships must meet the requirements of complex operating environments and special functional needs, and its design process entails the comprehensive consideration of multiple factors—including maneuverability, positioning capability, ...
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Introduction to Common Container Ship Shipping Packages
The design of container ship propellers must balance specific requirements, such as high speed, high efficiency, and route adaptability. This paper systematically analyzes the key design parameters and matching methods of modern container ship propellers, with a part...
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Introduction to Common Bulk Carrier Packages
The design of bulk carrier propellers requires comprehensive consideration of the vessel's economy, durability, and seaworthiness. This paper details the key design parameters of bulk carrier propellers (diameter, disk area ratio, material, hub-to-diameter ratio, rak...
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