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I'm looking for a skilled material engineer or specialist to create a 12-inch urethane hinge for a small sailboat rudder. This hinge will need to withstand high-stress conditions and is intended to replace an old, degraded hinge that turned into a slippery goo after 20 years. Key Requirements: - The hinge must be durable, specifically designed to resist cracking, deforming, or detaching under stress. - It should withstand exposure to water without degrading. - Ideally, you should have experience with high-performance materials, particularly urethane or similar polymers. Please provide samples or evidence of previous work with high-durability hinges or similar applications. Thank you!
Project ID: 40682655
11 proposals
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Active 7 days ago
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11 freelancers are bidding on average $32 USD for this job

As a passionate and experienced mechanical designer, I have a thorough understanding of not just the design aspect, but also the materials that are crucial for high-stress applications like yours. I have successfully completed several projects involving the utilization of durable and resistant polymers like urethane, similar to what you're looking for. My 9 years of experience in tackling real-world mechanical challenges has honed my knowledge on precise material selection and designing resilient pieces that don't compromise performance. My portfolio features sample works highlighting my expertise in 3D modeling, CAD/CAM, Mechanical Design, and Product Design. Just as your project demands, my models have demonstrated strong resistance against cracking, deformation, and detachment under strenuous conditions. Moreover, I use water-enclosed testing techniques to ensure my designs maintain their integrity even in highly corrosive or wet environments. To put it simply, choosing me translates to not just the use of urethane, but also leveraging my comprehensive skill set and experience in high-performance polymers to deliver a rudder hinge capable of standing the test of time. Trust me with your project and you will not be disappointed! I'm eager to discuss further details and share additional relevant samples tailored to your sailboat rudder's hinge project requirements.
$30 USD in 1 day
8.5
8.5

As a mechanical engineer with a specialization in product design and over a decade in the field, I bring to your project not only deep expertise, but also a unwavering commitment to delivering excellent results. Throughout my career, I have continuously pushed the boundaries of materials usage to create high-performance products that last the trials of time, even under harsh conditions. Urethane and other polymers like it have been a particular area of focus for me, having successfully designed and built numerous durable hinges for various applications. In sailing, the right choice of materials can truly be a make-or-break factor. That is why my wealth of experience in 3D modeling will be invaluable in this project. By leveraging advanced CAD tools such as SolidWorks and Fusion 360, I'm able to visualize and test designs extensively before physical production. Utilizing these software alongside my expertise, I can assure you a 12-inch urethane hinge that will maintain its integrity, resistance against cracking or deformation even after long periods subjected to high-stress conditions and rough water environm
$50 USD in 2 days
7.3
7.3

Welcome I MADE MANY SMART DEVICES THAT MANUFACTURED AND USED IN REAL YOU WILL GET IT DONE PERFECTLY IN LESS TIME CHECK MY LATEST REVIEWS > (http://www.freelancer.com/u/ENG1mga) I have previously worked on, Lifting Set of Drones Mechanism, Robotic Arm, Delivery Robot, Automatic Wiring Machine, Solenoid Engines, Car Rooftent, Boat Lift Mechanism, Shoe Treadmill Mechanism Mechanical Ventilator and many other projects. I use Solidworks, Fusion 360, and ANSYS, COMSOL I have a workshop specializing in all 3D printing and CNC machining work, so I strive to provide the highest quality and precision. What you will receive with me: - 2D drawings - 3D files - Complete Tech. Formats - Finite Element Analysis (FEA) (if needed).
$100 USD in 1 day
6.8
6.8

Hey, You are looking for Durable Urethane Hinge for Sailboat Rudder "Lets Gets Started, I know you have several tempting proposals here, but I guarantee you to be impressed by my work. I have various skills in design, Illustration, Photoshop, Graphic Design, Logo Design and Illustrator. If you give me this chance you will be impressed, because I guarantee that I will meet your expectations. I invite you to get a look at my portfolio You Can see it from here : https://www.freelancer.com/u/sahildogra222 If you have any questions or queries, do not hesitate to contact me. I hope to start working with you. With regards! SAHIL
$30 USD in 1 day
6.5
6.5

As a highly experienced 3D Modeling and 3D Printing Specialist, I possess an impressive repertoire of skills that align perfectly with your project. I’ve extensively worked on creating parts and prototypes for industrial machines, consumer products, and more. This has given me a deep understanding of the design-to-manufacturing workflow and the principles behind constructing durable components that can withstand high-stress conditions. My expertise in working with a wide range of materials will prove invaluable to this project. I am well-versed with polymers like urethane and understand their limitations and capabilities under varying conditions. I am thorough in my process, ensuring that the models are not only precise, but optimized for performance, durability, and precision. Over the years, I have grown adept at designing components that can handle tough environments such as exposure to water without degrading. My previous work speaks volumes about my ability to create long-lasting hinges or similar applications. In their selection, my clients emphasize not only my skillful handling of CAD software like SolidWorks but also my commitment to delivering production-ready files with proper tolerances and clean topology. I’m ready and eager to bring this expertise to your sailboat rudder project!
$17 USD in 1 day
5.6
5.6

Hi, good day! I would like to apply for this project. I can design a durable 12-inch urethane rudder hinge with proper attention to strength, flexibility, water resistance, and long-term marine exposure. I have experience with mechanical product design, material selection, and CAD modeling, and can develop a practical, manufacturable solution to replace the degraded hinge. I look forward to working with you. Thank you.
$20 USD in 2 days
4.7
4.7

Hello, I’m interested in helping you develop the 12-inch urethane hinge for your sailboat rudder. I understand that the main challenge is creating a durable replacement that can handle repeated high stress and long-term exposure to water without cracking, deforming, becoming brittle, or detaching. I can help develop the hinge geometry with a focus on strength, flexibility, proper load distribution, and manufacturability. I’ll also consider the material properties and environmental exposure when selecting an appropriate urethane or similar high-performance polymer. I can create a detailed 3D CAD model and refine the design based on the required dimensions, mounting method, and expected loads. I’ll also review potential weak points in the hinge design and suggest improvements to increase service life. Please share photos/dimensions of the existing hinge and any available information about the rudder, mounting arrangement, and loading conditions. I’d be happy to review the requirements and discuss the best approach.
$15 USD in 1 day
4.2
4.2

Hello, The key challenge is selecting a urethane formulation and hinge geometry that can withstand repeated rudder loading, flexing, and long-term marine water exposure without premature degradation. I’d review the existing hinge dimensions and loading conditions, then select a suitable marine-grade urethane or comparable elastomer based on tensile strength, tear resistance, hardness, fatigue behaviour, and water/UV resistance. I’d also develop the replacement geometry with appropriate attachment and flex regions and provide manufacturing-ready CAD documentation. What are the rudder dimensions, approximate loading, and current hinge attachment method?
$10 USD in 1 day
3.9
3.9

Given the importance of this project, you need someone like me who has a wealth of experience in producing excellent and innovative designs. Having been an expert in 3D Modeling, CAD/CAM, and Product Design for years, I'm well-versed in using AutoCAD, Solidworks, CATIA, Inventor, and NX. My skillset extends to performing necessary analysis using ANSYS, COMSOL, ABAQUS, NX, and Star Siemens Software - a crucial component in ensuring the reliability of your rudder hinge. One notable aspect of working with me is that I pride myself on being available 24/6 to my clients. Your needs won't wait for office hours and my commitment to assisting engineers, architects, and businesses worldwide has made me adapt to deliver precise solutions whenever they're needed. In addition to this extensive experience and flexibility
$20 USD in 7 days
1.7
1.7

I have completed similar marine mechanical, polymer component, and functional CAD projects, including custom hinges and flexible components designed for demanding environments. I can develop your 12-inch urethane rudder hinge with a strong focus on marine durability, flexibility, fatigue resistance, and long-term water exposure. I’ll evaluate suitable urethane grades and alternative polymers based on hardness, tear strength, elongation, fatigue performance, UV/water resistance, and bonding/attachment requirements. The geometry will be designed to avoid stress concentrations and minimize the risk of cracking, permanent deformation, or detachment during repeated rudder movement. Deliverables: 3D CAD model of the 12-inch hinge Manufacturing-ready geometry and dimensions Recommended urethane/material specification Stress and load considerations Attachment/bonding recommendations Water and marine-environment suitability review Best Regards, Sidra STEP/STL and native CAD files Dimensioned manufacturing drawing Prototype/testing recommendations
$30 USD in 2 days
0.8
0.8

I can develop the 12-inch rudder hinge as a practical SolidWorks mechanical design, focusing on accurate geometry, mounting interfaces, load-bearing features, and manufacturability. I can work from the existing hinge dimensions, photos, and measurements to create a replacement design suitable for prototype evaluation. The design can consider water exposure, repeated loading, flexibility, and secure attachment. I can also provide the 3D CAD model and manufacturing-ready dimensions. For the urethane material selection, I would base the recommendation on the actual load, water exposure, temperature, and required flexibility rather than assuming a material without testing or specifications.
$25 USD in 3 days
0.0
0.0

Miami, United States
Member since Aug 31, 2026
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