Rapid solutions to difficult engineering problems.
Based in Colorado Springs, Colorado, Ransford Engineering is a mechanical design engineering practice providing specialized engineering solutions for commercial and industrial clients. Founded in 2016, it offers product design and prototyping, finite element analysis (FEA) stress analysis, jigs and fixtures, below-the-hook lifting devices, and steel fabrication design. It focuses on custom solutions for complex engineering challenges and is licensed for Professional Engineering (PE) services in Colorado.
Licensed Professional Engineer (Colorado)
John MarshallFounder
Mechanical engineering solutions for complex structural and mechanical challenges, from initial layout development through production-ready plans.
Creating 3D CAD models, detailed technical drawings, and 2D designs across various disciplines.
Applying GD&T principles to ensure clear manufacturing variations and clear communication with fabricators.
Designing components to minimize raw material costs, speed up fabrication, and limit manufacturing errors.
Developing new concepts or enhancing existing products from initial sketches to detailed specifications.
Transforming ideas and sketches into validated engineering concepts and specifications.
Utilizing in-house 3D printing technology and software to bring designs into physical prototypes quickly.
Creating precise 3D SolidWorks models and detail drawings from existing physical parts and assemblies.
Finite Element Analysis to computationally test products under realistic loads, accelerating development and lowering physical prototyping risk.
Computational simulation to verify structural safety and optimize weight-to-strength ratios before manufacturing.
Design and engineering of heavy lifting equipment and custom below-the-hook lifting devices.
Engineering below-the-hook lifting systems in compliance with ASME B30.20, B30.26, and BTH-1 standards.
Custom tooling solutions designed to improve manufacturing repeatability, accuracy, and labor throughput.
Design of Go-NoGo checking fixtures to verify part tolerances during quality control.
Specialized detailing and drafting for steel structures and architectural elements.
Aviation · Aerospace · Oil & Gas · Manufacturing · Industrial
Aviation · Client: United Airlines
Custom-designed adjustable work platform for routine landing gear maintenance on Boeing 787 Dreamliners, engineered in consultation with aircraft mechanics to adhere to OSHA safety standards and featuring removable handrails, swiveling caster wheels, and coated aluminum construction.
Manufacturing
Optimization of concrete washout tubs using finite element analysis (FEA) stress analysis, engineering calculations, and structural validation to ensure lifting safety and ASME BTH-1:2017 compliance.
Oil & Gas
Design and engineering of a custom below-the-hook lift fixture for a massive oil and gas silo, featuring precise engineering calculations, stress analysis, and ASME compliance.
Manufacturing
Retrofitting of an existing product line of electrical boxes for outdoor use, incorporating water, dust, and shock proofing to meet IP66/67 and MIL-STD-810G environmental standards using rapid prototyping.