--- title: Resource Library | Kevin McWilliams description: Product development and engineering thought pieces, guidance, research, and how-to's for mechanical, electrical, systems, and software. --- # The BES Blog From How To's to engineering best practices and musings. ### Posts by Tag - [Design (9)](https://www.boulderes.com/resource-library/topic/design) - [Design for Manufacture (9)](https://www.boulderes.com/resource-library/topic/design-for-manufacture) - [Testing (8)](https://www.boulderes.com/resource-library/topic/testing) - [Mechanical (7)](https://www.boulderes.com/resource-library/topic/mechanical) - [Mechanical Engineering (7)](https://www.boulderes.com/resource-library/topic/mechanical-engineering) - [Product Development (7)](https://www.boulderes.com/resource-library/topic/product-development) - [DFM (6)](https://www.boulderes.com/resource-library/topic/dfm) - [Prototype (6)](https://www.boulderes.com/resource-library/topic/prototype) - [project management (6)](https://www.boulderes.com/resource-library/topic/project-management) - [electrical (5)](https://www.boulderes.com/resource-library/topic/electrical) - [Embedded (4)](https://www.boulderes.com/resource-library/topic/embedded) - [Machining (4)](https://www.boulderes.com/resource-library/topic/machining) - [Materials (4)](https://www.boulderes.com/resource-library/topic/materials) - [Plastics (4)](https://www.boulderes.com/resource-library/topic/plastics) - [Aircraft Design (3)](https://www.boulderes.com/resource-library/topic/aircraft-design) - [Fatigue (3)](https://www.boulderes.com/resource-library/topic/fatigue) - [Injection Molding (3)](https://www.boulderes.com/resource-library/topic/injection-molding) - [Material Failures (3)](https://www.boulderes.com/resource-library/topic/material-failures) - [Quality Control (3)](https://www.boulderes.com/resource-library/topic/quality-control) - [Software (3)](https://www.boulderes.com/resource-library/topic/software) - [Systems Engineering (3)](https://www.boulderes.com/resource-library/topic/systems-engineering) - [aesthetic (3)](https://www.boulderes.com/resource-library/topic/aesthetic) - [Design For Test (2)](https://www.boulderes.com/resource-library/topic/design-for-test) - [Metal Failure (2)](https://www.boulderes.com/resource-library/topic/metal-failure) - [Metal Fatigue (2)](https://www.boulderes.com/resource-library/topic/metal-fatigue) - [PCB Design (2)](https://www.boulderes.com/resource-library/topic/pcb-design) - [PCBA (2)](https://www.boulderes.com/resource-library/topic/pcba) - [Standards & Certifications (2)](https://www.boulderes.com/resource-library/topic/standards-certifications) - [Test Driven Development (2)](https://www.boulderes.com/resource-library/topic/test-driven-development) - [component selection (2)](https://www.boulderes.com/resource-library/topic/component-selection) - [3D-Print (1)](https://www.boulderes.com/resource-library/topic/3d-print) - [CAD (1)](https://www.boulderes.com/resource-library/topic/cad) - [CNC (1)](https://www.boulderes.com/resource-library/topic/cnc) - [Colorado Companies to Watch (1)](https://www.boulderes.com/resource-library/topic/colorado-companies-to-watch) - [Computer-aided Design (1)](https://www.boulderes.com/resource-library/topic/computer-aided-design) - [Concepting (1)](https://www.boulderes.com/resource-library/topic/concepting) - [DFA (1)](https://www.boulderes.com/resource-library/topic/dfa) - [Design Requirements (1)](https://www.boulderes.com/resource-library/topic/design-requirements) - [Design Specifications (1)](https://www.boulderes.com/resource-library/topic/design-specifications) - [Disk Image (1)](https://www.boulderes.com/resource-library/topic/disk-image) - [Docker (1)](https://www.boulderes.com/resource-library/topic/docker) - [Electromagnetics (1)](https://www.boulderes.com/resource-library/topic/electromagnetics) - [Electronic Protection (1)](https://www.boulderes.com/resource-library/topic/electronic-protection) - [End of life (1)](https://www.boulderes.com/resource-library/topic/end-of-life) - [Engineering Award (1)](https://www.boulderes.com/resource-library/topic/engineering-award) - [Environment (1)](https://www.boulderes.com/resource-library/topic/environment) - [Fabrication (1)](https://www.boulderes.com/resource-library/topic/fabrication) - [Functional Circuit Test (1)](https://www.boulderes.com/resource-library/topic/functional-circuit-test) - [IP Rating (1)](https://www.boulderes.com/resource-library/topic/ip-rating) - [Ideation (1)](https://www.boulderes.com/resource-library/topic/ideation) - [Ingress Protection (1)](https://www.boulderes.com/resource-library/topic/ingress-protection) - [Insider (1)](https://www.boulderes.com/resource-library/topic/insider) - [Licensing (1)](https://www.boulderes.com/resource-library/topic/licensing) - [Metal Forming (1)](https://www.boulderes.com/resource-library/topic/metal-forming) - [Modular Prototyping (1)](https://www.boulderes.com/resource-library/topic/modular-prototyping) - [Onshape (1)](https://www.boulderes.com/resource-library/topic/onshape) - [PCB Layout (1)](https://www.boulderes.com/resource-library/topic/pcb-layout) - [PCB Silkscreen (1)](https://www.boulderes.com/resource-library/topic/pcb-silkscreen) - [Problem Solving (1)](https://www.boulderes.com/resource-library/topic/problem-solving) - [Processing (1)](https://www.boulderes.com/resource-library/topic/processing) - [Product Testing (1)](https://www.boulderes.com/resource-library/topic/product-testing) - [Repositories (1)](https://www.boulderes.com/resource-library/topic/repositories) - [Software Automation (1)](https://www.boulderes.com/resource-library/topic/software-automation) - [Software Comparison (1)](https://www.boulderes.com/resource-library/topic/software-comparison) - [Solidworks (1)](https://www.boulderes.com/resource-library/topic/solidworks) - [Test Engineering (1)](https://www.boulderes.com/resource-library/topic/test-engineering) - [Waterproofing (1)](https://www.boulderes.com/resource-library/topic/waterproofing) - [microcontroller (1)](https://www.boulderes.com/resource-library/topic/microcontroller) - [raspberry pi (1)](https://www.boulderes.com/resource-library/topic/raspberry-pi) [See all](https://www.boulderes.com/resource-library/author/kevin-mcwilliams#) ![](https://www.boulderes.com/hubfs/Boulderes_jan2017/Image/kevin-1.jpg) ### Kevin McWilliams [![Fatigue Life - Part 3](https://www.boulderes.com/hs-fs/hubfs/Feature3.png?width=400&upsize=true&name=Feature3.png) ](https://www.boulderes.com/resource-library/fatigue-life-part-3) [Mechanical Engineering](https://www.boulderes.com/resource-library/topic/mechanical-engineering) [Material Failures](https://www.boulderes.com/resource-library/topic/material-failures) [Aircraft Design](https://www.boulderes.com/resource-library/topic/aircraft-design) [Fatigue](https://www.boulderes.com/resource-library/topic/fatigue) [Metal Fatigue](https://www.boulderes.com/resource-library/topic/metal-fatigue) [Metal Failure](https://www.boulderes.com/resource-library/topic/metal-failure) ##### [Fatigue Life - Part 3](https://www.boulderes.com/resource-library/fatigue-life-part-3) **Fatigue Life - Part 3** **PART III: Design example for Fatigue Life & Conclusions** Given all of the... [ Read More ](https://www.boulderes.com/resource-library/fatigue-life-part-3) [![Fatigue Life - Part 2](https://www.boulderes.com/hs-fs/hubfs/Feature2.jpg?width=400&upsize=true&name=Feature2.jpg) ](https://www.boulderes.com/resource-library/fatigue-life-part-2) [Mechanical Engineering](https://www.boulderes.com/resource-library/topic/mechanical-engineering) [Material Failures](https://www.boulderes.com/resource-library/topic/material-failures) [Aircraft Design](https://www.boulderes.com/resource-library/topic/aircraft-design) [Fatigue](https://www.boulderes.com/resource-library/topic/fatigue) [Metal Fatigue](https://www.boulderes.com/resource-library/topic/metal-fatigue) [Metal Failure](https://www.boulderes.com/resource-library/topic/metal-failure) ##### [Fatigue Life - Part 2](https://www.boulderes.com/resource-library/fatigue-life-part-2) **Fatigue Life - Part 2** **PART II: ****Mechanics of Materials, Fracture Behavior, and S-N Curves** For... [ Read More ](https://www.boulderes.com/resource-library/fatigue-life-part-2) [![Fatigue Life - Part 1](https://www.boulderes.com/hs-fs/hubfs/Feature.jpg?width=400&upsize=true&name=Feature.jpg) ](https://www.boulderes.com/resource-library/fatigue-life-1) [Mechanical Engineering](https://www.boulderes.com/resource-library/topic/mechanical-engineering) [Material Failures](https://www.boulderes.com/resource-library/topic/material-failures) [Aircraft Design](https://www.boulderes.com/resource-library/topic/aircraft-design) [Fatigue](https://www.boulderes.com/resource-library/topic/fatigue) ##### [Fatigue Life - Part 1](https://www.boulderes.com/resource-library/fatigue-life-1) **Fatigue Life - Part 1** **PART I: Introduction, Historical Examples, and Material Science basics** When... [ Read More ](https://www.boulderes.com/resource-library/fatigue-life-1) [![Quality Control: The Power Behind The Throne](https://www.boulderes.com/hs-fs/hubfs/qc_fig2-408811-edited.png?width=400&upsize=true&name=qc_fig2-408811-edited.png) ](https://www.boulderes.com/resource-library/quality-control-the-power-behind-the-throne) [Quality Control](https://www.boulderes.com/resource-library/topic/quality-control) ##### [Quality Control: The Power Behind The Throne](https://www.boulderes.com/resource-library/quality-control-the-power-behind-the-throne) When a product is manufactured, it should perform as designed, and be built exactly as specified... [ Read More ](https://www.boulderes.com/resource-library/quality-control-the-power-behind-the-throne) [![The Non-Linear Nature of Engineering Development](https://www.boulderes.com/hs-fs/hubfs/nonlinear_engineering_cover.jpeg?width=400&upsize=true&name=nonlinear_engineering_cover.jpeg) ](https://www.boulderes.com/resource-library/the-non-linear-nature-of-engineering-development) [project management](https://www.boulderes.com/resource-library/topic/project-management) ##### [The Non-Linear Nature of Engineering Development](https://www.boulderes.com/resource-library/the-non-linear-nature-of-engineering-development) When we talk about engineering and engineers, we often immediately think of wonky-looking... [ Read More ](https://www.boulderes.com/resource-library/the-non-linear-nature-of-engineering-development) [![Project Life Cycle](https://www.boulderes.com/hs-fs/hubfs/committed_life_cycle_costs-466790-edited.png?width=400&upsize=true&name=committed_life_cycle_costs-466790-edited.png) ](https://www.boulderes.com/resource-library/project-life-cycle) [project management](https://www.boulderes.com/resource-library/topic/project-management) [Systems Engineering](https://www.boulderes.com/resource-library/topic/systems-engineering) ##### [Project Life Cycle](https://www.boulderes.com/resource-library/project-life-cycle) # Early definition is critical, changes late in the game are killers. Most things humans build, be... [ Read More ](https://www.boulderes.com/resource-library/project-life-cycle) [![When to Build VS. When To Buy](https://www.boulderes.com/hs-fs/hubfs/decisions-088217-edited.jpeg?width=400&upsize=true&name=decisions-088217-edited.jpeg) ](https://www.boulderes.com/resource-library/when-to-build-vs.-when-to-buy) [project management](https://www.boulderes.com/resource-library/topic/project-management) [Systems Engineering](https://www.boulderes.com/resource-library/topic/systems-engineering) [Design for Manufacture](https://www.boulderes.com/resource-library/topic/design-for-manufacture) ##### [When to Build VS. When To Buy](https://www.boulderes.com/resource-library/when-to-build-vs.-when-to-buy) # The Problem Many modern engineering projects are comprised of a variety of sub-systems which all... [ Read More ](https://www.boulderes.com/resource-library/when-to-build-vs.-when-to-buy) [![The System Is Down](https://www.boulderes.com/hs-fs/hubfs/the_system_is_down.jpeg?width=400&upsize=true&name=the_system_is_down.jpeg) ](https://www.boulderes.com/resource-library/the-system-is-down) [Systems Engineering](https://www.boulderes.com/resource-library/topic/systems-engineering) ##### [The System Is Down](https://www.boulderes.com/resource-library/the-system-is-down) **What Is Systems Engineering And Why Is It Important?** Engineering is a field with many areas of... [ Read More ](https://www.boulderes.com/resource-library/the-system-is-down) [![Instant Feedback](https://www.boulderes.com/hs-fs/hubfs/instant_feedback.jpg?width=400&upsize=true&name=instant_feedback.jpg) ](https://www.boulderes.com/resource-library/instant-feedback) ##### [Instant Feedback](https://www.boulderes.com/resource-library/instant-feedback) The Beauty of Rapid Prototyping for Test-Driven Design In any engineering development project, be... [ Read More ](https://www.boulderes.com/resource-library/instant-feedback)