Guides

Machine Design14 Aug 2026 · 15 min read

Belt Drives and Pulleys: Rating, Selection and Maintenance: The Four Wedge Belt Sections You Need to Know

Engineering handbook for belt drives and pulleys: rating, selection and maintenance, covering understanding your weapons: types of belts, the four wedge belt...

Belt Drives and Pulleys: Rating, Selection and Maintenance: Variable-Speed Sheave and Groove Dimensions

Engineering handbook for belt drives and pulleys: rating, selection and maintenance, covering variable-speed sheave and groove dimensions, other sheave...

Engineering Mathematics14 Aug 2026 · 13 min read

Bilinear Forms and Orthogonality

Handbook guide to bilinear forms and orthogonality, covering definitions, key results, methods, verification checks and worked examples.

Binary Operations, Transformations and Group Axioms

Practical introduction to binary operations, transformations, composition, abstract groups, identity, inverses, associativity and commutativity.

Machine Design14 Aug 2026 · 25 min read

Bolted Joint Design: Preload, Torque and Failure Prevention: A 250,000-Dollar Lesson Stamped Into Steel

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering a 250,000-dollar lesson stamped into steel, why torque is not...

Machine Design14 Aug 2026 · 25 min read

Bolted Joint Design: Preload, Torque and Failure Prevention: Finding Proof Strength ($S_p$)

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering finding proof strength ($s_p$), the core principle, preload for...

Bolted Joint Design: Preload, Torque and Failure Prevention: How to Count Radial Lines

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering how to count radial lines, the metric property class system:...

Bolted Joint Design: Preload, Torque and Failure Prevention: Mechanical Properties and Grade Markings of Nuts

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering mechanical properties and grade markings of nuts, sae j995 nut...

Machine Design14 Aug 2026 · 17 min read

Bolted Joint Design: Preload, Torque and Failure Prevention: Tightening Torque for Gasket Joints

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering tightening torque for gasket joints, flexible gasket joints — the...

Machine Design14 Aug 2026 · 24 min read

Bolted Joint Design: Preload, Torque and Failure Prevention: Why Torque Alone Lies to You

Engineering handbook for bolted joint design: preload, torque and failure prevention, covering context and scope, why torque alone lies to you, current-state...

Branch Points, Non-Uniqueness Points and Cuts

Guide to distinguishing branch points from other continuation ambiguities, choosing cuts and applying the monodromy property to obtain single-valued branches.

Branched Surfaces for Radicals and Composite Functions

Construction rules for branched surfaces under arithmetic, integer powers and root extraction, including sheet identification and packs of root sheets.

Machine Design14 Aug 2026 · 22 min read

British and Legacy Thread Systems: Applying the Table

Engineering handbook for british and legacy thread systems, covering applying the table — the rules, limits and tolerances — bs 3643: part 2 (complete...

British and Legacy Thread Systems: British Standard Square and Hexagon Bolts, Screws, and Nuts

Engineering handbook for british and legacy thread systems, covering british standard square and hexagon bolts, screws, and nuts, the foundation standard: bs...

British and Legacy Thread Systems: Fire Hose NH Thread Limits of Size

Engineering handbook for british and legacy thread systems, covering fire hose nh thread limits of size — internal threads (couplings), nh thread tolerances —...

Machine Design14 Aug 2026 · 24 min read

British and Legacy Thread Systems: ISO Metric Hexagon Slotted Nuts and Castle Nuts

Engineering handbook for british and legacy thread systems, covering iso metric hexagon slotted nuts and castle nuts, nominal lengths and tolerances, iso metric...

Machine Design14 Aug 2026 · 24 min read

British and Legacy Thread Systems: The British Thread Bible

Engineering handbook for british and legacy thread systems, covering the british thread bible: buttress, unified, iso metric, whitworth, and the tolerance system...

Machine Design14 Aug 2026 · 13 min read

British and Legacy Thread Systems: The BSW vs. BSF Quick-Selection Matrix

Engineering handbook for british and legacy thread systems, covering the bsw vs. bsf quick-selection matrix, the tolerance system — understanding how fit is...

British and Legacy Thread Systems: Thread Engagement Categories

Engineering handbook for british and legacy thread systems, covering thread engagement categories — short, normal, long, limits and tolerances — finished...

British and Legacy Thread Systems: Your Next Step

Engineering handbook for british and legacy thread systems, covering your next step, context and scope, why british thread standards exist — and why they still...

CAD14 Aug 2026 · 22 min read

Building Information Modelling: Planning, Coordination and Delivery: The Master Builder Problem You Inherited

Engineering handbook for building information modelling: planning, coordination and delivery, covering how one construction manager's worst day became the...

CAD14 Aug 2026 · 18 min read

Building Information Modelling: Planning, Coordination and Delivery: The Skill Sets Required

Engineering handbook for building information modelling: planning, coordination and delivery, covering the skill sets required, who needs to learn what, the...

Civil & Structural14 Aug 2026 · 23 min read

Building Physics: Heat, Light, Sound and Sustainability: Open-Cycle Cooling

Engineering handbook for building physics: heat, light, sound and sustainability, covering open-cycle cooling: the overlooked alternative, light — the luminous...

Building Physics: Heat, Light, Sound and Sustainability: The Physics That Governs Every Building on Earth

Engineering handbook for building physics: heat, light, sound and sustainability, covering context and scope, heat — the thermal environment, the physics that...

Building Services Engineering Systems Handbook: Fuel Comparison Table

Engineering handbook for building services engineering systems handbook, covering fuel comparison table, natural gas properties, gas combustion equation.

Building Services Engineering Systems Handbook: LIFTS, ESCALATORS, AND TRAVELATORS

Engineering handbook for building services engineering systems handbook, covering lifts, escalators, and travelators — vertical transportation, moving people...

Building Services Engineering Systems Handbook: Lightning Protection

Engineering handbook for building services engineering systems handbook, covering lightning protection, accommodation for building services, making space for the...

Building Services Engineering Systems Handbook: Pipe Sizing

Engineering handbook for building services engineering systems handbook, covering pipe sizing: the mathematics that prevent disasters, pipe sizes, resistances,...

Building Services Engineering Systems Handbook: THE FOUNDATION

Engineering handbook for building services engineering systems handbook, covering the foundation — understanding the building services industry, how the...

Civil & Structural14 Aug 2026 · 21 min read

Building Services Engineering Systems Handbook: Thermal Conductivity of Common Building Materials

Engineering handbook for building services engineering systems handbook, covering thermal conductivity of common building materials, surface and air space...

Building Services Engineering Systems Handbook: Ventilation System Heating Load

Engineering handbook for building services engineering systems handbook, covering ventilation system heating load, air conditioning — precision climate control,...

CAD14 Aug 2026 · 20 min read

Building-Information Modelling Authoring Workflow: Presenting Your Design

Engineering handbook for building-information modelling authoring workflow, covering presenting your design — documents that impress clients, color-coded...

CAD14 Aug 2026 · 22 min read

Building-Information Modelling Authoring Workflow: The Paper Trail That Nearly Broke Architecture

Engineering handbook for building-information modelling authoring workflow, covering how one architect's journey from paper chaos to digital precision can...

CAD14 Aug 2026 · 16 min read

Building-Services CAD: MEP Drafting and Coordination

Engineering handbook for building-services cad: mep drafting and coordination, covering software architecture, workspace and interface, discipline-specific...

Buttress and Special Load-Bearing Threads

Engineering handbook for buttress and special load-bearing threads, covering buttress & other special threads: the complete engineering reference guide, the...

CAD14 Aug 2026 · 6 min read

CAD Motion Studies and Engineering Animation

Engineering handbook for cad motion studies and engineering animation, covering core features, motion study types, types of motion.

Computing & Software14 Aug 2026 · 9 min read

CAD Workstation Selection and Performance Planning

Engineering handbook for cad workstation selection and performance planning, covering what defines a workstation, desktop vs laptop (mobile workstation), mobile...

Machine Design14 Aug 2026 · 22 min read

Cams and Cam-Follower Design: Acceleration Forces

Engineering handbook for cams and cam-follower design, covering acceleration forces, spring forces, pressure angle and friction forces.

Cams and Cam-Follower Design: Engineering Motion from First Principles

Engineering handbook for cams and cam-follower design, covering engineering motion from first principles, what exactly is a cam — and why should you care?, where...

Machine Design14 Aug 2026 · 25 min read

Cams and Cam-Follower Design: Key Symbols and Relationships

Engineering handbook for cams and cam-follower design, covering key symbols and relationships, the four displacement curves that matter most, . constant velocity...

Machine Design14 Aug 2026 · 9 min read

Cams and Cam-Follower Design: Material Selection Decision Logic

Engineering handbook for cams and cam-follower design, covering material selection decision logic, design modification strategies: when the numbers don't work,...

Engineering Mathematics14 Aug 2026 · 13 min read

Cancelling Factors in Algebraic Fractions

Handbook guide to cancelling factors in algebraic fractions, with rules, worked examples, verification, common errors and practical engineering applications.

Categories, Functors and Universal Properties

Category theory focuses on objects, structure-preserving maps and universal constructions. It provides a common language for algebra, topology and geometry without erasing the d…

Engineering Mathematics14 Aug 2026 · 10 min read

Categories, Products, Coproducts and Functors

Handbook guide to categories, products, coproducts and functors with core definitions, structural results, reasoning methods and verification checks.

Engineering Mathematics14 Aug 2026 · 13 min read

Categories, Universal Constructions and Diagrams

Handbook guide to categories, universal constructions and diagrams, covering definitions, key results, methods, verification checks and worked examples.