EngineeringHulkAutomobile Engineering
How vehicles work: engines, transmission, brakes, steering and suspension.
Check Engine Light Flashing: What It Means, Causes and What to Do Now
A flashing check engine light signals a serious engine problem, unlike a steady light. What it means, the common causes, whether you can keep driving and what to do strai
How Tyres Affect Vehicle Performance: Rolling Resistance, Grip, Braking and Fuel Economy
How tyres affect vehicle and engine performance: rolling resistance, fuel use, grip, braking distance, pressure, tread depth, labels and when to replace.
Chassis Frame: Definition, Types of Chassis and Materials
Types of chassis explained: ladder, monocoque, backbone, tubular, perimeter, X-frame, platform and EV skateboard, with materials and a rigidity table.
Parts of a Car Transmission: Every Component in the Power Path
Every part of a car transmission explained: clutch, gearbox shafts, selector, propeller shaft, final drive, differential and axles, plus gear ratio maths.
What Is a Clutch? Parts, Working and Types of Clutches
A clutch connects and disconnects the engine from the gearbox. Clutch parts, how it works, 8 types (single-plate, multi-plate, cone, centrifugal) and faults.
Types of Gears: Classification, Comparison and Applications
Types of gears by shaft layout: spur, helical, herringbone, rack, bevel, worm, hypoid and crossed helical, with efficiency table, uses and worked examples.
Components of the Internal Combustion Engine (IC Engine): Parts, Functions and Materials
Main components of an IC engine with function and material of each: block, head, piston, rings, connecting rod, crankshaft, valves, plus worked examples.
Battery Charging Methods in Automobiles: How a Car Battery Is Charged
What charges a car battery, and how workshops charge one: constant current, constant voltage, 3-stage smart, trickle, boost and equalising, worked example.
Lead Acid Battery in Automobiles: Construction, Working and Types
Lead acid battery construction explained part by part: plates, grids, separators, electrolyte, cell chemistry, SMF/AGM/EFB types, ratings and a worked example.
Alternator in Automobile Engineering: Parts, Working, Voltage Regulation and Testing
How a car alternator works: claw-pole rotor, stator, diode rectifier and regulator, output vs speed, a pulley and belt-load worked example, and testing.
Dynamo in Automobile Engineering: Construction, Working, Control Box and Dynamo vs Alternator
Automobile dynamo meaning, construction for a diagram, working, cut-out and regulator, a worked EMF example, and a clear dynamo vs alternator comparison.
Bendix Drive in a Starter Motor: Working, Construction and Modern Alternatives
How a Bendix drive engages and throws out the starter pinion, its parts and failure modes, plus inertia vs pre-engaged starter drives compared.