Powertrain & Mechanical Engineering
Engines, transmissions, electric and hybrid drivetrains, braking, and suspension compared as energy-conversion systems.
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Articles · 8Browser Labs · 1
Read the first step: Gasoline Engines — Spark Ignition, Efficiency, and Electrification →Background and reading guide Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 3 min
Gasoline Engines — Spark Ignition, Efficiency, and Electrification
A practical introduction to four-stroke gasoline engines: Otto-cycle thermodynamics, torque and fuel economy, emissions control, current products, and electrification.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 3 min
Diesel Engines — Compression Ignition, Torque, and Aftertreatment
Diesel-cycle thermodynamics, common-rail injection, torque and fuel consumption, DPF/SCR aftertreatment, current equipment examples, electrification, and safety.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 4 min
Gas Turbines — Brayton Cycle and Combined-Cycle Power
A gas turbine compresses air, burns fuel continuously, and expands the hot gas through turbine stages. This guide covers the Brayton cycle, aircraft and power-generation variants, GTCC, and hydrogen pathways with equations and diagrams.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 4 min
Transmissions — Comparing MT, AT, CVT, and DCT
A transmission matches engine or motor speed and torque to the wheels. This guide compares MT, torque-converter AT, CVT, and DCT mechanisms, losses, shift quality, and control, then explains why EVs often use a single reduction gear.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Browser Labs · Fundamentals · 5 min
Robot reducers: planetary, strain-wave and cycloidal mechanisms
Compare three mechanisms and connect speed, torque and inertia with selection criteria beyond backlash.
Background and reading guide
Rotational speed, torque and mechanical power.
- Articles · Fundamentals · 4 min
EV Powertrains — Motor, Inverter, and Reduction Gear
An EV converts battery DC into three-phase motor power, then sends electromagnetic torque through a reducer and differential to the wheels. This guide compares PMSM and induction motors, regeneration, thermal design, and current integrated platforms.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 4 min
Hybrid Systems — Power Split, Regeneration, and Control
A hybrid coordinates an engine and electric motor through series, parallel, or power-split paths. Using Toyota THS planetary gearing as an example, this guide explains SOC management, regeneration, thermal limits, and control with equations and diagrams.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 7 min
Braking Systems Primer — Disc, Drum, Regeneration, and Brake-by-Wire
Braking is the job of turning kinetic energy into heat or electricity to stop a car. This article covers disc and drum friction and heat dissipation, hydraulic circuits and ABS/ESC, regenerative blending in EVs and HVs, and the state of brake-by-wire, with math and diagrams.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.
- Articles · Fundamentals · 9 min
Suspension Primer — From Springs and Dampers to Geometry and Active Control
Suspension is the mechanism that uses springs and dampers to balance ride comfort with handling stability. This article covers the quarter-car model's basic equations, geometry differences among MacPherson strut, double wishbone, and multi-link designs, active/adaptive damping such as MagneRide and Porsche Active Ride, and the relationship to weight transfer under braking, with math and diagrams.
Background and reading guide
Basic force, motion and energy terminology; use the linked background explanations.