Engineering writeups on combustion physics, simulator internals, and the decisions behind the sandbox.

Compressor stall is blade-passage flow separation, often local or rotating; surge is a system-wide oscillation. Learn the map, causes, and protection.
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A jet engine starts by spinning its compressor, adding ignition and fuel, then accelerating to governed idle. Here is the sequence and failure modes.
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Vapor lock interrupts liquid-fuel delivery when heat and low pressure create bubbles. Learn the symptoms, causes, diagnosis, and safe prevention.
Read post →The Otto cycle is the thermodynamic blueprint every gasoline engine follows: four strokes, two isentropic processes, two constant-volume heat exchanges. Here's how efficiency, compression ratio, and knock connect.
Read post →LLMs like ChatGPT, Claude, and Gemini can't run an engine — but AI is already deep inside one. Where machine learning actually lives, and where LLMs help.
Read post →A four-stroke engine turns exploding fuel into smooth rotation in four steps — intake, compression, power, exhaust. Here's what happens in each stroke.
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Jets breathe air; rockets carry their own oxygen. That one difference decides thrust, efficiency, and top speed. The full comparison, with real numbers.
Read post →Engine knock is fuel detonating before the flame front arrives — a metallic ping that hammers pistons. What causes knock, what it damages, and how to stop it.
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