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Deep Lessons

High-quality, simulator-connected explanations that turn book knowledge into intuition and skill. Start the full progressive path at /from-scratch.

LEVEL 1
Foundations

Newton’s laws, momentum, energy, and forces. Pure intuition with live visuals — no equations required yet.

The Rocket Equation: Why Mass Ratio Rules Everything
35 min • fundamentals, rocket-equation, sutton
The rocket equation is the single most important relationship in astronautics. It tells you, with brutal honesty, exactly how much velocity change (Δv) you can buy with a given veh...
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LEVEL 2
Rocket Equation & Basic Performance

The single most important equation in rocketry. Mass ratio, Isp, Δv. Why rockets are 90% propellant.

Nozzle Theory: Turning Heat into Speed
45 min • propulsion, nozzle, sutton
A rocket nozzle is the most elegant thermodynamic machine ever built. It takes random, high-pressure, high-temperature gas motion inside the combustion chamber and turns it into an...
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Airfoil Fundamentals: How Wings (and Fins) Create Lift
50 min • aerodynamics, airfoil, anderson
Lift on a wing is not primarily 'the air on top has farther to go so it goes faster.' That story is a useful approximation at best and actively misleading at worst. The real mecha...
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Compressible Flow: Shocks, Expansions, and Supersonic Magic
55 min • aerodynamics, compressible, anderson
Below roughly Mach 0.3, air behaves as if it has constant density. Once the flow approaches or exceeds the speed of sound, density changes become first-order effects and the entire...
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LEVEL 3
Propulsion (Nozzles + Propellants)

How we actually generate high-speed exhaust. Nozzle design, choked flow, real propellant performance.

Nozzle Theory: Turning Heat into Speed
45 min • propulsion, nozzle, sutton
A rocket nozzle is the most elegant thermodynamic machine ever built. It takes random, high-pressure, high-temperature gas motion inside the combustion chamber and turns it into an...
Open lesson →
Airfoil Fundamentals: How Wings (and Fins) Create Lift
50 min • aerodynamics, airfoil, anderson
Lift on a wing is not primarily 'the air on top has farther to go so it goes faster.' That story is a useful approximation at best and actively misleading at worst. The real mecha...
Open lesson →
Compressible Flow: Shocks, Expansions, and Supersonic Magic
55 min • aerodynamics, compressible, anderson
Below roughly Mach 0.3, air behaves as if it has constant density. Once the flow approaches or exceeds the speed of sound, density changes become first-order effects and the entire...
Open lesson →
LEVEL 4
Aerodynamics for Rockets

Drag, lift, stability. How the atmosphere fights (and sometimes helps) your rocket. Thin airfoils to finite wings + compressible effects.

Nozzle Theory: Turning Heat into Speed
45 min • propulsion, nozzle, sutton
A rocket nozzle is the most elegant thermodynamic machine ever built. It takes random, high-pressure, high-temperature gas motion inside the combustion chamber and turns it into an...
Open lesson →
Airfoil Fundamentals: How Wings (and Fins) Create Lift
50 min • aerodynamics, airfoil, anderson
Lift on a wing is not primarily 'the air on top has farther to go so it goes faster.' That story is a useful approximation at best and actively misleading at worst. The real mecha...
Open lesson →
Compressible Flow: Shocks, Expansions, and Supersonic Magic
55 min • aerodynamics, compressible, anderson
Below roughly Mach 0.3, air behaves as if it has constant density. Once the flow approaches or exceeds the speed of sound, density changes become first-order effects and the entire...
Open lesson →
LEVEL 5
Staging & Vehicle Design

Why we stage. Mass budgets, structural ratios, engine trade studies. Connecting propulsion numbers to real vehicle sizing.

Lessons for this level coming soon as we ingest more books.
LEVEL 6
Trajectories, Gravity & Orbits

Gravity losses, drag losses, steering. How to get to orbit (and back). Simple numerical integration of the equations of motion.

Lessons for this level coming soon as we ingest more books.
LEVEL 7
Mission Design & Rocket Forge Capstone

Put it all together. Design a complete vehicle for a real mission profile. The ultimate test of everything learned.

Lessons for this level coming soon as we ingest more books.
More lessons will be added as we systematically process the SPACE BOOKS collection (Astrodynamics, SMAD, NASA Handbook, etc.). Each lesson follows the strict Phase 4.5 template (generation prompts are never shown to users).