Inside an inline-six
Explore a detailed cutaway: six pistons, a counterweighted crankshaft, twin cams and 24 moving valves.
See how.
Understand why.
An encyclopedia you can get your hands on.
Turn the gears. Move the joints. Make it click.
Real things. Interactive explanations. Aha moments.
There’s a “how” in everything.
6 experiments shown
Why gears change everything
Discover the trade between turning speed and turning force.
How ball bearings work
See why the cage turns more slowly than the shaft—and why a ball has two kinds of motion.
Inside a rotary engine
Preview · Open the housing and follow three moving chambers around an orbiting rotor.
A jet engine's energy relay
Preview · Trace the core flow through a compressor, combustor, turbine, and nozzle.
Eight pistons. Four crankpins.
Preview · Open a 90° V8 and follow the two rods sharing each of its four crankpins.
Some things make more sense
when you can play with them.
For anyone who ever took something apart just to see what was inside. That same curiosity, with all the pieces put back.
01
Start with a question.
Big, small, or something you’ve always wondered about.
02
Get your hands on it.
Rotate, take apart, and change the model. See what happens.
03
Find your “aha”.
Connect the moving parts to a simple, memorable explanation.
You don’t have to be an expert.
You just have to be curious.