According to Duke Engineering, their axial engine is the most efficient and lightest engine you can put in boats, light aircrafts, and generators—the mechanical engine of the (near) future!

This is the weirdest engine I have ever seen

According to Duke Engineering, their axial engine is the most efficient and lightest engine you can put in boats, light aircrafts, and generators—the mechanical engine of the (near) future!

manual transmission gears diagram

How Manual Transmissions Work

Machinists have a little exercise that was purportedly once used to evaluate an apprentice's competence. It was something like a belt test in Karate, except you'd use a lathe and a mill. The apprentice would be shown the object pictured up top (appropriately called a Turner's Cube), was given no instructions, and asked to crank one out on their own.

Machinists have a little exercise that was purportedly once used to evaluate an apprentice's competence. It was something like a belt test in Karate, except you'd use a lathe and a mill. The apprentice would be shown the object pictured up top (appropriately called a Turner's Cube), was given no instructions, and asked to crank one out on their own.

Slicing Mechanism

Slicing Mechanism

Armstrong Rotary Hydraulic Engine

Armstrong Rotary Hydraulic Engine

Regulable Slider-Crank Mechanism - STEP / IGES - 3D CAD model - GrabCAD

Regulable Slider-Crank Mechanism - STEP / IGES - 3D CAD model - GrabCAD

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