More ideas from Jp
Chebyshev's plantigrade machine 1a - YouTube

Input: grey motor making pink and orange crank-shafts rotate regularly at the same velocity thanks to 4 timing belt drives. Pink and orange cranks are parall.

The Wave Pump - This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.

The Wave Pump - This is a wave-driven drainage pump with no moving parts. It can cheaply be made of concrete and may be useful where the sea level is rising.