waterwheels

Stream-powered rotating discs

Waterwheels is the plural of waterwheel, a large wheel turned by flowing or falling water to generate power.

For centuries, waterwheels drove mills for grinding grain, sawing lumber, and other mechanical work: The old waterwheels along the river have been restored as historical landmarks.

They represent an early form of renewable energy, largely replaced by turbines.

mechanical

millrace

Channel driving water wheels

axle · rotation · gears · shaft · bearings · hub · spokes · rim · cogs · turbine

renewable

hydropower

Electricity from flowing currents

off-grid · run-of-river · green · kinetic · current · flow · capacity · kilowatt · alternator · inverter

milling

gristmill

Building for grinding grain

grinding · sawmill · lumber · fulling · textile · hammer · forge · cornmill · hopper · chute

heritage

restoration

Returning something to condition

landmark · tourism · craft · traditional · artisan · demonstration · conservation · vernacular · working · antique

irrigation

Persian

Of or from Iran

  • liftMechanism for vertical transport
  • scoopFirst-reported story
  • troughOpen container for animal feed

aqueduct · channel · field · agriculture · flooding · diversion · shaduf · tambour · terrace · paddy

Categories
Opposites
power source

waterwheelswindmills

Rotating vaned power structures

wind turbines · solar panels · steam engines · treadwheels · internal combustion engines

technological era

waterwheelselectric generators

Machines producing electrical current

fusion reactors · gas turbines · nuclear reactors · nuclear power plants · power plants

Family

waterwheel

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G