It's the engine that makes the propeller go fast, not the number of blades.
More blades on a fan can contribute to quieter operation, but it's not a strict rule. Generally, fans with more blades can move air more efficiently at lower speeds, which can reduce noise. However, other factors like blade shape, motor quality, and fan design also play significant roles in determining the overall noise level. Ultimately, a well-designed fan with fewer blades can be quieter than a poorly designed one with more blades.
The hub is where the blades connect. From here the blades are turned and the rotational power is transferred (maybe through a drive-shaft and gearbox) to a generator where electricity is generated.
It is what attaches the shroud to the turbine blades
Superheated steam.
A windmill's generator is usually behind the blades of the fan.
the big blades
modern wind turbines are only about 30% efficient
Charls F. Brush invented wind turbines in 1888.
your mom lol
The first windmills had wooden blades that were around 10-15 feet long, and they typically had four blades. These early windmills were used for pumping water and grinding grains.
One 1 kW wind turbine.
Let's Big Happy - 2012 The Gay Blades 1-2 was released on: USA: 29 March 2012
1 wind turbine can generate 500 houses per year (kw)
A Helicopter - the number of blades is irrelevant. On a side note - what keeps a helicopter in the air? It's so ugly the earth repels it!
Gearless is better because of the loss of energie in de gearbox.
much bigger, like 3 times more