Is there any formula for the relationship between the number of blades and the rotational speed of the fan.
Is there any formula for the relationship between the number of blades and the rotational speed of the fan.

In viewing through a magnifying glass, one usually positions one's eyes very close to the lens. Does angular magnification change if the eye is moved back?
Last Activity: 2 Months ago

Last Activity: 3 Years ago

Last Activity: 3 Years ago

Last Activity: 3 Years ago

Last Activity: 3 Years ago