Hadley Pendulum at Colorado State University
N 40° 34.521 W 105° 04.953
13T E 493013 N 4491621
This pendulum is located in the physics building at Colorado State University.
Waymark Code: WMYNG
Location: Colorado, United States
Date Posted: 11/14/2006
Views: 69
The Hadley Pendulum is a Foucault Pendulum named in honor of Professor Emeritus Lawrence Hadley, who originally joined the CSU (then Colorado Agricultural and Mechanical College) Physics faculty in 1947, departed for a few years, and then returned in 1955 and has remained a CSU faculty member ever since. He served as Chairman of the department from 1965 to 1968.
This particular pendulum has a period of about 5 seconds. The mass of the polished steel bob is about 270 pounds. In order to keep the pendulum swinging, there is an actively controlled electromagnetic drive located near the top of the cable. The observed precession rate of the pendulum is very close to the theoretically expected value of 9.76 degrees/hour.
Credits for design, construction, and installation of the Hadley Pendulum go to Dave Warner, Jay Jablonski, and Bob Adame.
(All text for this waymark was copied from the Department of Physics at Colorado State University website.)
For more information on this pendulum go to this website:http://www.physics.colostate.edu/hadley_html. This website also has links for three different webcams so you can see the pendulum swinging from three different angles.
Weight of the ball: 270
Length: 25
Material: polished steel
Period of oscillation: 5
Admission Cost: 0.00 (listed in local currency)
Rotation time: Not Listed
Hours of Operation: Not listed
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