The experimental set up is as shown in Fig. 1 and 2. Using the
adjusting screw on the support rod, the axis of the Maxwell
disk, in the unwound condition, is aligned horizontally. When
winding up, the windings must run inwards.
The winding density should be approximately equal on both
sides. It is essential to watch the first up and down movements
of the disk, since incorrect winding (outwards, crossed
over) will cause the “gyroscope” to break free.
The release switch, the pin of which engages in a hole in the
circumference of the disk, is used to release the disk mechanically
and to start the counter when determining distance and
time. The release switch chould be soadjusted that the disk
does not oscillate or roll after the start. Furthermore, the cord
should always be wound in the same direction for starting.
Measurement of the time t required by the wheel from s Start