Hi Jim --

We all had to start at the beginning.

The period is the time it takes the boom to move from one side, through the
rest position to the other side, and back to its starting point.

Karl


At 11:31 PM 1/9/2000 -0500, you wrote:
>Thanks to Jim and Kevin,  I now have a Lehman boom that is beginning to
>behave correctly.  Thank you both for you help.
>
>In measuring the 'period' of the boom,  is this the measurement of time it
>takes the boom to swing "out and back", when pushed,  or the time it takes
>for the oscillations to die out completely?  If I manually deflect the boom
>~1" off of center,  is the period the time it takes the boom to come back to
>center,  or the time it takes the boom to move out to one side and then
>back past center to the other side?


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