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Error CALCULATOR
(c) 1999 Kerry's Clock Shop Inc.
All rights reserved.
For Online Use Only!

   *Finds the correct Beats Per Hour of any clock and calculate the length of change to the pendulum to accomplish the
     correct  Beats Per Hour

   Enter the Current Beats per hour, the amount of Error in seconds (use a negative (-) number for slow), and the period

   in hours. Press calculate to make the calculations.
 

Example:1 (Clock is fast)

The clock is running at 4859 beats per hour. It has gained 11 minutes (660 seconds) in 15 hours.

Input the current beats per hour 4859
Input the error in seconds +660 (plus for fast)

Input the
period in hours 15

Click Calculate
The correct BPH is
4800
Lengthen the pendulum by .5322 in.

 

Current BPH

Error in sec.(+/-)

Period in hours

Correct BPH

Adjust pendulum

Inches

 

Example:2 (Clock is slow)

The clock is running at 4742 beats per hour. It has lost 11 minutes (-660 seconds) in 15 hours.

Input the current beats per hour 4742.
Input the error in seconds -660 (minus for slow)
Input the
period in hours 15

Click Calculate
The correct BPH is
4800
Shorten the pendulum by .5430 in.