This little snippet will assist in calculating critical numbers for building a star tracker (aka "barn door" or "hinge" tracker).
Instructions: Fill in any 3 of the 4 values below and click "Calculate". The fourth value will be displayed.
To recalculate, clear the value you want computed and change the other three.
To recalculate, clear the value you want computed and change the other three.
Motor speed (RPM - Revolutions per minute)
Drive rod thread pitch (Threads/inch or Threads/mm)
Gear ratio (motor gear teeth / drive gear teeth)
Distance from hinge pin center to drive rod center (inches or mm)
