This ARP specifies those requirements of balancing equipment which make it suitable for the subject class of work.

It specifies:

1. a
   Sensitivity
2. b
   Accuracy of indication of amount and angle of unbalance.
3. c
   Ability to measure static unbalance unaffected by couple unbalance.
4. d
   Machine capacity relating to weight and physical dimensions of the rotors which can be balanced.
5. e
   Balancing speed of rotation.
6. f
   Standard balancing machine drive adapter flange dimensions.
7. g
   Power requirements.