Rule of Thumb  1/2 Pound per HP 1 Motor            
Motor 1-Hr 2-Hr 3-Hr 4-Hr 5-Hr 6-Hr 7-Hr 8-Hr 9-Hr 10-Hr 11-Hr 12-Hr
25-HP 12.5 25 37.5 50 62.5 75 87.5 100 113 125 138 150
   
50-HP 25 50 75 100 125 150 175 200 225 250 275 300
   
60-HP 30 60 90 120 150 180 210 240 270 300 330 360
  4-Motors at 60-HP                      
  120# 240# 360# 480# 600# 720# 840# 960# 1080# 1200# 1320# 1440#
                         
  2-Motors at 25-HP                      
                         
  50# 100# 150# 200# 250# 300# 350# 400# 450# 500# 550# 600#
                         
NOTE: One Drum of S-170 Shot weighs 2000 Pounds              
   
  The Shot in the Machine must contain  NEW and OLD Shot plus Dust from the blasting to work  
   
  The dust that goes through the Dust Collector Drum should have Aprox 95% Dust and 5% Shot  
                         
John Dinnella 2015