TO FIND BUCKET ELEVATOR LEG CAPACITY:
1. DETERMINE BELT SPEED IN FEET PER MINUTE
a. Motor RPM x motor pulley diameter, divided by driven pulley diameter = Input shaft speed to drive.
b. Divide Input shaft speed by Drive reduction ratio (15:1, 25:1, etc.) This gives the head shaft RPM.
c. Multiply the head shaft RPM x head pulley diameter in feet, x
3.1416. This gives the Belt speed in feet per minute.
2. FIND THE NUMBER OF CUPS FILLED IN ONE MINUTE:
a. Multiply feet per minute of belt speed x 12”, divided by cup spacing in inches.
b. Find cup capacity from Manufacturer’s chart in cubic feet.
Use water level + 10% or 75% of gross cup capacity.
c. Multiply cups filled per minute x cup capacity in cubic ft. This gives capacity of leg in one minute. Multiply result x 60 minutes
for hourly capacity in cubic feet.
d. For Bushels per hour, multiply cubic ft. per hour x .8
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