Bucket Elevator Calculators & Guides

Need to figure bucket elevator details, like FPM, RPM, leg length, belt speeds and more? You’re in the right place! Use the calculators and tables below as your guides. Contact Sudenga Industries if you have further questions about your elevator leg system setup.

BACK TO BUCKET ELEVATORS

Your go-to resource for bucket elevator related online calculators, quick reference guides, and more. (Quickly figure FPM, RPM, spouting weights, etc.) A lot goes into building and figuring the specifics for your elevator leg system…we’re here to help!

SUDENGA LEG SELECTOR

Not sure which leg is right for you? Just enter a leg height, capacity, and commodity.

CAPACITY CALCULATOR

Bucket elevator capacity calculator. For bushels per hour and cubit feet per hour.

Bushels Per Hour Cubic Feet Per Hour
Gross
Net

FPM

Calculate bucket elevator belt FPM (feet per minute) by entering your information into the online calculator below.

Result:

RPM

Calculate a bucket elevator’s head pulley RPM by entering your information into the online calculator below.

Result:

PULLEY DIAMETERS & BELT SPEEDS

This table is provided as a general reference only and does not mean all products will properly discharge over the entire speed range. Confirm all specifications based on your materials at time of order.

Bucket Projection
(Inches)
Head Pulley Dia.
(Inches)

Head Pulley Circ.
(Feet)

Speeds
RPM FPM
MIN MAX MIN MAX
3 8 2.09 85 170 178 356
3 10 2.62 85 170 223 445
3,4 12 3.14 75 145 236 456
3,4 14 3.67 65 120 238 440
3,4 16 4.19 55 100 230 419
3,4,5 18 4.71 55 90 259 424
3,4,5 20 5.24 55 85 288 445
3,4,5 22 5.76 55 85 288 445
4,5,6 24 6.28 42 80 264 503
4,5,6 30 7.85 42 80 330 628
5,6,7 36 9.42 42 80 396 754
5,6,7 42 11 40 70 440 770
6,7,8 48 12.57 40 65 503 817
6,7,8 54 14.14 40 65 566 919
6,7,8 60 15.71 40 60 628 942
7,8 72 18.85 40 55 754 1037
7,8 84 22 34 50 748 1100
7,8 96 25.13 30 45 754 1131

ROUND SPOUTING CAPACITIES

For general reference only. Confirm capacites at time of order as capacities may vary. Figures are based on 70 bushels per square inch with corn, soybeans and wheat and spouting at 40 degrees or greater. Wet corn should be spouted at no less than 45 degrees and capacities do not apply.

Diameter Sq. Inches BPH
6″ 28.3 1,500
8″ 50.3 3,500
10″ 78.5 5,500
12″ 113.1 8,000
14″ 154.0 10,500
16″ 201.1 14,000
18″ 254.5 18,000
20″ 314.2 22,000
22″ 380.1 27,000
24″ 452.3 32,000
26″ 530.9 37,000

ROUND SPOUTING WEIGHTS (LBS PER FOOT)

Confirm all weights at time of order.

O.D. Size 14 Ga. 12 Ga. 11 Ga. 10 Ga. 7 Ga. 1/4″ Wall
4″ 3.2 4.5   5.7    
5″ 4.0 5.6   7.2    
6″ 4.8 6.8   8.6 11.6 15.3
6 5/8″       9.6    
7″   7.9   10.1    
8″ 6.5 9.0 10.3 11.6 15.6 20.7
8 5/8″       12.1 16.9  
10″   11.3 12.8 14.5 19.7 26.0
10 3/4″       15.6 21.2  
12″   13.6   17.5 23.7 31.4
12 3/4″       18.6 25.2  
14″   15.9   20.4 27.7 36.7
16″   18.2   23.4 31.7 42.1
18″           48.0
20″           53.0
24″           64.0