Seed Hawk Ground Drive 2010 Calibration Guide - Manual (Page 13)

Seed Hawk
®
Manual Calibration Guide
12
Example 1
:
Target Rate: 135 lb/ac
Cal Weight: 3.5 lb/rev
Acres Applied (A): 8 acres
Weight of Product Used :
(Density of product (lb/cu.ft) x Volume of Product Used (cu.ft)
1160lbs
Actual Rate
=
𝑊𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑃𝑟𝑜𝑑𝑢𝑐𝑡 𝑈𝑠𝑒𝑑
𝐴𝑐𝑟𝑒𝑠 𝐴𝑝𝑝𝑙𝑖𝑒𝑑
=
1160
8
=
Actual Rate: 145 lb/ac
Correction Factor =
𝐴𝑐𝑡𝑢𝑎𝑙 𝑅𝑎𝑡𝑒
𝑇𝑎𝑟𝑔𝑒𝑡 𝑅𝑎𝑡𝑒
=
145
135
=
Correction Factor (CF) = 1.074
Adjust Cal Weight
𝐶𝑎𝑙. 𝑊𝑒𝑖𝑔ℎ𝑡 × 𝐶𝑜𝑟𝑟𝑒𝑐𝑡𝑖𝑜𝑛 𝐹𝑎𝑐𝑡𝑜𝑟 = 3.5 × 1.074 =
=
New Cal Weight: 3.76 lb/rev