SMA 800-TRL30NS Owner's Manual page 10

Based on the minimum overlap required to obtain uniform distribution with 120° tips and 40" spacing.
Suggested Minimum Spray Height: 18"-20" above what is being sprayed (to plant, not ground).
Optimum Spray Height: 39"
Wide angle spray nozzle height is influenced by nozzle orientation. The critical factor is to achieve a minimum 30% overlap.
Page 10
Exploded View Parts List: Boom Assembly (5281003)
Hinge Detail
Opposite side has typical setup

Excellent spray distribution for uniform coverage
along the boom.

Nozzle design incorporates a pre-orifice to pro-
duce larger droplets for less drift.