Heres what I'm spraying now.
110 gallon tank, 5th gear, 1500 rpm, 40 psi. 227 feet covered in 35 seconds. 24oz per head in 35 seconds.
96 oz grazon, 64oz 2,4-d, 48 oz topsurf ( surfactant ) per tankful
24 gallons solution per acre. 4.5 acres per tankfull.
$34.24 per tank, or $7.60 per acre...