Looking at the charts, with 35 psi using 1.5 nozzle I will have a spray radius of 34'. The flow rate is 1.35 gpm with a precipitation rate of .22 in/h. Using the 1.5 nozzle with 5 heads I would only be using 6.75gpm. That is half of what my gpm flow rate is. Do you think 5 heads per zone still be the way to go. Also I am planning to use poly pipe it looks like 11/4" has a lot less friction loss would you use 1 1/4" or stick to 1". Thanks for the help
I am wanting to know how many heads would be optimal to use based on gpm and psi. My psi is about 50 and 16 gpm. I am considering using rainbird 5000 series rotors. My design is for 30' spacing for head to head coverage. MY Rainbird design calls for 8-10 rotors per zone but, talking to local landscapers they use only 4-5 rotor heads per zone. What do you think. Thanks
