Posted 4/7/2021 09:37 (#8937837 - in reply to #8937345) Subject: RE: What kind of nozzles do you suggest?
Overall, since your boom height is over 30", you'd be wanting to stick with 80° nozzles because of that.
For the nozzles themselves, pretty much depending on your pump pressure capabilities and such, you'd want to keep your pressure swing to adjust for those speed changes based on that as well. If you are talking double your speed, you'd have to quadruple your rate, so you are probably better off with 2 different sets for that kind of speed change to keep things within reason.
For your sizing to look at:
If you were using heavy duty drift reduction 80-02 nozzle, then you'd be pushing roughly 75PSI at 10MPH for an 8GPA rate. That'd let you slow down to like 6.5-7mph if your nozzle is going to be tolerating lower pressures around 40PSI. (Some of the air induction drift reduction nozzles might be starting to get into subpar spray pattern range at like 40PSI or less, so keep that in mind as well)
If you go into the 80-025 size, that'd probably be sized better for you as you are talking 45PSI for normal 10MPH spraying. You can still probably go to the coarser drift reduction side of things, as the nozzle size is small enough that it doesn't get tooo tooo coarse. You'd be looking for something like our MR80-025, which kind of spans primarily COARSE spray quality (or droplet size around the 350-400 microns).
For the 5MPH speed, you might be forced to be looking at an 80-015 nozzle size, as the smaller 80-01 is pretty darn fine regardless what nozzle type you buy. You don't really want 20% of your spray to be drifting, so best you might look at a 80-015 which is 50% larger, so the spray quality can get coarser than an -01 is capable of.
Again, for most of what you are spraying, if you can manage to get one that is into the Coarse spray quality for your pressures, then you'd probably be sorted out. The tough thing is that at 5MPH 8GPA, you are spraying at like 32PSI with an 80-015 nozzle, so make sure your nozzle will put out a proper pattern at that low of a pressure.