When you reduce the pressure to narrow the pattern, shouldn't you reduce speed as well? How many mph or fps should you reduce it by to let's say having a spray width of 7 ft less than the 13 max and still apply the correct amount of product? I'm just wondering...
"The Poor Fish" circa 1930's: The Poor Fish wouldn't have been caught if he'd known enough to keep his fool mouth shut.
"Opportunity is missed by most because it is dressed in overalls and looks like work"- Thomas Edison, businessman/inventor