we sometimes run multiple dipsys on Ontario mostly 2 per side but sometimes when fish are aggressive and suspended, 3 per side. heres one way to do it...
like Fishkiller said earlier, NO sharp/abrupt turns! also, I wouldn't use three rods per side under 2.5mph
rod holders 10-12 inches part.
inside rod holder angled down toward water, middle rod holder horizontal to water, outside rod holder one "click" above middle rod holder.
7ft rod for (deep) inside, 8-1/2ft rod in (mid) middle, 10ft rod (high) outside.
inside dipsy 1-setting, middle dipsy 2-setting, outside dipsy 3 setting
takes some practice but you can run these w/o tangles.
these days i use wire on my dipsys, but another way to help minimize tangles is to run wire on inside rod, braid on middle rod and mono on outside rod.
for tight-to-bottom fish like we are seeing on Erie now and/or when slower trolling speeds are needed, there are better methods to get multiple baits down to them