SOME FYI TIPS:
How to rig trolling flies:
There’s no limit to the number of ways you can rig up for trolling with flies. However, for the sake of helping you start with the most successful setups, we’ll focus on just a few ways to rig up trolling flies that are killer for trout.
Flat line (or long line) trolling is one of the most effective ways to stealthily present a fly to wary trout. The main idea is to get the fly far enough behind the boat so that it won’t spook the fish. This is extremely useful when targeting trout in shallows or the upper reaches of the water column.
Without weight, trolling flies fished 100 feet back stay in the top 3-5 feet of water. Add various weights of lead split shot or an egg sinker to reach 10 to 20 feet at the same distance behind the boat. Some anglers prefer using lead core line when long lining to get the fly into 30 or 40 feet of water.
Rigging up to flat line troll is simple. The basic rig starts with tying a good quality barrel swivel to the main line. You can also use a snap swivel to make changing out flies easier. This is also where you need to decide if you are going to add weight. You can slide on an egg sinker above the swivel or just crimp on a split-shot.
Next, tie on about 36 inches of mono leader to the swivel. Then, slide on your Action Disc, followed by a bobber stop if needed. Now, tie on the fly. Position the disc where you want it by using the bobber stop to keep it in front of the fly.