Dennis....
I use only 2 flags at any distance. I set them up so the distances represent equal zones of influence. I like to make it simple. I want to be able to accurately process the information in front of me very quickly. For me, too many flags is too much information.
The part that you need to picture is that the same wind pressure at the muzzle will push the pellet off course more than it will at the target. The easiest way to comprehend these effects is to picture (or actually use) a leaf blower just in front of the muzzle and one just in front of the target. The blower at the muzzle will slightly change the angle of the pellets course while it still has 25m to go. A small deviation at the muzzle results in a large one at the target. The blower at the target will change the angle the same...but the pellet only has a few inches more to travel at this new deviated angle so the net result is almost zero.
I set my 2 flags at 13ft and 54ft. That gives equal zones of influence at 25m.
It appears that you are using sail tails. Those are good at giving wind velocity information...but they are not very useful in switchy wind environments. A survey tape tail up higher on your flag in conjunction with the sail tail will help you get more real time info on switches. Flags are slow to turn around. In switchy winds...you will hear guys complaining all the time that the flags were pointing one way, and the pellet went the other. Flags are behind the real time info by a few seconds. The direction they are showing is the direction of the wind a few seconds ago. Light survey tape tails will tuck or curl the very ends as a switch happens. If you have the light tail up top....it won’t get hung up in the heavier one.
You will have to rebalance your flags after adding another tail. If you balance the flag evenly...it will be twitchy. If you balance it a little tail heavy it will be pretty steady.
Mike
