Blowback
Blowback
Simply stated, blowback is what happens to the downrigger weight when you pull it through the water behind your boat. As your speed increases, so does the horizontal distance between the weight and your downrigger. The faster you go, the farther the weight is behind you. The farther the weight is behind you, the shallower the weight is.
The following charts provide you with blowback information for three sizes of Cannon downrigger weights pulled at three different speeds with no lures attached and with no current. Current drag, water salinity and the use of
As an example, the first chart shows that if you are trolling at 4 MPH with an 8 pound weight and you have 100 FT. of cable in the water with no current; the downrigger ball is actually at a depth of about 80 FT.
Blowback Charts
| ||
Actual | 2 MPH | |
4 MPH | ||
Depth | ||
6 MPH | ||
of Weight (ft.) | ||
| ||
| Amount of Cable in Water (ft.) | |
| ||
| 2 MPH | |
ActualDepth | 4 MPH | |
6 MPH | ||
of Weight (ft.) |
| |
| Amount of Cable in Water (ft.) | |
| ||
ActualDepth | 2 MPH | |
6 MPH | ||
| 4 MPH | |
of Weight (ft.) |
|
12
Amount of Cable in Water (ft.)