DEEP DIVE WING
DDW-1 Deep Dive Wing - A depressor wing designed to tow equipment
deep with minimum cable length.

Fishers depressor wing for deep water towing.

JW Fishers DDW-1 Deep Dive Wing is a low cost depressor wing designed to tow instrument packages at
deeper depths. Operating on the principle of hydrodynamic depression rather than just weight, depressor
wings overcome the limitations of conventional downrigger systems. The DDW-1 Deep Dive Wing provides a
stable platform for towing instrument packages to greater depths with less cable being deployed.

The design of DDW-1 creates a significant downward force that
overcomes drag and pulls the tow cable downward as the wing moves
through the water. The "dive angle" is determined by the position of
the tow point on the wing which is operator adjustable. Larger
instrument packages have more drag and require a greater dive
angle. Changing the tow point allows different size instrument
packages to be towed to the required depth.

The DDW-1 tows standard instruments such as side scan sonars,
towed video systems, marine magnetometers, and towed underwater
metal detectors. The DDW-1 can tow magnetometers because it does not use ferrous metals in its
construction and therefore has no magnetic signature. The wing can also be used to tow custom underwater
housings containing specialized instruments.

JW Fishers offers a line of low cost
underwater housings that can be towed by the
DDW-1. The housings range from basic
cylindrical tubes with the towpoint in the nose
to be more elaborate configurations with tow
arms and fins for stability. The approximate
internal diameter of the housings are: 2", 3",
4", and 6". Their length can be 1' to 5'. The
rear of the housing has an o-ring sealed, clear
plexiglass faceplate that can be drilled and
tapped for fittings. Standard operating depth
is up to 500' deep. Optional 1,000' depth rated
units are available.

The DDW-1 and underwater housings are
constructed of corrosion proof PVC, urethane,
and stainless steel for many years of troublefree operation. Both the DDW-1 and underwater housings are
covered by a full TWO YEAR WARRANTY.

Key Features of the DDW-1:
It's corrosion proof, rugged construction, and low cost.

Click on a product for details
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