Drogues - Delta Speed Limiting Drogue - 36" - Sea Anchors & Drogues - Safety


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Downwind Marine Inc - Safety - Sea Anchors & Drogues - Drogues - Delta Speed Limiting Drogue - 36"

Drogues - Delta Speed Limiting Drogue - 36"

PARA TECH

Drogues - Delta Speed Limiting Drogue - 36" - For boats up to 25' LOA

A speed-limiting drogue is towed off the stern. Its purpose is to (a) limit the boat's speed, (b) reduce her angle of yaw and (c) to provide for steering assist in strong following seas. You can, and may have to, steer the boat with the drogue in tow. There is a "Catch 22" with any speed limiting drogue: The same low pull that allows for steering control may also allow the boat to broach, capsize and/or pitchpole in the heaviest seas. The forces that pitchpole yachts are formidable enough to yank the drogue through the water in the course of throwing the boat end-over-end. Sailors should be aware of this "Catch 22" and make allowances for it in the course of their decisions at sea.
WARNING: In all likelihood the insufficient drag of a speed-limiting drogue will not prevent pitchpole in the heaviest storms, especially those packing ESW's (Extreme Storm Waves), rogues and "Three Sisters" type developments.

Design & Construction:
The PARA-TECH DELTA Drogue uses the "guide surface principle". The design is a triangular "Delta" shape that provides strong uniform flow separation at all leading edges. Shape retention is achieved by the pressure of the water inside (similar to the "Ballute" drogues used in aerospace applications). The relatively small mouth at the leading edge makes it extremely unlikely that one will get turned inside out (a problem associated with large cones and small parachute drogues). Also, the three ears of the DELTA Drogue have the effect of increasing the Drogue's drag as speed increases.

The PARA-TECH DELTA Drogue is extremely simple in design and construction. So simple that it is made from heavy duty vinyl coated material.

For boat size up to 25 ft. LOA
Stowed Dimensions: 12" X 6" X 4"

Details


Downwind #	00709683
Weight	2.00 lbs
Units	EA
Price:	$147.42

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