Pilzanker am Fährhafen - Cuxhaven, Germany - Anchors on Waymarking.com

English

The mushroom anchor is suitable where the seabed is composed of silt or fine sand.t is shaped like an inverted mushroom, the head becoming buried in the silt. A counterweight is often provided at the other end of the shank to lay it down before it becomes buried. A mushroom anchor will normally sink in the silt to the point where it has displaced its own weight in bottom material, thus greatly increasing its holding power. As it can take time for the mushroom anchor to imbed itself into the seabed and achieve its full holding potential, it is often recommended (that if it is to be lifted when it is checked), that the timing of the check be coordinated to follow the stormy part of the season. These anchors are only suitable for a silt or mud bottom, since they rely upon suction and cohesion of the bottom material, which rocky or coarse sand bottoms lack. The holding power of this anchor is at best about ten times its weight when it is buried.

Deutsch

Eine Sonderrolle spielt der Pilzanker, mit dem Feuerschiffe oder Seezeichen für längere Zeit festgemacht werden. Der Pilz Anker ist geeignet, wenn der Meeresgrund aus Schlick und Sand besteht. Er ist geformt wie ein umgekehrter pilzförmiger Kopf. Ein Gegengewicht ist oft am anderen Ende des Schaftes versehen, um ein besseres Eingraben zu gewährleisten. Die Haltekraft von diesem Anker ist im besten Fall das zehnfache seines Gewichtes, wenn der eingegraben ist.

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