{{ImageMetaTableBildinformationen|Beschreibung=Flaschenzug über zwei Rollen|Urheber=César Rincón|Herausgeber=commons.wikimedia.org|Quelle={{ImageMetaSource|QuelleQuelleUrl=https://commons.wikimedia.org/wiki/File:Polispasto4.jpg}}|LizenzQuelleText={{ImageMetaLicense|URLLizenzUrl=https://creativecommons.org/licenses/by-sa/3.0/deed.en|LizenzLizenzText=CC BY-SA 3.0}}|Originaltitel=Polispasto4A double tackle has two pulleys in both the fixed and moving blocks with four rope parts dividing the load of 100N.jpgThe mechanical advantage is 4, requiring a force of only 25N to lift the load|Bearbeitung=Wiener Bildungsserver|GeoLand=|GeoRegion=|GeoGPSNorth=|GeoGPSEast=|Sonstiges=}}