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- Gyn abstract "A gyn is a form of three legged lifting device used on sailing ships. It provides more stability than a derrick or sheers, and requires no rigging for support. However, it can only be used for lifting things directly up and down. Gyns may also be used to support either end of a ropeway.Gyns have also been used on land as part of the equipment to help assist water being pumped out of water wells in the Sinai Peninsula.Two legs, called cheeks, are bound together as in the sheerlegs. The third spar is called the prypole and is fixed under the cheeks. Only four pulleys are required; three as splay tackles and the fourth one as lifting purchase. A timber hitch of six figure-of-eight turns and a finishing clove hitch lash the crutch but not too tight because the cheeks need some room to spread their heels. The cheeks of the gyn are now ready to spread and to be erected, the cheek splay tackle is hauled tight and then the other adjacent splay tackles can be lashed. At the sides, the gyn is unstable and it is crucial that the cargo is not swung out of the base triangle; consequently the gyn is only for lifting cargo vertically.".
- Gyn wikiPageExternalLink Chapter%205%20-%20General%20Rigging.pdf.
- Gyn wikiPageExternalLink specialisations-seamanship.
- Gyn wikiPageID "14619198".
- Gyn wikiPageRevisionID "604403866".
- Gyn hasPhotoCollection Gyn.
- Gyn subject Category:Sailing_rigs_and_rigging.
- Gyn subject Category:Vertical_transport_devices.
- Gyn type Artifact100021939.
- Gyn type Device103183080.
- Gyn type Equipment103294048.
- Gyn type Gear103430959.
- Gyn type Instrumentality103575240.
- Gyn type Object100002684.
- Gyn type PhysicalEntity100001930.
- Gyn type Rig104091097.
- Gyn type SailingRigsAndRigging.
- Gyn type VerticalTransportDevices.
- Gyn type Whole100003553.
- Gyn comment "A gyn is a form of three legged lifting device used on sailing ships. It provides more stability than a derrick or sheers, and requires no rigging for support. However, it can only be used for lifting things directly up and down. Gyns may also be used to support either end of a ropeway.Gyns have also been used on land as part of the equipment to help assist water being pumped out of water wells in the Sinai Peninsula.Two legs, called cheeks, are bound together as in the sheerlegs.".
- Gyn label "Gyn".
- Gyn sameAs m.0cvm0w.
- Gyn sameAs Q5625151.
- Gyn sameAs Q5625151.
- Gyn sameAs Gyn.
- Gyn wasDerivedFrom Gyn?oldid=604403866.
- Gyn isPrimaryTopicOf Gyn.