Some articles on mast, masts:
Trailer Sailer - Rigs
... The rig is the mast and stays or rigging to keep it in place ... On pure racing boats light tall whippy masts are used but these require running backstays to keep them up, which must be changed each time a boat tacks or jibes ... Flexible masts can be bent to unload air and maintain drive ...
... The rig is the mast and stays or rigging to keep it in place ... On pure racing boats light tall whippy masts are used but these require running backstays to keep them up, which must be changed each time a boat tacks or jibes ... Flexible masts can be bent to unload air and maintain drive ...
Lattice Mast - Use in The United States Navy
... up to the Colorado-class battleships were equipped with lattice masts, although in the 1920s to 1930s, the older battleships had their lattice masts replaced with more modern tripod masts ... The newer Tennessee and Colorado classes retained their original lattice masts at the start of World War II ...
... up to the Colorado-class battleships were equipped with lattice masts, although in the 1920s to 1930s, the older battleships had their lattice masts replaced with more modern tripod masts ... The newer Tennessee and Colorado classes retained their original lattice masts at the start of World War II ...
Lattice Mast - Use in The Russian Navy
... The two Andrei Pervozvanny-class battleships had lattice masts until they were replaced with conventional masts in the beginning of the First World War ... The four Gangut-class battleships were designed with lattice masts, but constructed with conical ones ...
... The two Andrei Pervozvanny-class battleships had lattice masts until they were replaced with conventional masts in the beginning of the First World War ... The four Gangut-class battleships were designed with lattice masts, but constructed with conical ones ...
Portuguese Discoveries - Portuguese Nautical Science - Ships
... These boats were small and fragile, with only one mast with a fixed quadrangular sail and did not have the capabilities to overcome the navigational ... navigate, with a tonnage of 50 to 160 tons and 1 to 3 masts, with lateen triangular sails allowing luffing ... the 16th century, having usually two decks, stern castles fore and aft, two to four masts with overlapping sails ...
... These boats were small and fragile, with only one mast with a fixed quadrangular sail and did not have the capabilities to overcome the navigational ... navigate, with a tonnage of 50 to 160 tons and 1 to 3 masts, with lateen triangular sails allowing luffing ... the 16th century, having usually two decks, stern castles fore and aft, two to four masts with overlapping sails ...
List Of Catastrophic Collapses Of Radio Masts And Towers
... This is a list of catastrophic collapses of radio masts and towers ... Masts and towers can collapse as a result of natural disasters, such as storms and fires from engineering defects and from accidents or sabotage ...
... This is a list of catastrophic collapses of radio masts and towers ... Masts and towers can collapse as a result of natural disasters, such as storms and fires from engineering defects and from accidents or sabotage ...
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