Typhon (shipbuilding)
The term Typhon refers to an acoustic signaling device that is used in particular as a ship's horn or fog horn . The name goes back to the Swedish engineer Helge Rydberg (1887–1968), who patented the device in 1920 as the “Tyfon”. It is still produced under this brand name by the Swedish manufacturer Kockum Sonics.
With regard to signal generation, a distinction is made between pneumatic and electrical systems. Typhones are divided into four classes, with basic frequencies and sound levels of the sound signals being prescribed depending on the length of the ship ( International Collision Prevention Rules, 1972 (COLREG) - Annex III: Technical details of the sound signal systems).
| class | Ship length | frequency | Sound level | Signal range |
| I. | from 200 m | 70-200 Hz | 143 dB | 2 nm |
| II | 75-199 m | 130-350 Hz | 138 dB | 1.5 nm |
| III | 20-74 m | 250-700 Hz | 130 dB | 1 sm |
| IV | under 20 m | 250-700 Hz | 120 dB | 0.5 nm |
With a length of 12 meters, the supposedly largest ship's horn in the world is said to have been used on Lake Lucerne in Switzerland in 2015 on the occasion of the 750th anniversary of the municipality of Flüelen .
See also
Individual evidence
- ↑ Kockum Sonics: TYFON - the original - TYFON Ship horn - Ship whistle system. Retrieved June 6, 2011 .
- ^ Rules for the prevention of collisions (text of the annex to Section 1 of the Ordinance on the International Regulations of 1972 for the Prevention of Collisions at Sea)
- ↑ Mammut-Schiffshorn defies the storm , Luzerner Zeitung, April 3, 2015