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The variable pitch steam whistle at the New York Wire Company in York, Pennsylvania, was entered in the Guinness Book of World Records in 2002 as the loudest steam whistle on record at 124.1dBA from a set distance [clarify] used by Guinness. [84] The York whistle was also measured at 134.1 decibels from a distance of 23-feet. [12]
Train horns are sounded where a whistle post (marked with the letter "S" for siffler – "to whistle") is present. If the whistle post is labelled "J" (meaning jour – "day"), the horn is only to be sounded between 07:00 and 20:00. Horns must also be sounded when passing an oncoming train, and shortly before reaching the last car of the train.
One of two (front and rear) whistles on steam locomotive 60163 Tornado. A train whistle or air whistle (originally referred to as a train trumpet or air trumpet) is an audible signaling device on a steam or gas locomotive, used to warn that the train is approaching, and to communicate with rail workers.
Always used in pairs (one at each end of the train). Early versions were 5,600 kilowatts (7,510 hp) but most have been rebuilt to 7 MW. GE AC6000CW: Union Pacific; CSX; BHP: 600–699, 5000–5016, 6070–6077, 7500-7579 (being overhauled [when?] and renumbered 69xx) General Electric 1996–2001 Diesel-electric Co'Co' 196 tonnes (216 short tons)
Spectrogram of the train sound. The Sea Train is the name given to a sound recorded on March 5, 1997, on the Equatorial Pacific Ocean autonomous hydrophone array. The sound rises to a quasi-steady frequency. According to the NOAA, the origin of the sound is most likely generated by a very large iceberg grounded in the Ross Sea, near Cape Adare. [10
Rail squeal is a sound caused by a train's wheels slipping under specific conditions, usually around sharp curves. [4] Air displacement of a train in a tunnel can create noise from turbulence. Trains also use horns, whistles, bells, and other noise-making devices for both communications and warnings.
English: During the Vietnam war era, the U.S. Navy destroyer USS Higbee (DD-806) had a steam locomotive whistle attached to a port side steam fitting on the main deck amidships. The whistle was used to salute the providing ship following underway replenishment.
Pucker whistling is the most common form in much Western music. Typically, the tongue tip is lowered, often placed behind the lower teeth, and the pitch altered by varying the position of the tongue. Although varying the degree of pucker will change the pitch of a pucker whistle, expert pucker whistlers will generally only make small variations ...