Talk:Vehicle horn

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Klaxon[edit]

The comments about Klaxon being located in Oldham for 80 years are incorrect. The company was only in the town for around 6 years and before this they were located in Stanmore (after being purchased by the Helma group) and moved from the Birmingham Factory which they had occupied for well over 70 years. The company is now part of another Helma group business located in Manchseter.

The Klaxon traditional horns or hooters were taken over and added to existing signalling products made by Moflash Signalling in around 2005. Moflash are located in the orginal Klaxon factory on the Klaxon Industrial Estate, Warwick Road, Birmingham. The company still produces the ES, KLAXET, A1, K5 and HF8 horns and hooters. - Astonvilla1967 (talk | contribs)‎ 02:19, 12 May 2012‎

Citations[edit]

I could really use citations for this section. Anyone have any ideas?

Horns can be used singly, but are often arranged in pairs to produce an interval consisting of two notes, sounded together; although this only increases the sound output by 3 decibels, the use of two differing frequencies with their beat frequencies and missing fundamental is more perceptible than the use of two horns of identical frequency, particularly in an environment with a high ambient noise level.

--Lansey (talk) 03:38, 8 August 2012 (UTC)[reply]

It was first introduced here. The broken link that cites the typical frequencies is approximately this (alternatively see the catalog), but the website makes no mention of the claim you quoted. I was able to find two papers regarding design of car horns, but they only mention that multiphonic car horns are more car-horn-like than monophonic ones without going into details.

~Conundrumer (talk) 00:19, 7 May 2016 (UTC)[reply]

Trains[edit]

Article stated: "Trains travel at up to 110 MPH and cannot stop in time to avoid hitting obstructions, so they rely on their horns to warn vehicles off crossings."

Which isn't correct: trains travel faster even in the USA. Modern high speed railways typically do not have any level crossings of any sort and rely on physical barriers and high tech safety systems to ensure obstructions are never encountered.

"Trains typically cannot stop in time to avoid hitting obstructions on being seen by the driver, so they rely on their horns to warn of their approach." seems like more accurate wording.

109.151.123.130 (talk) 21:28, 7 September 2013 (UTC)[reply]

Klaxon[edit]

Article claimed, without references, "Klaxons were first fitted to automobiles and bicycles in 1908. Electric klaxons were the first electrical devices to be fitted to private automobiles."

The claim of first cannot be true, since private motor vehicles were commonly powered by spark ignited internal combustion engines (spark ignition requires many electrical devices) while others were purely electrical.

History_of_the_automobile#Internal_combustion_engines states "In 1883, Marcus secured a German patent for a low-voltage ignition system of the magneto type; this was his only automotive patent. This design was used for all further engines, and the four-seat "second Marcus car" of 1888/89."

and History_of_the_automobile#Electric_automobiles

"The Flocken Elektrowagen of 1888 by German inventor Andreas Flocken is regarded as the first real electric car"

Headlamp#Mechanics states "The first electric headlamps were introduced in 1898 on the Columbia Electric Car from the Electric Vehicle Company of Hartford, Connecticut, and were optional." — Preceding unsigned comment added by 109.151.123.130 (talk) 23:04, 7 September 2013 (UTC)[reply]

Also, the Wikipedia page on Lucas Industries states (with a reference):

"In 1902, what by then had become Joseph Lucas Ltd, incorporated in 1898, started making automotive electrical components such as magnetos, alternators, windscreen wipers, horns, lighting, wiring and starter motors."

Automotive_lighting#History states "Dynamos for automobile headlamps were first fitted by 1908"

109.151.123.130 (talk) 22:25, 7 September 2013 (UTC)[reply]

1910 Lucas Horn evidence?[edit]

Where is the evidence for this statement? "Oliver Lucas of Birmingham, England developed a standard electric car horn in 1910".

Lucas filed a patent for his horn in 1942: http://www.google.com/patents/US2351690 230SLfan (talk) 18:17, 7 May 2016 (UTC)[reply]

Sound Clip[edit]

A two- to five-second sound clip of a modern car horn might be useful to this article. Urban Versis 32^KB ⚡ ^{(talk / contribs)} 01:06, 10 January 2023 (UTC)[reply]