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Who is NAVEENKUMAR
- Hi, please avoid adding links to your own sites to Wikipedia. See the conflict of interest guideline for more information. - MrOllie (talk) 21:21, 29 November 2008 (UTC)
This article is written as a howto, and misses the important information an encyclopedia should have on the sport and breathing apparatus. E.g., when/how/etc. was it invented, how did the apparatus develop, how popular is the sport (really), etc. Superm401 - Talk 08:42, 13 April 2008 (UTC)
- I'm also interested in seeing the history of the snorkel, if anyone can contribute it. I recently heard about snorkels on German U-boats and was wondering if that's how they were invented: http://www.uboataces.com/snorkel.shtml 220.127.116.11 (talk) 19:22, 11 December 2010 (UTC)
- It seems that the idea of a snorkel, made from a hollow reed, dates back over 2,000 years. The story of Scyllis (as related by Herodotus) is dated by Pliny to 580 BC. There's more information at Timeline of diving technology, but no references. That makes it difficult to add the information here, but hopefully someone can find the necessary sources. --RexxS (talk) 22:29, 11 December 2010 (UTC)
"Typically, the diving mask also serves to prevent breathing through the nose, so that one is forced to breathe through the snorkel. " I'm sorry, but this is all gibberish. The mask is for looking through. 18.104.22.168 (talk) 22:41, 8 October 2008 (UTC)
"A longer tube would place the lungs in deeper water..." That is nonsense as you don't need to snorkel deeper just because you have a longer tube, a longer tube could also have some splash protection as the opening would be higher above the surface.22.214.171.124 (talk) 10:51, 4 January 2010 (UTC)
- You're quite correct. I've tried to rephrase that paragraph to make it clearer that a longer snorkel would not allow breathing at greater depths. I don't believe, though, that any improvement in splash protection would outweigh the potential problems of increasing the dead space. --RexxS (talk) 12:29, 4 January 2010 (UTC)
Translation into Chinese Wikipedia
Snorkel or SCUBA mouth regulator: dry throat condition?
Dry throat appears to be a common problem when using snorkels and mouth-only SCUBA regulators. This is primarily due to the fact that breathing is forced to be through the mouth all the time rather than permitted through the nose. The extreme throat dryness can lead to coughing or a feeling of needing to vomit.
Is there a way to breathe through the nose while using a snorkel? The human nose is intended to be the primary method of respiration, since the nasal concha has a very high internal surface area for humidification of inhaled air, and is also capable of recovering humidity from exhaled air.
The more expensive SCUBA gear and rebreathers can allow inhalation through the nose, with the use of a full-face mask. Apparently nothing similar exists for snorkeling.
The article suggests that full-face masks with attached snorkels are "obsolete" but the physiological evidence does not bear that out.
- This is an old comment that I only just spotted, but it bears answering anyway.
- The air that is breathed from scuba cylinders deliberately has no water content, because having damp air under high pressure will promote rusting in a steel cylinder, so the air is dehumidified by filters in the compressor used to fill the cylinders. Dry throat is an unfortunate consequence of that for scuba divers, but it's not really harmful and you do get used to it.
- It is perfectly possible to breathe out through the nose while using a snorkel on the surface and I'd encourage anyone to do so regularly as it helps eliminate CO2 build up in the "dead space" of the snorkel tube, as well as equalising the pressure inside the mask. For similar reasons scuba divers will breathe out through their nose every so often (particularly on descent) as it helps prevent "mask squeeze" as well as clearing any water that has trickled into the mask.
- Face masks with attached snorkels did once exist. They were probably discontinued as a "bad idea" because snorkellers commonly free dive and the snorkel tube floods. You soon learn to keep the water out of your mouth by balancing the air pressure inside your mouth against the water pressure, so that's not a problem with a snorkel held in the mouth. However, it would be very impractical with a snorkel connected directly to a face mask even with a ping-pong ball in a cage used to seal the top of the snorkel. Snorkels with ping-pong balls were also discontinued as hazardous should the ball jam in place, sealing the tube. --RexxS (talk) 22:03, 20 May 2013 (UTC)
I've been looking for the reference:
- R. Stigler, "Die Taucherei" in Fortschritte der naturwissenschaftlichen Forschung, IX. Band, Berlin/Wien 1913
and failing to find any mention online. I can see the full text of volume 5 for example:
- Abderhalden, Emil (1912). Fortschritte der Naturwissenschaftlichen Forschung. Berlin: Urban & Schwarzenberg.
at the Internet Archive and several other volumes. The given ref is to volume 9 (IX. Band) that I can't track down. Is it just that volume that hasn't been archived yet? --RexxS (talk) 21:44, 20 May 2013 (UTC)