Submarine Schnorkel

[Jan7]

Originally Posted by Trincomalee

Can anyone tell me if this was developed by Wilhelm Etzbach ?

Trincomalee

Dear friends: As you seen in my signature, I collaborated in the pages of www.u-historia.com. One our sections are "Técnica"= Technics. There are more "Artículos técnicos" = Technical Articles of your interest.

Adquisición de datos para las soluciones de tiro en los U-boot
Sistemas de Superviviencia y Salvamento
Breve Historia del Sonar
Equipos de Rádio en los U-boots
Los Tanques de Lastre
Patrones de los agujeros de inundación de los Tipo VIIc
Colores y símbolos de los Uboot
Sistemas de ocultación a la observación aérea
El Submarino del Tipo XXI
El Sistema Schnorkel
El motor "Walter"
Combinaciones de propulsión y carga de baterias
Profundidades operacionales Uboot
Modificaciones Torretas uboot Tipo VII (Turmumbau)
Sistema de Cuadrantes de la Kriegsmarine
Provisiones en los Uboots
La Giro Cometa
Cargas de Profundidad !!! (Wasserbomben)
Torpedos Humanos Italianos "Maiale"


All the articles, of course are in Spanish. If is necessary, translate web is possible. Use, for example, in my signature.

We are very pleased with your visit at our pages.


Jan.


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Hello Jeff Rogers !!

[geoff501]

Originally Posted by Trincomalee

I was told that British aircraft began to carry something named "autolocus" that could "sniff out" the schnorkel ?

Autolycus.
This was actually proposed by Professor R.V. Jones in November 1945 and was put into service with Coastal Command, but not a great success. It was indeed intended to home in on exhaust products emitted by combustion engines.
Most Secret War, 1979, R. V. Jones

One of the drawbacks of Schnorkel was when the valve closed to prevent sea water entry, the air pressure inside the sub decreased rapidly and was distressful to the crew, not sure if it damaged ears but quite possible. One boat used it to good effect when a electric motor burnt out filling the boat with horrid fumes. The engineer quickly arrange the Schnorkel to draw air from inside the boat into the diesels to clear the smoke. Not sure which book I read this in, possibly Wolfgang Hirschfeld's Secret Diary of a U-Boat (excellent book, by the way).

geoff

[geoff501]

Roskill.

Of course Roskill was written before the Enigma story broke. Enigma decrypts were a significant factor. A boat unlucky enough to report its position using the naval grid system and have its code broken would give its position within a 6 nautical mile square. If it was arranging a rendevous with a 'milch cow', it was in a dangerous position.

[Christos]

From my own understanding of Submarine operation in the modern period, this same pressure drop still causes ears to pop and make it a little uncomfortable for the sub crew....lots of aspects of modern operations are exactly the same as WW2....will we ever find a capital ship to compare with the submarine?....diesel elctrics are still very difficult to detect when submerged and on battery power, and all the gadgets have not changed this....subs are only going to get quieter, and technological instruments can only be so sensitive...