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Looking for this Book

 
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Deamon



Joined: 30 Apr 2002
Posts: 2302
Location: Germany

PostPosted: Sun Nov 16, 2003 11:52 am    Post subject: Looking for this Book Reply with quote

Hi Alex,

there is a Book that is crucial for our Project:

http://cgi.ebay.de/ws/eBayISAPI.dll?MfcISAPICommand=ViewItem&item=3558680258

Unfortunatly i missed this auction.Aaaarrrgghh Mad (i could bite my self)

It seems to document different subs in ditail.

I found it at ZVAB for only 375 Euro :huh: Any idea how to get it cheaper ?

I will try to get a similar Book in the next few days that seems to be comprehensive too.

Arrgghhh Damn it. Mad


regards

Deamon
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Drebbel



Joined: 10 Jan 2002
Posts: 6153
Location: Almost at periscope death !

PostPosted: Mon Nov 17, 2003 8:59 am    Post subject: Reply with quote

Ypu could ask the auction winner to photocopy the book for you.

Did you know there is a 1969 reprint ?

Some shops that sell the 1923/1969 book:

http://dogbert.abebooks.com/abe/BookDetails?bi=231264730

http://www.antbo.de/cgi-bin/bforder.pl?bookid=87549472

http://dogbert.abebooks.com/abe/BookDetails?bi=118910530
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Mon Nov 17, 2003 9:03 am    Post subject: re Reply with quote

Hi Deamon

I take a look to your ebay link. It seems to be the 1 st edition of "Der Bau von Unterseeboote bei der Germaniawerft" autor Ing. E Techel? I am wrong? If yes, this is the sutff yo got from me months ago. Or is it another issue?

regards

Alex

http://community.webshots.com/user/eaj1es

new stuff: U Boot Drehzahlanzeiger Backbord (U Boot Instrumente II)
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Mon Nov 17, 2003 9:11 am    Post subject: re Reply with quote

Thanks Drebbel, for your references. (Ps. I dont forget your stuff, need some free time for it)

Deamon,
The book of Techel is the one we have been using since the begining of the project. All the Uboat tecnical drawings you got from me are from this book.

regards

Alex
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Deamon



Joined: 30 Apr 2002
Posts: 2302
Location: Germany

PostPosted: Mon Nov 17, 2003 2:00 pm    Post subject: Reply with quote

@Drebbel:

Hey Drebbel,thank you man Smile

@Alex:

Well if this is the same book than i'm reliefed again.We need to talk about this book more closely.I will contact you via eMail.

Do you recognize this pic in your book:

http://i18.ebayimg.com/03/i/00/c2/08/be_1.JPG

regards

Deamon
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Thu Nov 20, 2003 9:35 am    Post subject: re Reply with quote

Hi Deamon
Sorry for the delay in ansewring. I was out of town. The pic you reproduce corresponds to pages 72,73. The drawing in p. 72: "Hilfslenzpumpe, Bauart Klein. Leistung 350 l/min bei 120 Uml/min" (Abb. 237, 238). And in page 73, Abb.239 and 240 Turbogebläse der AEG.
Let me know what did you still miss from this book, to send ou the stuff.

Regards

Alex
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Deamon



Joined: 30 Apr 2002
Posts: 2302
Location: Germany

PostPosted: Thu Nov 20, 2003 1:54 pm    Post subject: Re: re Reply with quote

Eaj13 wrote:
Hi Deamon
Sorry for the delay in ansewring. I was out of town. The pic you reproduce corresponds to pages 72,73. The drawing in p. 72: "Hilfslenzpumpe, Bauart Klein. Leistung 350 l/min bei 120 Uml/min" (Abb. 237, 238). And in page 73, Abb.239 and 240 Turbogebläse der AEG.
Let me know what did you still miss from this book, to send ou the stuff.

Regards

Alex


Are this devices related to a curtain typ ?
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Fri Nov 21, 2003 1:33 pm    Post subject: re Reply with quote

Hi Deamon

What is a curtain typ?

Alex
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Deamon



Joined: 30 Apr 2002
Posts: 2302
Location: Germany

PostPosted: Fri Nov 21, 2003 6:54 pm    Post subject: Reply with quote

A submarine typ.Does it mention on what submarine typs a particular device was been employed.

Deamon
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Sat Nov 22, 2003 8:29 am    Post subject: re Reply with quote

Hallo Deamon

The chapter is Nr. 13. Sicherheits- und Rettungseinrichtungen

Beschreibung von Wassereinbruch Sicherheits Instrumente/Maschinen :Rettungsbojen, Hebetrichter, Hebeboje,Dräger Tauchretter, Kompressoren u. Druckluftanlagen, Sicherheitsventile, Absperrventile, Lenzpumpen.

The drawings are related to these Lenzpumpen. The description is generic, without concrete Uboats series references:

"Im ganzen ist man in Deutschland mit der Lenzleistung nicht so hoch gegangen wie im Ausland, brauchte dies auch nicht, weil für das Lenzen der Tauchtanks die im Vergleich zu Pumpen viel leistungsfähigeren Turbogebläse benutzt wurde. Ausserdem waren die Räume der deutschen U Boote im allgemein enger unterteilt als die der feindlichen U Boote. Anderseits ist es bekanntlich unmöglich, auch nur einigermassen grössere Lecks durch Pumpen zu bekämpfen. So kann selbst auf den U Kreuzern das durch ein Leck von 1 dcm2 Querschnitt bei an der Oberfläche fahrendem Boot eindringende Wasser nicht mehr mit den beiden Lenzpumpen die jede eine Leistung von 450 m3 in der Stunde bei Oberflächenfahrt haben, bewältigt werden....."

later more

regards

Alex

Ps. I will also made here the transcription of the Book chapters. At the moment I cannot find time enough to scann.
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Sat Nov 22, 2003 9:25 am    Post subject: re Reply with quote

"Im Gegensatz zu den Hauptlenzpumpen sind die Hilfslenzpumpen fast immer als Kolbenpumpen ausgeführt worden. Sie dienen dazu kleinere Wassermengen, wie sie durch Oeffnen von Probierhähnen usw. ins Boot gelangen, möglichst restlos zu beseitigen. Ihre Leistungsfähigkeit betrug bis zu 500 ltr/min.

Eine der letzten Ausführungen, eine doppeltwirkende Punpe der Firma Klein, Schanzlin & Becker, zeigen Abb. 237 u. 238. Die Kurbelwelle der Pumpe wurde mittels Schnecke und Scheneckenrad von einem Elektromotor angetrieben.

Wie wiederholt erwähnt, ist es eine zuerst von der Germaniawerft bei ihren Booten eingeführte Besonderheit, dass die Tauchtanks nicht ausgepumpt, sondern ausgeblasen werden (!). Hierzu benutzte man zuerst als Kolbenpumpen ausgeführte Niederdruckkompressoren, später nach dem Vorgang der Marine Turbogebläse, wobei es als elektrotechnisch bemerkenswerte Leistung anzusehen ist, dass es gelang, Gleichstrommasschinen von der immerhin ansehnlichen Leistung von 110 kW mit einer Drehzahl von 4500 Uml./min zu bauen.

Auch der Kompressorteil bot bedeutende konstruktive Schwierigkeiten, weil es sich um für Turbokompressoren ungewöhnlich kleine Fördermengen handelte. Ursprünlich wurden die Turbogebläse mit 3 Lagern gebaut. Später wurde auf Anregung der Germaniawerft das mittlere Lager forgelassen, wodurch sich eine bedeutende Raumersparnis ergab. Abb. 239 u. 240 dar. Die genannte Firma hat als erste und lange Jahre als einzige Firma Turbogebläse mit Antrieb für U Bootzwecke geliefert. Erst im Laufe des Krieges wurden auch andere Firmen mit der Lieferung dieser Maschinen betraut" (End of chapter)

So important if modelling a Germania Werft Uboat
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CB..



Joined: 30 Apr 2002
Posts: 2306
Location: UK

PostPosted: Wed Nov 26, 2003 10:14 am    Post subject: Reply with quote

im guessing you allready have this but just in case
Admiral Scheer's memoirs

http://www.richthofen.com/scheer/
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Eaj13



Joined: 21 Sep 2001
Posts: 552
Location: Spain

PostPosted: Wed Nov 26, 2003 1:48 pm    Post subject: re Reply with quote

Hi CB

I am glad to see you here. Great thanks, Admiral Scheers Book was still missing in our library.

Best regards

Alex
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Deamon



Joined: 30 Apr 2002
Posts: 2302
Location: Germany

PostPosted: Wed Nov 26, 2003 2:48 pm    Post subject: Reply with quote

Hi CB,

i have maybe stombled across this site but didn't have the book.Just downloaded it.Thanks man Smile


regards

Deamon
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CB..



Joined: 30 Apr 2002
Posts: 2306
Location: UK

PostPosted: Fri Nov 28, 2003 8:37 am    Post subject: Reply with quote

cheers guys!
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