File:1980 06 04 Kiel GTS Finnjet im Trockendock.jpg

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GTS Finnjet in drydock at HDW shipyard in Kiel/Germany, June 1980.

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Deutsch: 4. Juni 1980: GTS Finnjet im Trockendock bei den Howaldtswerken Deutsche Werft AG in Kiel. Das Foto hat eine besondere Geschichte: Am Vorabend unserer Reise als Kadetten mit dem Schulschiff Deutschland (A59) der Bundesmarine hatten wir in einem Lokal in Kiel zufälligerweise den Leitenden Ingenieur der Finnjet kennengelernt. Dieser hat uns damals spontan zu einer Besichtigung der im Trockendock auf der anderen Fördeseite liegenden Finnjet eingeladen. Was uns damals natürlich besonders fasziniert hat, war die Höchstgeschwindigkeit dieses Fährschiffes und insbesondere das, was die Finnjet dazu in die Lage versetzte, nämlich zwei Pratt & Whitney FT 4C-1DLF Triebwerke mit zusammen 55.000 kW. Die aktiven Triebwerke waren für den Fall eines Turbinenschaufelbruches in einer Art Tresor gekapselt. Außerdem wurden noch Ersatztriebwerke mitgeführt. Ich kann mich nicht mehr genau an den Treibstoffverbrauch erinnern, den der LI auf meine Frage hin nannte, aber es war eine Respekt einflößende dreistellige Tonnenmenge, die während der 22-stündigen Fahrt mit überwiegend 30 Knoten zwischen Travemünde und Helsinki verbraucht wurden. Das waren natürlich Dimensionen, die uns Deutschland-Fahrer ehrfürchtig staunen ließen!
English: 4th June, 1980: GTS Finnjet in HDW's drydock in Kiel. There is a particular story behind the photo. On the eve of our three-month training cruise on the Federal German Navy training ship Deutschland (A59) I had been to a pub with a comrade, and coincidentally, over a drink, it turned out that the guy next to us was the chief engineer of the GTS Finnjet. After it had become clear that we were (more or less) in the same trade, he spontaneously invited us to give us a very special tour of the Finnjet. Most intriguing for us were the astonishing speeds (even cruise speeds) of which this ferry was capable, and of course the source of propulsion that made it possible to cruise at 30+ knots, namely two Pratt & Whitney FT 4C-1DLF engines with a combined output of 55.000 kW. While the active engines were housed in a solid casing in order to contain any debris from an uncontained engine failure, the Finnjet even carried spare engines. I do no longer recall the actual figures for the fuel consumption but according to the chief, it was reaching hundreds of tons for the 22-hour leg between Travemuende (near Luebeck) and Helsinki that was mostly covered at 30 knots. So those Pratt & Whitneys were really thirsty! The dimensions were just unbelievable and with hindsight to our own ship, we were totally awestruck.
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Source Own work
Author Peter Nath

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