Start Up of a WW2 Submarine Diesel Engine of a German U-Boat 🔊

Start Up of a WW2 Submarine Diesel Engine of a German U-Boat 🔊


Start up of a 6-cylinder diesel engine. The submarine engine RS 34 S was used in the Type XXIII submarines. Originally, it was designed by MWM as a diesel generator for the battleships Bismarck and Tirpitz. The engine has 108 liters cylinder capacity (18 liters for each cylinder) and 576 hp at 850 revolutions per minute.

The engine is located in a museum in Kiel, Germany:

These are the steps performed to start the engine:

0:08 – The young machine operator begins to pre-lubricate the engine.
0:32 – After reaching 2 bar oil pressure, the older machine operator turns the engine manually.
1:44 – The engine is turned by compressed air with cylinder taps opened to blow out water or oil, if present. The engine is still being pre-lubricated.
1:57 – The machine operator closes the cylinder taps.
2:14 – Water pump switched on (control cabinet in the background).
2:16 – Fuel valve opened.
2:18 – Injection pumps on filling: Probably, this means that the injection pumps are set to maximum as a basic setting (big wheel). The final fuel amount is set by the governer (small wheel in the background).
2:21 – Preheating
2:30 – Glowplugs are glowing.
2:34 – Engine start by compressed air.
2:55 – The machine operator checks the combustion by opening the cylinder taps shortly.
3:13 – Finally, he raises the RPM by adjusting the governor.

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100 Comments on "Start Up of a WW2 Submarine Diesel Engine of a German U-Boat 🔊"


  1. Laut Medien wurde eine Task Force gegründet um Rechte Hasskommentare im Internet aufzuspüren und die Täter zu bestrafen.

    Reply

  2. Das Ding lief schon da war der ältere der beiden Bediener noch nicht mal in Planung 😂😂😂🤣

    Reply

  3. Интересно он обороты двигателя подачей топлива регулирует, в то время уже были регуляторы частоты вращения.

    Reply

  4. Nejlepsi technika za druhe svetove valky patrila nemcum! Krasny tank Tiger, messersmith bf 109 u- boaty motorky bmw nebo zundap. To nikdo nemel.

    Reply

  5. Рокеры и толкатели не мажуться. Ксчестыенно сделаны наверно

    Reply

  6. Just another brilliant Germans engineers dysanie Remains Das Boot movie -IT'S RUNNING Naturally always will Great video God bless You all

    Reply

  7. Мотор то шепчет!!! Когда он работает на средних оборотах складывается такое ощущение что этот мотор не заглохнет ни когда- чувствуется надежность.

    Reply

  8. Hallo, kann mir jemand vielleicht erklären wieso die Zylinder durchgeblasen wurden? Danke im Voraus

    Reply

  9. Ich liebe diese Art von Motor, keine Elektrik und alles einfach mechanisch und vor allem logisch. Darunter kann man sich was vorstellen und es auch begreifen. Vielen Dank für das Video

    Reply

  10. Чето не врубаюсь он так на воздухе и работал , как такового запуска на топливе не было

    Reply

  11. Немецкие дизельные двигатели и сейчас требуют систематического ухода. А вот американские, в итоге российские реплики американских, херачат на любой соляре и не требуют столько танцев с бубнами.

    Reply

  12. I made a sick joke about where the exhaust goes but I had to delete it because I felt so guilty… 😱

    Reply

  13. Мотор от наших тазов по сравнению с этим нервно в сторонке курит.

    Reply

  14. Awesome diesel engine😍👍🏻i remember when mechanic put oil in valve system in U-96 Das boot,my favorite war movie👍🏻

    Reply

  15. Excellent. Hopelijk wordt gedacht dat de engineering van vandaag net zo veel jaren later zal werken als deze.

    Reply

  16. The Boot movie guys missed a bit to portrait. Machine on takes roughly 5 minutes … at least in harbour situation

    Reply

  17. Was n idiot. Voll der poser. Die ollen c425 Maschinen laufen von selbst. Da muss er nicht mit seinen vollgewichsten händen immer den Druck testen. Opas ohne Hobby. Oder:wenn er die Maschine heiraten koennte wuerde er sich von seiner Frau trennen. Sowas armes. Voll der knecht

    Reply

  18. That was the osha man fainted in the corner🙀 she purrs like a kitten though! Good Sheeow ! Thanks!🌈

    Reply

  19. Пока его запустишь, никуда плыть не надо будет уже 🤣

    Reply

  20. сомневаюсь что у немецких подводников уходило столько времени на запуск , сильно сомневаюсь

    Reply

  21. Germans : some of the best engineers the world has ever seen and will continue to produce. 🇩🇪

    Reply

  22. My fathers destroyer sank a couple U-boats during the war near the convoys.. Said he wish he had sent more Nazis to the bottom hehe

    Reply

  23. almost twice the capacity of my original engines, and only marginally more power. Mine were turbocharged though. Paxman 12-YHAXM

    Reply

  24. Germans were geniuses. Things would have turned out differently if they had only waited five years. I wonder if they rebuilt it or just ran it from the original build. Does anyone know the answer?

    Reply

  25. Sounds great they certinally knew how to build good engines and their submarines were a force to be feared and were led by a great man who knew he could win

    Reply

  26. How do you keep a German happy..? Give him some machinery and something technical to do. It's in their blood, imbedded in their DNA.

    Reply

  27. hand crank lube system was the same as i used to do on a kelvin hughs electric start coaster engine,,,love old engines,thanks

    Reply

  28. Простота и надёжность. Вечнaя память всем погибшим подводникам мотористам …

    Reply

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