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


We will now pre-lubricate the engine and turn
it at the same time. Oil pressure 2 bar! All cylinders are participating at the compressed air start up. Continue pre-lubricating! We will now blow through the cylinders with compressed air. That’s why, the cylinder taps are opened. Ready to blow through! out of the engine Now the cylinder taps will be closed. All cylinder taps closed. Water pump switched on! Fuel valve opened! Injection pumps set on filling! Ready to preheat! Glowplugs are glowing! Ready to start up!

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