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Germany 2010

Germany vacation April 1st through 23rd 2010. The trip was extended by the icelandic volcano by a few days. We went to Oldenburg, Bad Zwischenahn, Hamburg, Laboe, Kiel, Lübeck, Munich, Walsrode, Bremerhaven and Groningen in the Netherlands.

2010 April 1 2 3 5 6 7 8 9 10 13 15 16 17 18 20 22

Aquarium (37) Bad Zwischenahn (41) Botanical Garden (55) Bremerhaven (240) Concentration Camp (108) Dachau (149) Easter (37) Erica (17) Flowers (75) Germany (2943) Göttingen (169) Groningen (165) Hamburg (649) Hunte (59) Kiel (35) Laboe (230) Lewin (1) Lübeck (343) Martinikerk (75) Miniature Wonderland (269) Munich (335) Nova (1) Oldenburg (123) Oma's Anniversary (2) Rabea (4) Rita (4) Ruben (1) Smart (1) St. Nikolai (69) Submarines (322) Type VII (157) Type XXI (161) U 2540 (161) U 995 (157) Walsrode (767) Zoo (947)

All

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Auxiliary Engine Room The auxiliary engine room contains the two control stations for the engines of 2500 hp each. On the right side the main switchboard for the monitoring of the generators is situated. The control stations were developed in 1942/43. All switching actions could be done with only one large handwheel (drive range switch) via switch cams. Next to the dome bulkhead on the right is a large number of instruments combined in a panel. These are required for the monitoring of the diesel engines.
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Starboard operator's stand with drive range switch.
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Port side operator's stand with drive range switch.
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Electric engine room.
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Gauges in the electric engine room.
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Gauges in the electric engine room.
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Engine telegraph.
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Engine telegraph.
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Fuel consumption container. Contains 610 liters each.
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Electric engine room.
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In the electric engine room.
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In the electric engine room.
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Electric Machines From originally two electric machines (main traction motors) only one still exists (opposite the exit). These machines were developed by Siemens under the code word "Hertha" (christian name of the director's secretary) using their experience in large train engines. It is a 10 pole, separately excited shunt-wound motor with auxiliary series winding, interpole winding and compensating winding arranged as a double-unit engine (2 rotors on each shaft). The machines have a weight of 10330 kg each. Two ventilation fans each are fixed on the main traction motors. These are connected to the air coolers in the bilge and provide for heat evacuation. Under test stand conditions the main traction motors attained an output of 1840 kW for one hour at a voltage of 360 V and current input of 5500 A. Gear reduction of main traction motors was made by a large toothed-wheel gearing installed under the control platforms. For silent routine purpose two so-called silent motors are still existing, which were connected with one shaft each through a multiple V-belt drive. (Shown on the right side of exit stairs). These electric motors were developed by Siemens, too. The externally excited 8-pole shunt motors can be energized with 120 V or 360 V. At 360 V and current input of 256 A they attain an output of 83 kW.
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Inside the electric machine room.
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Electric motor.
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Electric motor.
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