LEGO® Type XXI Submarine MOC
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Downloadable Content: PDF Instructions Book & Parts List
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To conclude the Sub-May-Rine event I’ve chosen to make a LEGO® Type XXI Deisel-Electric (Elektroboot) submarine. It is an experimental design as I managed to make the belly of the submarine smooth with 1×6 and 1×2 tiles. However, the model itself may bee a bit less stable than the other submarines built in a classical top-to-bottom design.
This final submarine joins the Sea Monsters collection at a 1:500 scale.
The Bobby Brix Channel 2021.
This product contains a fully detailed instructions book with a parts list.
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Personal or non-commercial use with attribution required.
The Bobby Brix Channel
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Type XXI submarines were a class of German diesel–electric Elektroboot submarines designed during the Second World War. One hundred and eighteen were completed, with four being combat-ready. During the war only two were put into active service and went on patrols, but these were not used in combat.
They were the first submarines designed to operate primarily submerged, rather than spending most of their time as surface ships that could submerge for brief periods as a means to escape detection. They incorporated many batteries to increase the time they could spend submerged, to as much as several days, and they only needed to surface to periscope depth for recharging via a snorkel. The design included many general improvements as well: much greater underwater speed by an improved hull design, greatly improved diving times, power-assisted torpedo reloading and greatly improved crew accommodations. However, the design was also flawed in many ways, with the submarines being mechanically unreliable and vulnerable to combat damage. The Type XXI submarines were also rushed into production before design work was complete, and the inexperienced facilities which constructed the boats were unable to meet necessary quality standards.
After the war, several navies obtained Type XXIs and operated them for decades in various roles, while large navies introduced new submarine designs based on them. These include the Soviet Whiskey, US Tang, UK Porpoise, and Swedish Hajen classes, all based on the Type XXI design to some extent.