![]() ![]() More information about the submarine on Wikipedia. It had 23 torpedoes for 6 tubes and 4 anti-aircraft guns. All of the previous submarines really were submersible, they sailed on the surface and only submerged in combat situations. This radio-controlled submarine can maintain a steady depth or a certain distance from the bottom. > 6 x 533mm torpedo tubes (bow) 23 torpedoes (only 4 portholes in the model :-( )Ī brief note about the Type XXI Uboot: it was the first real submarine, that is, a ship prepared to remain long periods underwater. Building a Lego-powered Submarine 4.0 - automatic depth control. > Range: 15000 nautical miles at 10 knots > Speed: 15 knots surfaced, 17 knots submerged > Tail dive planes: elevation and neutral position. > Anti-aircraft turret (stern): lifting and folding. > Anti-aircraft turret (bow): lifting and folding. > Starboard torpedo portholes, both open at the same time. > Port torpedo portholes, both open at the same time. We hope you enjoy building it as much as we do. It also contains 10 pneumatic cylinders and a manual compressor (disguised as the snorkel :-)) that perform multiple functions activated with 7 selectors. Because of this, some parts are a little tighter than normal (indicated by arrows in the instructions).Īnyway, the model has defined the hull, the dive and rudder planes, spoilers and conning tower. It has been difficult, because a submarine is usually teardrop shaped, and the Technic beams do not allow much degree of rotation. My son and me have always liked submarines and Lego, so we decided to make with Technic an approximate and partially functional model of a Uboot Type XXI.įor this, we have only used the parts of the 8455: Back-Hoe, without the wheels or the spoons, which are not much needed underwater -). ![]()
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