In order to keep the drivetrain simple and robust, I haven’t driven any of the extreme sprocket but the front bottom sprockets instead – what could be considered as the front road wheels. That made the entire build quite challenging, especially since the middle of the hull was difficult to access, being squeezed in between the massive tracks, and since the tracks had to be really tense to prevent slack. Thus the hull was split in two parts, roughly equal to lower 1/3 and upper 2/3, with the lower part built upside-down and kept together with the upper, upside-up part from the inside. It was the looks part that proved tricky, mostly because in order to approximate the complex curves of the tank’s bottom, I had to build it partially upside-down. This, in combination with model’s significant weight and with two heavily geared down PF XL motors, was sufficient to allow the model to cross 22 cm wide trenches, climb 9 cm tall vertical obstacles, and drive up 31° slopes. All I had to do was to equip the model with powerful propulsion system and ensure good traction, and to that end the tracks were fitted with rubber attachments recently released by LEGO. ![]() The performance part was actually easy, given that the original tank’s shape is already optimized for handling obstacles. The goal of my model was to look accurate and perform well. It was the first Mark tank to need just one driver – quite an achievement by 1917 standards. The V isn’t drastically different from Mark I, whose model I’ve built in 2008 as my first actual model of a real tank – it was more of an improvement, fitted with a stronger engine, new transmission and new brakes. It was the last of the British “parallelogram tanks” to participate in the Great War – the Brits would go on all the way to Mark X, but the war was already over by then. The original Mark V was built exactly 100 years ago and saw combat 99 years ago. I haven’t built a tank model in nearly a year, so this was about time I made one. Datasheet:ĭimensions: length 62 studs / width 36 studs / height 22 studs ![]() Features remotely controlled drive and steering, remotely panned and tilted side guns, partial interior and custom stickers.
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