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This is my first Lego live steamer built using studless bricks and BBB wheels. Viewed: 1684 times.
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Side view of the front half. The BBB wheels are clearly visible. Viewed: 1306 times.
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A small locomotive for a small layout... Viewed: 1002 times.
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A 16-tooth gear was press fit onto the steam engine's shaft. Viewed: 973 times.
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The articulation: two pivot points sandwich a U-joint used to carry power from the front haft to the rear one. Viewed: 870 times.
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After a few laps, the wheels have lost their shine. Viewed: 909 times.
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The live steam bits on the left, the Lego chassis on the right. Viewed: 1199 times.
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The large gear (40-tooth) at the front send power to a 12-tooth gear near the center of the engine. From there a second shaft, driven by a 20-tooth gear sends power to all the wheels via three U-joints (One for articulation and one per half-chassis for leveling). Viewed: 1046 times.
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This is the rear half chassis which carries the boiler, burner and fuel tank. Viewed: 902 times.
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Bottom view of the front half of the chassis. Viewed: 840 times.
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Rear half, bottom view. Viewed: 794 times.
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This view shows that the chassis can accomodate a much tighter radius than my layout's R1 curve (60cm / ~2ft). Viewed: 806 times.
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In this view, the chassis is up side down and the articulation of the axles is shown. Viewed: 887 times.
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See the beast in action! (3MB) Viewed: 581 times.
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