.. Jalbum 8.1 Steampunk lives! Jane shot some video of the steam engines on the Mark Twain Riverboat. The boiler is driven by diesel fuel. The engines are lovingly maintained by Disney mechanics. MVI_2157.flv Sat, 24 Jan 2009 11:27:55 -0800 One of the two steam pistons at work driving the big stern wheel. The Mark Twain Riverboat is a 5/8 scale model of a classic Mississippi River sternwheeler. One of the two steam pistons at work driving the big stern wheel. The Mark Twain Riverboat is a 5/8 scale model of a classic Mississippi River sternwheeler. slides/MVI_2157.jpg MVI_2162.flv Sat, 24 Jan 2009 11:27:55 -0800 Video of the port side steam engine at work on the Mark Twain Riverboat. Unlike an internal combustion engine, the steam pushes the piston in both directions, so it has two power strokes, with exhaust on the opposite side of the piston. Video of the port side steam engine at work on the Mark Twain Riverboat. Unlike an internal combustion engine, the steam pushes the piston in both directions, so it has two power strokes, with exhaust on the opposite side of the piston. slides/MVI_2162.jpg MVI_2163.flv Sat, 24 Jan 2009 11:27:55 -0800 This one is fun! Huffs and puffs from the steam exhaust of the two driving engines. The engines are out of phase by 90 degrees so one is always pushing. This one is fun! Huffs and puffs from the steam exhaust of the two driving engines. The engines are out of phase by 90 degrees so one is always pushing. slides/MVI_2163.jpg MVI_2164.flv Sat, 24 Jan 2009 11:27:55 -0800 Looking down at the stern wheel driving the boat. The huffing sound comes from the steam exhaust just behind the camera. Looking down at the stern wheel driving the boat. The huffing sound comes from the steam exhaust just behind the camera. slides/MVI_2164.jpg