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Published on Jun 22, 2008
3/4 scale model of the 1867 Otto and Langen engine as displayed at the universal expo at Paris. This is a fully functional reproduction with working hydrogen carrier flame ignition.
About 1/2 way through the video the exhaust cock was opened a little to show operation at its normal speed.
It is shown here in the Susong Building at the Coolspring Power Museum ( located in Coolspring, Pa). It was built by Wayne Grenning in 2000 and is on loan to the museum. Visit http://wgrenning.googlepages.com/home to see detailed information on other Otto Langen engines