Oppossed Pistons and Triangular Engine Design

[scannon]

A new engine under development from an old design. Be sure to watch both videos, you have to wait for a commercial in between, then the 2nd one will automatically start. http://engineeringtv.com/blogs/etv/archive/2008/07/01/opposed-piston-opposed-cylinder-engine.aspx

 

Here is an older version with a delta configuration used in small ships and locomotives. There is an animated picture showing the operation. http://en.wikipedia.org/wiki/Napier_Deltic