JT 1800 Radial Model Airplane Engine, designed and built by John v…
Unusual engine designs
A collection of GIFs demonstrating a few alternative engine designs. (Xpost from /r/justrolledintotheshop) : educationalgifs
Pascoe - Tom Pascoe is generally recognized as one of the leading designers of original model I/C engines today. Latest displayed in 2014 is this sleeve valve, seven cylinder engine to Tom’s own design, not based on any particular prototype.
Model car engines - of course!
A small four-stroke engine with sleeve valve control ready as a display model