Panther Sport Aircraft Forums

Been looking at wankel supertec and rotron for diesel / heavy fuel power plants. Makes for interesting reading. WST have a had a 50 hp diesel outboard for a few years YouTube there is plenty of clips.

https://newatlas.com/yanmar-dtorque-111 ... ard/51675/

Neander Shark Tech engine going into production for marine applications ( 50 hp for starters)