Russell Sutton’s 14 Cylinder Yamaha XV radial engine has progressed a lot from being designed and engineered from scratch to nearly complete

a twin row, 14 cylinder radial engine utilizing 14 cylinders and heads from a Yamaha Warrior XV 1700, fitted to a crankcase and internal components designed, cast, machined and fitted, all from scratch. Should make about 500 horsepower or so and he's building it for the best reason of all, he simply wanted to.

https://thekneeslider.com/yamaha-warrior-14-cylinder-radial-engine-project-begins/
https://thekneeslider.com/russell-suttons-14-cylinder-yamaha-xv-radial-engine-meets-the-neighbors/
https://www.youtube.com/channel/UCig-A-HRTtEGM-pe94D1dJw

it might get finished in a year or two, as he started this in 2013, but there has been zero new coverage since 2017 on Facebook, you tube, zip zero nada