Interesting engine

[PTKay]

...especially for tractor design.

Has anybody seen or used it before ?

http://www.modena.avioengines.com/mae_323.html

PTKay

[KenSandyEggo]

Looks good, as so many before it have. Did you notice the R model is designed for rotorcraft and puts out more h.p?.....150, they claim. It will be interesting to see what comes of the design and how much and availability.