Hi Folks
With the increase in popularity in the 90 sized F3a planes. Why arent engine manufacturers responding by making engines for this class of plane.
Other than the OS91 which is not rear exhaust, the MVVS 90 or the YS 110 there is really no choice.

So what do people think should there be more choice. Should the likes of OS build a dedicated F3A 90 sized engine.?

Mike