Antique
That what I hope. The plane calls for a 120 4 stroke. A 26cc gasser is plenty. The lightest builds Ive seen are around 9lbs. So if I keep things light & try and stay under 12lbs.
CJ from Wacker Engines says they can make good power. The spring exhaust is a pain as it requires a custom exh.
As a combo - walbro WT-433, CDI ign. Bowman rings, new bearings and a custom pitts style exhaust.

Any opinions????

MP68