RE: New Great Planes Escapade 61.
The OS .61 to .95 two strokes have the same mounting pattern and are similar weight so iut's easy to understand that recommendation. The size and weight listed at Tower would tell me it is 60 size (which means .91 four stroke for me) but many others would be strapping on Saito 1.25s.
The description lists fiberglass cowl as a feature