Glenn Ashmore wrote:

What would happen to initial stability if you took a double chined
stitch & glue dinghy design and rounded it off so that it could be
built with cedar strips?

Why round it off at all. You can build hard chine designs with cedar
strips; I've seen it done on kayaks. You start with strips at the sheer,
chines and keel (essentially outlining the panels), then fill them in.

--
Regards

Brian