Curiosity more than anything but I notice an abundance of Bell Northstars and rarely ever see another Keewaydin, and have never seen a Curtis Northstar.
I've looked at the specs, and it seems the Swift and the Bell are most similar, although maybe the Swift has a bit more volume? The Bell and the Curtis seem to be nothing more than a name but was the evolution from the Curtis to the Bell that of a similar shape going from a symmetric design to one of asymmetry?
One has to wonder if the...