Hi all, just measure the shaft in my Chris-Craft and blowed if it ain't 4BA thread on a 3.5mm shaft. Can't change it as it's well buried in the hull, but I don't have any props with a 4BA thread.
Does anyone have any spare 2 or three blade props of about 30-35mm diameter with a 4BA thread.

I'm sure somebody must have one tucked away somewhere and I could always do a bit of modelmaking by way of a swappsy.

Cheers,
Martin