Re: Chain plates
Do you have pictures?
Is it connected to a bulkhead?
Actually pulling a chain plate indicates some serious deterioration with the attachment points which is almost always rotted wood that has to be replaced.
Tell us about the event. The mast held, why?
I assume it is the forward upper stay.
The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.