One way to find out is the following:
 
There is a spray on material that is used on material to show when  
materials flex. It is sprayed on. When the part is strained, cracks develop in  
proportion to the movement of the underlying material. My guess is that the  
spray on material would also work for this situation. I've forgotten the name 
of  the material, but you should be able to find it on the internet, in 
strain  products. 
 
The bulkhead spreads the load of the chainplates upward onto the underside  
of the deck - kind of in a triangle shape. I don't recall that the 
bulkheads are  attached to the hull. 
 
Bob
 
 
In a message dated 6/19/2010 5:13:27 P.M. US Eastern Standard Time,  
[email protected] writes:

 
 
 
The previous owner of the my c27 reduced the bulkheads to open up the  
cabin.  The walls that enclose the head are no longer there.  The  interior is 
really nice, but I'm concerned about the structural integrity  without the 
walls extending all the way to the center post.  Is this  going to reduce the 
ability to bear loads on the deck above, or should the  center post and 
fiberglass be sufficient?  What about when sailing and  heeling over... will 
the 
lack of the bulkhead walls that enclose the head give  me any problems 
there?  Are there any proposed solutions to this?  


Thanks!


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