Dear sir,
attached please find the frame section.(aluminum boat abt. 17M).
the class add some brackets and collar plate on the long..
I want to know more reason for the extra bracket and collar plate design.
does any one have the books or documents about the issue?
attached please find the frame section.(aluminum boat abt. 17M).
the class add some brackets and collar plate on the long..
I want to know more reason for the extra bracket and collar plate design.
does any one have the books or documents about the issue?