Re: A mistake of delftship for yatch design
April 16, 2011 at 00:33
#34809
Participant
MIDSHIP SECTION MUST BE LOCATED AT THE MIDDLE OF THE LWL. BUT DEFTSHIP LOCATES IT AT THE MIDDLE OF LOA .
SO IT IS WRONG.
THERE IS NO PROBLEM WITH THIS FORMULA:
LCB [%]=100 * (LCB [m]- Midship location[m])/ LWL[m]
BUT THERE ARE TWO DIFFERENT SOLUTION FOR LCB [%],
FOREXAMPLE IMAGINE A HULL.
LOA=10M
LWL=8M
THE DIST. FROM AFT END TO LWL STARTING POINT=0.5M
-ACCORDING TO DELFTSHIP THE MIDSHIP X COORDINATE IS 5M FROM AFT.(LOA/2)
-ACCORDING TO THE BOOK THE MIDSHIP X COORDINATE IS 4.5M FROM AFT.(0.5+LWL/2)
ISN’T IT CLEAR?
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