displacement

Can someone explain to me the relationship between displacement and ballast? The original specs on my 30+ list a displacement of 9000 lbs. and ballast of 4000 lbs. When my boat was hauled out I noted the load indicators on each of the travel lift hoists; the front read approx. 5660 lbs and the...

Ericson's specifications give the displacement of this model as 9,800 lbs. Does this include the mast and boom? Does any owner have any weight info? Please advise. Keith Paremain Excelsis Nepean Sailing Club, Ottawa, Ontario, Canada

I have a 1978 E32 with, I believe, a manufacturer's rated displacement of 8800 lbs. This displacement seems quite low and I suspect that displacement is something closer to 10,000 lbs. Can anyone provide a realistic estimate of this boat's displacement? The engine is a Yanmar 2QM20H, the...

I am looking into repowering Traveler, and am currently gathering info requested by my marine diesel guru for pricing a new drivetrain. In order to properly spec the HP/tranny/prop combination, he is wondering what the Loaded Displacement is for the E39. I told him about the 19,500 lb spec...