There is a Nordhavn 72 currently being built with DE propulsion, go to nordhavn.com for details. Their conclusion so far is that it will be...
Looking at the external design only my comments would be that matching rake of the bow to the forward sloping stern does not look quite right,...
It is normally only a simple flaw in the initial welding, I have had tanks re-welded which has been very effective, but check for corrosion first....