Thanks John,

Maybe I should call the "boards" on my P19 Bilge boards as that seems to be the closest definition that fits as Wikipedia defines a ceterboard as being on the boat's/vessel's symetric axis. which sounds like somewhere in the middle of the tramp to me.

HarryMurphey
H18mag/#9458, Fleet54/Div11
P19mx w/spin /#86, CRAC