Doing some planning on getting back into the F18 class, this time on the East Coast, and looking at NACRA Mk I and Mk II Infusions. I can't remember what the changes were between the Mk I and Mk II. Can anyone fill me in? Additionally, can anyone let me know if the MKI centerboard trunks were all gybing board trunks and if the recommendation is to make them non-gybing (I seem to remember this).

Also did a search - saw the thread on the Mk II but was wondering how much really changed. Looks like a board upgrade will be needed at a minimum if getting a Mk I.

Thanks,

P.A.