Originally Posted by Flybyknight
I have a 220 on my CD25 and it's track accommodates my 220 just fine.
I would be interested in where you got the documentation for your above statement.
Maybe I'm mistaken. I got J = 13.25 feet for a Cape Dory 30 from sailboatdata.com
. 13.25 * 220% = 29.15, which, okay, is about a foot less than the listed LOA of 30.21 feet.