I have not interacted with the Forum in a number of years and apologize if the question has been asked and answered multiple times (I searched to no avail), but I'm determined to install an asymmetrical spinnaker this season on my 2008 Hunter 31. All I have now is the messenger line which is starting to show wear, the dimensions of the halyard (3/8 x 82') and sheets (3/8 x 60') and presumably the correct sheave (not confirmed) at the top of the mast. Just wondering if anyone can give me any general advice and, more specifically, the sizing/type of the spinnaker sheet blocks (and how they attach to the arch), and suggestions as to the actual dimensions of the spinnaker itself. Thanks.