Suggest you look at Bethwaite "High Performance Sailing" who did comparative full scale testing of NS14 dinghies by towing two boats on a balance...
I would ignore the bulb if it is not generating lift. Larsson, Gutelle, Skenes, Garrett "The Symetry of Sailing" and Thornton "The Modern Yacht"...
Seem to remember that Savitsky did some work on Porpoising, looking through my old lecture notes this is rather more complex than I can post....
christos, Bit of a late reply. I use Autoship which I originally found more intuitive than Maxsurf, but this was originally because Maxsurf...
Bulb looks a bit of a weed catcher to me, and improve the streamlining. She also looks a little tender and short on bouyancy forward or there is...
Suggest you also look at my thread on Delft Series for sailing yacht hulls. If you set up this spreadsheet you can optimise parameters for...
Pierre Gutelle's "Design of Sailing Yachts" has a really good section on two masted rigs. He quotes a lead for ketches of 11% to 15%....
Thanks Stephen & Steve, I will follow up your references. Some credit should go to Stuart Roy at Southampton Institute who took some time out...
Stephen, I had a look on the SNAME site and the Cheasapeake site for the paper you refered to, the only ones that I could find were Stars &...
Interesting to see this thread come alive again. My understanding is that the Delft Series forms the basis for most VPP's including Wolfson. The...
Thanks for your thoughts, I have previously looked at HullDrag-32 and PCSail also looks interesting. In fact PCSail looks very similar to the...
Has anyone tried setting up a resistance prediction spreadsheet using the Delft algorithms proposed in either The Modern Yacht Conference 1998 or...
