V Twin

Originally posted by robinft Is there an entry point for air at the front end of the tunnel? I know that it's open at the aft end but I do wonder if there may be a slowing suction effect nonetheless.

Edited by G.R.F. - 27 Apr 12 at 2:29pm

Originally posted by Owenfackrell Have you thought about doing a self tacking jib with control lines lead out onto the wings so that you can adjust it? this way you would only have to concentrate on the mian.

Edited by G.R.F. - 27 Apr 12 at 3:12pm

All boats will tip over sooner or later.
Small boats will tip over more frequently than large boats.
Un-ballasted boats will tip over more frequently than ballasted boats.
One of he major innovations of the 1960s was the self rescuing dinghy, which allowed the crew to continue sailing after a capsize.  At that time the hydrostatics of a dinghy when capsized became part of the designers prevue. But it hasn't really been given much attention.
V twin is an example of thinking half way through the problem.
This stuff really isn't rocket surgery.
IF you want the boat not to invert, it has to be stable in the attitude of  rig in the water. Stability requires the center of gravity to be aligned with the center of buoyancy.  In practical term, this requires the rig to float.  Most modern beach cats have sealed masts, which when combined with the over rotating wing mast is buoyant enough to prevent inversion. 
Some of my recent ICs have had sealed masts as a side benefit of  of getting rid of the main halyard, these boats are far less likely to go turtle than ones with big holes in the masthead.
I also designed very neat foam filled square heads for mainsails that may actually be better aerodynamically that a regular pin head but also have enough volume to prevent inversion.
Just mentioning it.
SHC

Originally posted by 2547 Has the V Twin been rebranded V2?   Seems obvious if you design a very stable craft when sailing it will also be very stabe upside down representing a major problem. Cat sailors have been aware of this for some time ...   Why not just develop your motor skills a bit such that you can cope with a less stable craft which may be more prone to capsize but at least you can self rescue.

Originally posted by Xpletive Originally posted by 2547 Has the V Twin been rebranded V2?   Seems obvious if you design a very stable craft when sailing it will also be very stabe upside down representing a major problem. Cat sailors have been aware of this for some time ...   Why not just develop your motor skills a bit such that you can cope with a less stable craft which may be more prone to capsize but at least you can self rescue.     Quite! Trouble is, you're talking to a man who found sailing a deck chair too exhausting...and had to dump the Blaze....