Wishbone rig / ketch

Hello everybody,

we are planning a 65ft ketch. Designer Georg Nissen in Germany. Appearance like a pilot cutter, modern underwater body. We think of a ketch-rig with a wishbone staysail at the foremast. Instead of a common mainsail. So we would have a 110% jib, staysail, wishbone staysail, mizzen.
Reasons for this concept are multiple sail plan, no sail bigger than about 60sqm, so easy handling without too much of electric, hydraulic winches is possible.
Question: Experiences about upwind ability of such a concept? Experiences in handling a wishbone staysail?
Thanks for any reply.

 

dont have experience with the concept
i was in medemblik and dusseldorf tho
and like to stay updated here

 

Most boats with this rig have the wishbone staysail trimmed to the mizzen, which means one mast may take down the other.

There is concern with the wishbone left aloft in a blow.

FAST FRED

 

Mainsail-less Ketch

Please clarify for me. Are you planning a double-headsailed ketch with a wishbone boomed staysail in place of the conventional mainsail??
...or is your staysail and wishbone staysail to be included in the space of the conventional mainsail??

....an excerpt from a discussion on my website promoting a mainsail-less ketch, "Conventional booms excessively flatten the foot of the mainsail, and are often oversheeted, contributing significantly to the leeway forces. I once had a copy of a test on a Morgan 41' Out Island ketch , where upon removing the mainsail, the boat lost only 1/2 knot of speed, but cut its leeway in half (from 11 to 6 degrees). A staysail was then rigged between the masts in place of the mainsail, and the boat regained 1 knot of speed while retaining its decreased leeway.

 

Hello,

to make it simple, I attach the sailplan of my architect.

Regards
Georg