I came across this rigging method for a windsurfer rig.

I like the short additional forward stayed-mast idea. it simplifies rigging and de-rigging. I might try it on my waterstrider.

http://www.isabella-iceboat.com/iseng.html

http://www.isabella-iceboat.com/trim/trim.html

For further info and pics on the rigging details. The site is a little hard to navigate, but keep clicking, there are a lot of pics etc if you look for them.