Also you may try to not have 1:2 purchase on the spi tack line and just have a single green line attached to the floating block. This way you mimic the two-line spinnaker halyard systems while keeping the advantages of a single line setup. Basically when hoisting the spi it will first go forward and then up. The reverse when doucing the spi. This should also help in not having the spi hook the bridles or other parts behind the ring. I've been planning to try to modification myself but haven't gotten round to it. I will give it a try before the World Cup however. I expect some improvement from it. And it will look simpler and more tidy again.

Slowly we are getting there.

Wouter