You would place them according to the Centre of Effort and Centre of Lateral
Resistance. Similar to that of a mono. However, many cats are designed
without blades or centreboards as their deep/narrow hulls do a good job of
preventing leeway.

DP
"Gianluca" wrote in message
...
I wonder where in a sailing catamaran would you place the daggerboards, as
a
longitudinal position relative to mast, to have the boat correctly
balanced
?

Luca