Fx1 two Up

Hi,
I usually race my fx1 one up but am racing an event two up any got any tips for two up that might differ from one up racing

Get a jib? Keep your crew doing as many tasks as possible. Use the extra weight to your advantage when ever you can. (Low side of the boat in light air, that kind of thing)

was wondering about mast rake, diamond wire tension

Use the added crew weight to your advantage and stay as far forward as the conditions permit. Try to stay together when going to weather to prevent the see-saw action inherent with weighting on the ends. Power up with less mast rake and less diamond wire tension and adjust for the conditions. Avoid traveling out when close hauled unless absolutely necessary.