A Few questions + photos

I've seen an FD singlehanded before. (Indeed I had a go myself while my helm was trying to restring the kite halyard, At Queen Mary incidentally.) With the Continuous trapeze it is fairly easy but tacking does take some thinking about, especially if you have the Genoa out. 

I have seen the contender sailors put a piece of plastic piping over the rope ajuster so that the hooking on can be done one handed. Fine in a one sailed boat, but good luck with the Genoa as well (especially in the FD). you Might be a little short of hands. Not sure exactly what it is they do, but it'll be in a photie somwhere.

If you have a spiro and your sheets are long enough you can fly the kite singlehanded. As you can launch the pole and kite as two seperate operations. This may require some tweaking with the rope lengths.

But for the proper FD experiance And a hand with the sheeting in you will need a crew at some point.