I would like to figue out what are the best radio options.

I have LOTS of radio gear for air,and some for land.

1. Does any one use wheel pistol grip type of tx? i have a new JR XS3 fm with 30 chan snth.

2. can you convert an air tx to ground? like 6 chan fut. or jr8103 pcm,jr 6 ch.

3. what would be the best radio, to encompass all sailboats. ( if there is one)

I fly everthing from 12 oz. foamies to 40% 3d planes so I have a lot of stuff I would like to try
to work into sailing if a all possible. some of What doesn't work will probably be sold to fund my rc sailing hobby.

Thanks, Chas