Ed, my trike build is detailed at Motoredbikes.com (I'm not allowed to post a link yet). Do a search there for Tadpole Trike.
It is a pretty long thread. If you have any questions, I'd be happy to answer them.
Weather Spotter, I'll try to get there when I find the time. Today I got 3' of snow, so most of my spare time for a while will be spent on the end of a shovel.