Don, looks good.
How tough is it to keep the Pavement from buckling in the winter?
Sorry it took me so long to reply, Im working overtime now...
Too bad you are so far away, I'd like to try flying off that.

RCDoug, I'll try to get in touch with the East Bay club, sounds like a possibility.
Too bad about the rock dust, it's relatively cheap.

Keep the ideas coming folks, I'll take all the help I can get!

Ramjet