Here's what I'd build. *It's possibly a little bigger than what you want but I'm sure there are ways to shorten it up a little. *It would also fit Dad if he ever wanted to drive it *
[url=http://www.rorty-design.com/content/R15_Arena_manual.htm:3t13fxnj]Rorty R15[/url:3t13fxnj]