[link]http://www.youtube.com/watch?v=iB-2f6Pbkak&feature=related[/link]

Well...considering this pop bottle (which looks pretty quick actually) is going 7mph, I doubt you'll see 10mph.

Is the battery the same as the Dumas 2 1/2lb battery on the Tower website? If so, that's quite a lot of weight to have for only 6 volts.