Landuse is right; that is the best planned, best built wooden kart we've seen here. It also looks like you've evaluated what failed, and are incorporating your changes/ upgrades into your new project. It looks great so far; please keep us informed on your progress!!!
For the record, as a general rule, around here we almost always root for the underdog; the only time we voice concerns/ post objections is when someone decides to ask for advice on safety related topics, and then throws all advise away....
I don't think you'll have to worry about that; your experiment was well thought out: good joint design, a type of wood that seems to be able to do things strength wise that I would have only thought possible with some of the best engineered plywood types.... I know that admitting mistakes isn't fun, but what exactly happened to cause you crash?

If it's to sore a topic, I apologize in advance.....
