I'm yet to weigh it, but I reckon around the 10kg mark. May make a Titanium drop on shell and use it for whiteboards at robochallenge events.

I think a steel chassis sort of negates the nature of the wooden robot, but if we're at an event together I'll happily have a fight (mine all wood) to put on a show and have a laugh. Especially since there are no other wooden bots.