Anyone know of a good design for a balsa wood bridge? Can't be more than 45 grams and has to hold 100 pounds... So, any advice?
No idea, but I did a quick google in case you haven't done it yourself.
Tips:
http://www.abcdpittsburgh.org/kids/kids.htm
Wiki:
http://en.wikipedia.org/wiki/Balsa_wood_bridge
Technical:
http://www.zimsweb.com/balsa/information/info.htm
Simulator:
http://www.jhu.edu/virtlab/bridge/bridge.htm
http://www.jhu.edu/virtlab/bridge/truss.htm