Did you see the material? It's cast aluminum. Here's one that seems perfect for the study of some aerospace engineer: http://www.amazon.com/Paper-Planes/dp/B

Did you see the material? It's cast aluminum. Here's one that seems perfect for the study of some aerospace engineer: http://www.amazon.com/Paper-Planes/dp/B00E67R8MQ/ref=art_owfa_5 http://www.amazon.com/Paper-Planes/dp/B00E67R8MQ/ref=art_owf...