This is from rad rides site - I understand that he starts with foam to get the shape , but I dont understand if it is body fill or fiberglass with body fill after that - looks like to would weigh a ton . do you think this is a template for fiberglass later? any thoughts on the process.
http://www.radrides.com/projects.php?cursec=9&timg=8
http://www.radrides.com/projects.php?cursec=9&timg=8