FILENAMES: b2003artsyfartsy.jpg b2003backside.jpg b2003bottom.jpg b2003closeup.jpg b2003exploded.jpg b2003size.jpg DESCRIPTION: These are pictures of an airspeed sensor built as an exam project for a machining course. Posted by Lambert Schipperheijn . The following description was provided: ================================================================= The b2003 pics are describing my exampiece , the piece had to be done in 62 hours. It is derived from a gadget used in windtunnels , measuring airspeeds at different heights on , say , an airplanewing being tested. The exam consisted of making the piece from drawings out of bar stock , in a fully equipped conventional workshop.