Packaging system for retaining propulsive devices

A packaging fixture comprising:

• a first member including a plurality of first generally round apertures, a plurality of first elongated apertures, and a thickness from a first side to an opposite second side, each of said plurality of elongated apertures being connected to and extending from a corresponding one of said plurality of first round apertures, said plurality of first round apertures and said plurality of elongated apertures each extending through said thickness;
• and
• a second member including a plurality of second generally round apertures and a plurality of helically inclined cutouts, each of said plurality of helically inclined cutouts being disposed at least partially around a corresponding one of said second round apertures and having a first end aligned with a corresponding one of said elongated apertures, said second member engaging said second side of said first member;
• wherein each of said plurality of first round apertures is adapted to receive a portion of a propulsive device, and said first member is adapted to retain the propulsive device when a protrusion of the propulsive device is misaligned with a corresponding one of said plurality of elongated apertures.