The Theme of the Hail Mary's Design

The ship's design, including the centrifuge and off-the-shelf components, reflects the project's philosophy.

increasingBearing stren­gth in each eventdecreasing

The Centrifuge Dispute

The Argument for Gravity Dr. Lokken's Proposal Dr. Lokken argues that the ship needs artificial gravity so that reliable off-the-shelf lab equipment can be used. She proposes a centrifuge design that splits the ship in two. Stratt's Reluctance Stratt is initially against the centrifuge because it adds complexity. But she is convinced by the reliability argument. The centrifuge becomes a key feature of the ship. The Implementation Lokken's design is implemented. The centrifuge provides 1 g of gravity, allowing the crew to use standard lab equipment. The design choice is a major factor in the mission's success.

The Off-the-Shelf Philosophy

The Reliability Principle Stratt's Rule Stratt insists on using proven, off-the-shelf products whenever possible. This reduces the risk of untested technology failing. The ship is built from existing components when feasible. The Exception The only new technology is the spin drive, which is necessary for the mission. Even then, it is based on the Astrophage's natural properties. The Success This philosophy contributes to the ship's reliability. Despite the many crises, the Hail Mary's basic systems function well. The design philosophy is a theme in the story.

During the design phase

Throughout the project