Tritanium Feed Cylinder

Heavy, immovable tritanium feed cylinder dominates the Radiation Room. Ben grabs it as a desperate portable radioactive source to counter Cybermen, but Dyson shuts down the idea, noting its unshiftable bulk. Ben next eyes it as a bludgeon, only to discard the plan for the same weighty impracticality. Barclay watches as the crew pivots from this dead-end bulk to riskier reactor rods.

2 appearances

Purpose

Feed tritanium into base radiation machinery

Significance

Embodies the crew's initial futile improvisations against Cybermen dominance, forcing Ben to override objections and reveal the nuclear reactor as their grim last resort. Marks the raw pivot from discarded hopes to high-stakes rebellion.

Appearances in the Narrative

When this object appears and how it's used

2 moments

S4E8 · The Tenth Planet Part 4

Ben forces the reactor rods gambit

The tritanium feed cylinder dominates the Radiation Room as a failed potential weapon. Ben initially considers it as a portable radioactive source but quickly dismisses it after Barclay confirms its immovable weight. Its bulk symbolizes the crew’s dwindling options, forcing them to abandon it in favor of the reactor rods—a riskier but feasible alternative. The object’s sheer impracticality underscores the desperation of their situation.

Before: Stationary and immovable in the Radiation Room, serving as a fixed component of the base’s infrastructure.

After: Discarded as a viable option, remaining in place but now irrelevant to the crew’s plan.

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S4E8 · The Tenth Planet Part 4

Ben persuades Dyson to join the plan

The tritanium feed cylinder is the first object Ben considers as a potential weapon, but it is quickly dismissed due to its immovable weight. Barclay confirms that it cannot be shifted, rendering it useless for Ben’s purposes. The cylinder serves as a symbolic starting point for the debate—representing the limitations of conventional thinking in the face of the Cybermen’s threat. Its impracticality forces the group to pivot to more desperate measures, setting the stage for the reactor rods to become the focal point of their plan.

Before: Stationary and immovable in the Radiation Room, serving as a fixed part of the base’s infrastructure.

After: Remains unchanged in the Radiation Room, now explicitly acknowledged as an impractical option for their needs.

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