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KRONOS FUSION ENERGYWHITEPAPER 004 / 104
Hyperion — The Breeder

The Breeder's Design Point, on One Card

One operating point, every subsystem checked against the same numbers.

Hyperion's design point is a single card: 85.0 MW of fusion power at Q = 3.076, R_0 1.2 m, aspect ratio 2.5, tritium breeding ratio 1.8. The whole programme interrogates this one point rather than quietly re-tuning it chapter to chapter.

The science

A design that lets each subsystem flatter itself becomes a machine no single analysis ever checked. Hyperion's card fixes the geometry, the gain, and the breeding ratio at once, and every derived quantity — power density, tritium yield, neutron rate — is computed against that fixed point.

Why it matters

A fixed card is what makes 'check us' a real offer: rerun the deposit and you land on the same 85.0 MW, the same Q, the same breeding ratio. For partners and reviewers, an auditable design is the product.

The numbers

Fusion power P_fus85.0 MW
Fusion gain Q3.076
Plasma current Ip9.66 MA
Major radius R_01.2 m
Aspect ratio A2.5
Tritium breeding ratio1.8
Straight answersThe card is a computed design point, not a built machine. Its confinement requirement is modest by design (H98 = 1.0), which is precisely why Hyperion is the buildable, near-term member of the family.
Kronos is the fusion company that shows its work. Every figure here traces to the openly deposited Kronos simulation programme and design-point records (CC BY 4.0). Read the series, run the code, check us. — All whitepapers · Read the formal papers & open data
Conceptual design and simulation study; no machine has been built. Quantitative values are simulation-derived and carry the feasibility gates named in the text; superseded values are kept in the record with era labels. This document is informational and is not an offer of securities. © 2026 Kronos Fusion Energy, Inc. · Los Angeles, California.
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Content reviewed August 2026 · design-and-simulation stage