MAPMAKERS TECHNOLOGY REFERENCE

SinterBeam

Fictional 2044 lunar construction system directly descended from real high-energy-laser, high-voltage EV charging, and regolith-processing technology.

SinterBeam is a rover-mounted heavy industrial laser system for sintering and partially vitrifying lunar regolith into landing surfaces, roads, aprons, berms, foundations, and hardened structures. Its architecture combines a roughly five-megawatt optical emitter with a very large battery, high-voltage power electronics, precision beam pointing, and a semi-open water-cooling system.

Emitter and pointing system

The emitter descends in Mapmakers canon from Lockheed Martin high-energy air-defense laser technology. It remains mounted on its original SinterBeam gimbal, providing an approximately sixty-degree total pointing cone. A coaxial high-zoom camera is rigidly attached to the emitter housing, while an internal fine-steering mirror supports small beam corrections and controlled scanning.

Power architecture

The heavy rover is approximately semi-truck sized and carries a roughly 12,000-kilogram high-voltage battery together with its battery-management system, contactors, precharge hardware, DC bus, protection logic, power conditioning, controls, and native laser connections. The battery acts as a high-power buffer for the laser’s roughly ten-megawatt electrical demand.

Charging system

At a lunar worksite, SinterBeam connects to three-phase AC through an industrial charging system descended from BYD’s real 2025 Super e-Platform and Megawatt Flash Charging technology. The fictional 2044 charger converts site power to regulated approximately 1,000-VDC charging while preserving the rover battery’s native management, precharge, contactor, and protection architecture. BYD’s real parent technology established a full-domain 1,000-volt vehicle architecture with 1,000-ampere, one-megawatt charging.

Thermal management

The native rover uses a semi-open water loop. At full optical output, the laser rejects several megawatts of waste heat; the onboard loop provides about ninety seconds of full-power thermal capacity before temperature and pressure require steam venting. Makeup water and external electrical service therefore support long-duration construction work.

Alternate power interface

The system can be interfaced to a different DC source without placing incompatible electrical buses in direct contact. In the 2044 shipboard adaptation, a nominal 600-VDC supply feeds parallel galvanically isolated DC/DC converter modules that reproduce the rover’s regulated charging interface. Each branch retains contactors, active protection, and a sacrificial high-voltage DC fusible link, while the rover battery continues to absorb peak demand and transients.

Real-world basis

The design extrapolates from present high-energy laser systems, NASA vacuum laser processing of lunar-regolith simulants, large battery-electric industrial equipment, and megawatt-class EV charging. The approximately five-megawatt optical output, lunar rover integration, and 2044 power density are fictional extrapolations.

Series appearances

• The Mine

Further learning

• Lockheed Martin — 500 kW Joint Laser Weapon System
• NASA — Vacuum laser additive manufacturing of lunar regolith
• BYD — Super e-Platform and Megawatt Flash Charging