ZL—LAB 01 / Active systems study
Hoverbike
systems.
This laboratory separates the hoverbike programme into engineering questions that can be examined independently. The vehicle is a speculative integration project: established physical mechanisms, aggressive engineering extrapolation and fictional interfaces are kept visibly distinct rather than presented as one proven machine.
SPECULATIVE INTEGRATIONENERGYHOVERCONTROLLINEAGE
01 / FEHU — hover system
The current FEHU study uses two nominal 750 N hover units, investigating low-altitude operation in the roughly 0.3–1.5 m regime. Argon circulation, plenum behaviour, cushion geometry and recovery losses remain engineering-study items rather than demonstrated vehicle performance.
02 / RHCB — transient energy store
The retained RHCB concept is a 50 MJ high-speed rim energy store intended to absorb and deliver short high-power transients. The laboratory focus is containment, bearing and bus architecture, thermal limits and the consequences of storing substantial kinetic energy aboard a compact vehicle.
03 / CEU-40-TPV — primary conversion path
The current energy architecture targets approximately 40 kW electrical output through a thermophotovoltaic conversion chain. The working study uses a high-temperature emitter and selective optical cavity feeding TPV conversion; the 1550 nm route is presently the preferred branch. Earlier MHD conversion concepts are retained as superseded research rather than silently folded into the current design.
04 / Cross-scale transfer — Station photonic collection
Recent Station work has exposed a useful relationship with the CEU-40 study: both problems concern converting an intense but spectrally awkward radiation field into useful energy through selective absorption, spectral management and photovoltaic or thermophotovoltaic conversion. At Station scale the source is the enclosed low-mass star rather than a radioisotope-heated emitter, and the collector geometry, heat rejection, maintenance regime and acceptable conversion losses are radically different.
This is therefore a transfer of questions rather than a transfer of hardware. CEU work on spectral selectivity, emitter/absorber matching, optical concentration and rejection of unusable heat can inform Station collector studies; Station-scale absorber fields may in turn provide a less mass-constrained environment in which those same principles can be explored. Blackbody absorbers, IR photovoltaics, TPV-like conversion and assisted thermal cycles remain competing or combinable branches. No specific Station efficiency or architecture is established by the vehicle design.
The useful common ground is photonic energy management. Treating both systems as variants of the same physical problem may allow calculations, materials questions and spectral assumptions to be shared while preserving their very different scales and engineering constraints.
05 / Control and thermal management
The control study couples fast reflex control with slower supervisory reasoning, while thermal work examines heat pipes, radiator paths and transient buffering. These subsystems are documented separately because a plausible component does not automatically make the integrated vehicle plausible.
The machine is beginning to be treated as a family tree rather than a single specification. A discarded conversion path may still explain the geometry, materials or control assumptions inherited by its successor. Superseded work therefore stays on the bench when it remains ancestral.
Laboratory rule
Numbers on this page describe the current design state, not certified performance. Where a subsystem depends on unresolved physics, materials, manufacturing or control assumptions, that uncertainty belongs in the record.