FD mark
FlatlineDynamics
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FD/SYS · PROGRAMME INDEX · REV 2026.06UTC --:--:--Z
2 PROGRAMMES · IN EVALUATION//KEYSTONE 25 · RUCKSACK//SENTINEL HMD-1 · HELMET//MORE · IN DEVELOPMENT
FD-WEB · SYSTEMS REGISTRY

WHAT WE'REBUILDING.

A founder-led lab building repair-forward field equipment. Two programmes in evaluation, more underway. Open a dossier to look inside.

OPEN A DOSSIER
01THE PROGRAMMES
TWO IN EVALUATION · OPEN A DOSSIERLIVE
02DOCTRINE · PROGRAMME GOVERNANCE
4 PRINCIPLES · EVERY PROGRAMME ANSWERSENFORCED

EVERY PROGRAMME ANSWERS TO THE SAME LINE.

Hardware should be repair-forward. Failures are designed for, not designed around. Claims are governed. Documentation is a deliverable, not a by-product. And every design decision is constraint-first. The result: kit an operator can service on their own back.

◢ HOVER A PRINCIPLE FOR THE CURRENT EVIDENCE
01
REPAIR-FORWARD
The operator services the system. Captured fasteners, two sizes, field spares kit. Every unit opens, fixes and refits without a workshop.
▸ EVIDENCE
KEYSTONE · 9 MIN MEAN STRIP-AND-REBUILD
02
FAILURE-DESIGNED-FOR
Failure modes are catalogued and engineered against, not hidden behind sealing margins. Hot-swap modules, redundant paths, graceful degradation.
▸ EVIDENCE
SENTINEL · DISPLAY SWAP UNDER POWER
03
CLAIMS · GOVERNED
We publish only what we can demonstrate at the bench. Every spec on a Flatline datasheet traces to a test fixture and a record.
▸ EVIDENCE
EVERY SPEC LINKED · TEST RECORD ON FILE
04
DOCS · DELIVERABLE
Documentation ships with the hardware: repair manuals, fastener maps, harness pinouts, firmware interfaces, versioned and public.
▸ EVIDENCE
EVERY UNIT SHIPS WITH FD-DOC-P
03IN DEVELOPMENT · OPEN TO SUGGESTIONS
MORE PROGRAMMES UNDERWAY · BRING US A GAPACTIVE
▸ ON THE BENCHFD-DOC-S · WITHHELD

Two systems are public. Others are not. We announce a programme when its documentation is ready, not before. What we can say: the bench is not idle.

03
PROGRAMME 03
In development. Confirmations declined.
WITHHELD
04
PROGRAMME 04
Under trade study against the doctrine.
CONCEPT
◢◤ ENQUIRIES CITING UNANNOUNCED PROGRAMMES, NEITHER CONFIRMED NOR DENIED
OPEN TO SUGGESTIONS

BRING US A
CAPABILITY GAP.

We build what we can document and stand behind. If there is a piece of kit you keep wishing existed, or one that keeps failing you in the field, tell us. Good problems shape the roadmap more than features do.

CONTACT THE LAB
▸ NO OBLIGATION · NO SALES THREAD · WE READ EVERY ONE