TRIMODAL — Hardware Specification¶

Materials Stack (outside → inside)¶

Layer	Material	X	C
1	TiC + diamond coating 1.5mm	Yes	Yes reduced
2	DU/WC/Ti cermet 2-3mm	Torso only	No
3	CF/Ti TPMS lattice 15mm fill=0.30	Yes	CF only
4	Graphene-ceramic FGM 1mm	Yes	Yes
5	UHMWPE + graphene + B4C 2mm	Yes	Yes reduced
6	Mu-metal foil	Yes	Optional
7	Aerogel blanket 2mm	Yes	Yes
8	SiC ceramic 3mm	Yes	Yes reduced
9	PTFE + iridium 0.5mm	Yes	No
10	Borosilicate glass 1.5mm	Yes	Yes

Compute Per Node (11 nodes)¶

Component	X Spec	C Spec
Substrate	SiC 600C rad-hard	GaN lower cost
CPU	RISC-V 4-8 cores	RISC-V 4 cores
L1/L2	EPROM/SRAM	EPROM/SRAM
L3	FeRAM non-volatile	FeRAM
Cold storage	MRAM rad-hard	Flash
Photonic array	LLM INT4 systolic	ASIC target
Quantum unit	50-100 photonic qubits	Classical QUBO sim
Mechanical FSM	Camshaft drum	Simplified

Power System¶

Source	Spec	Priority
Solar active	PTFE perovskite (X) or flex Si (C), 0.6m2	1
Battery main	Si-C solid state 600-800 Wh/kg	2
Flywheel	Kinetic reserve + gyro	3
Thermoelectric	Seebeck in joints	4
Piezoelectric	Impact harvesters in feet	5
Regenerative	Descend_regen mode	6

TRIMODAL-X: 5kg battery = 3000Wh = 7+ days at 18W avg
TRIMODAL-C: 3kg battery = 1800Wh = 4+ days at 15W avg

Weight Budget¶

TRIMODAL-X (20kg)¶

Cargo payload:      5.0kg
Battery 800Wh/kg:   3.78kg
Cargo bay walls:    2.35kg
Exoskeleton TPMS:   3.37kg
Actuators:          3.50kg
Electronics:        0.80kg
Sensors:            0.40kg
TOTAL:             19.20kg  (0.80kg margin)

TRIMODAL-C (15kg)¶

Cargo payload:      5.0kg
Battery 600Wh/kg:   3.75kg
Cargo bay walls:    0.80kg
Exoskeleton CF:     2.00kg
Actuators:          2.50kg
Electronics:        0.60kg
Sensors:            0.35kg
TOTAL:             15.00kg  (exact budget)

Environmental Ratings¶

Rating	X	C
Depth	2000m	10m splash
Temperature	500C	-20C to +60C
Acid	Fluoroantimonic	None
EMP	Immune (fiber)	Hardened
Blast	50m radius	N/A
IP rating	Beyond IP69K	IP67
Duration	168hr	96hr