The industrial economics of Proteus
The $100
cost model.
Designing backward from cost—from mine to finished aircraft.
The central question is not whether a prototype can be assembled for approximately $100. It is whether a standardized American production system could eventually manufacture useful common-core aircraft near that recurring unit cost at very high volume.
The cost is a system
No silver bullet.
Many compounding gains.
Product architecture, scale, automation, yield, supply-chain depth, energy, tooling, capital utilization and purchasing power must reinforce one another.
Product architecture and BOM simplification
Every unnecessary part adds more than its purchase price. It adds handling, inventory, inspection, assembly time, failure opportunities and supplier complexity. Proteus is designed backward from the target by reducing unique parts, fasteners, interfaces and manual adjustment.
Economies of scale
A component made at 10,000 units a year has different economics at one million or ten million. Volume can justify dedicated tooling, automated production, longer supplier agreements, lower setup cost per unit and stronger purchasing terms.
Learning curves
Cost can fall as cumulative production grows. Processes stabilize, scrap declines, suppliers automate, layouts improve and engineering changes become less frequent. Volume changes conversion cost as well as fixed-cost allocation.
Commonality changes the economics
50,000 missions.
One common core.
Modular Open Systems Approach principles allow a common airframe, avionics architecture, power system, wiring standard, software environment and module interface to serve multiple configurations. Mission-specific differentiation happens later through standardized modules and software.
50,000Common cores, configured late
Automation and the dark factory
Reduce repetitive minutes—not American ambition.
Robotic handling, automated dispensing, machine vision, standardized fixtures, autonomous material movement, digital quality records and automated testing can reduce repetitive labor per aircraft. Human work moves toward engineering, maintenance, software, tooling, quality analysis, cybersecurity and process improvement.
Yield is a hidden cost driver
90% yield means 1.11 attempts per good unit.
Poor yield consumes extra material, labor, machine time, energy, inspection and factory capacity. For an extremely low-cost product, high yield is not merely a quality objective. It is part of the cost architecture.
The upstream reality
Domestic extraction matters.
Competitive conversion matters more.
The mathematical model
Every assumption gets a line.
The workbook can contain hundreds or thousands of components and manufacturing processes. Each line accounts for material, conversion, quantity, yield, energy, labor, machine time, logistics, tooling, supplier premiums and learning effects.
Ci(Q) = ni / Yi × [(MiIm + Ci0(Q / Q0i)bᵢ)Si + EiPE + LiPL/3600 + TiPM/3600 + Fi + Ki/Ni − Ri]
CProteus = Σ Ci + Cassembly + Ctest + Cpackaging + Cfactory/Q + CNRE/N + Coverhead + Cwarranty
nᵢQuantity of component or process i per aircraftYᵢProcess yieldMᵢMaterial costIₘMaterial-price indexCᵢ⁰Baseline conversion or purchase costQ / Q₀ᵢProduction-volume ratiobᵢLearning-curve exponentSᵢSupplier or domestic-content factorEᵢPₑEnergy use × energy priceLᵢPₗ / 3600Labor seconds × labor rateTᵢPₘ / 3600Machine seconds × machine rateFᵢFreight and logisticsKᵢ / NᵢTooling amortizationRᵢRecovery, recycling or residual creditFour production scales
Volume changes the problem.
Industrial pilot
High fixed cost per unit, limited tooling amortization and substantially more manual activity.
Dedicated production
Purpose-built tooling, stronger purchasing power and targeted automation begin to make sense.
Mass production
Dedicated suppliers, automated assembly, tooling amortization and strong learning effects emerge.
Industrial mobilization
Capacity, upstream supply, yield, energy, logistics, reliability and uptime become the central constraints.
The credibility test
The $100 target is a constraint—not a claim.
The current figure is a design and industrialization target, not a claim that a complete domestically manufactured Proteus aircraft can presently be purchased for exactly $100. Every component, process, supplier assumption, labor requirement, energy input, factory investment, yield rate and learning effect must earn its place inside the constraint.
If the technically useful minimum is $118, improve the architecture or change the target.
If $85 is possible at scale, reinvest the margin in capability, reliability or resilience.
The purpose is not to force the spreadsheet to prove the thesis. It is to force the thesis to survive the spreadsheet.