ISO-Plane TRL3 - Revision history

Wiki.admin: /* Deliverables of TRL3 */

2026-02-13T11:32:44Z

Deliverables of TRL3

Wiki.admin: /* 3. Cargo Handling System Validation */

2026-02-13T11:31:51Z

3. Cargo Handling System Validation

Wiki.admin: Created page with "= ISO-Plane TRL3 = == Overview == '''ISO-Plane TRL3''' marks the transition from validated conceptual architecture (TRL2) to detailed engineering definition. At this stage,..."

2026-02-13T11:28:34Z

Created page with "= ISO-Plane TRL3 = == Overview == '''ISO-Plane TRL3''' marks the transition from validated conceptual architecture (TRL2) to detailed engineering definition. At this stage,..."

New page

= ISO-Plane TRL3 =

== Overview ==

'''ISO-Plane TRL3''' marks the transition from validated conceptual architecture (TRL2) to detailed engineering definition.

At this stage, the objective is to demonstrate analytical and experimental proof of critical subsystems, validate structural hypotheses, and prepare the program for industrial engagement.

TRL3 focuses on transforming a coherent digital mock-up into an engineering-driven, simulation-supported aircraft definition.

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== TRL Context ==

Technology Readiness Level 3 corresponds to:

* Analytical and experimental proof-of-concept
* Validation of key subsystems
* Identification of technical risks
* Structural and aerodynamic refinement
* Preparation for pre-industrial maturation

TRL3 is the first phase where engineering depth becomes the primary driver of development.

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== TRL2 → TRL3 Transition ==

=== Achieved at TRL2 ===

* Global aircraft architecture validated
* 3D digital mock-up completed
* Loading system concept defined
* Engine selection confirmed (PW150A)
* Q400-based landing gear integration concept
* Preliminary performance and mass estimation
* Market and operational study

=== Objectives of TRL3 ===

* Detailed structural calculations (RDM)
* Aerodynamic refinement and CFD validation
* Ventral cargo door structural sizing
* Central wing box optimization
* Mechanized arm load path validation
* Landing gear integration structural verification
* Weight breakdown consolidation
* Systems architecture refinement
* First industrial technical exchanges

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== Technical Work Packages (TRL3) ==

=== 1. Structural Engineering ===

* Finite Element Analysis (FEA) of fuselage
* Central wing box structural modeling
* Pressurized cargo bay analysis
* Ventral door reinforcement modeling
* Load cases: flight, landing, container lift
* Fatigue considerations

Primary objective:
Validate structural feasibility of a 4 m diameter fuselage integrating a ventral opening.

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=== 2. Aerodynamics & Performance ===

* CFD analysis of high-wing twin-boom configuration
* Drag breakdown refinement
* Propeller slipstream interaction studies
* High-lift device optimization
* Takeoff and landing performance reassessment
* Updated range analysis

Primary objective:
Validate aerodynamic assumptions and refine mission envelope.

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=== 3. Cargo Handling System Validation ===

* Detailed kinematic modeling of robotic arms
* Load transfer path analysis
* Twist-lock structural validation
* Emergency winch redundancy verification
* Ground clearance simulations
* Failure mode analysis (FMEA)

Primary objective:
Prove autonomous container handling structural credibility.

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=== 4. Landing Gear Integration ===

* Structural integration of Q400-derived landing gear
* Nacelle reinforcement studies
* Retraction mechanism packaging validation
* Ground stability assessment
* Brake energy evaluation

Primary objective:
Ensure compatibility between cargo bay geometry and gear integration.

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=== 5. Mass & Balance Consolidation ===

* Updated mass breakdown
* CG envelope refinement
* Payload-range curve update
* Structural margin validation

Primary objective:
Confirm feasibility of ~30 t MTOW configuration.

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== Industrial Interface (TRL3) ==

TRL3 initiates structured dialogue with industrial stakeholders:

Potential discussions with:

* Engine manufacturers
* Landing gear suppliers
* Aerospace structural partners
* Embedded systems suppliers
* Certification advisors

Objectives:

* Validate technical assumptions
* Identify certification pathways
* Evaluate manufacturability constraints
* Explore partnership opportunities

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== Risk Assessment at TRL3 ==

Major technical risks evaluated:

* Structural reinforcement of ventral opening
* Cargo bay pressurization constraints
* Robotic arm integration mass penalty
* CG shift during container lift operations
* Aeroelastic behavior of high-wing structure

Risk mitigation approach:

* Analytical modeling
* Redundancy concepts
* Conservative structural margins
* Iterative simulation

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== Environmental & Sustainability Considerations ==

TRL3 also integrates environmental refinement:

* Updated fuel burn model
* Structural weight reduction strategies
* Sustainable Aviation Fuel (SAF) compatibility studies
* Preliminary lifecycle thinking (LCA preparation)

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== Deliverables of TRL3 ==

At completion of TRL3, the project aims to produce:

* Validated structural calculation reports
* Aerodynamic simulation results
* Detailed subsystem architecture documentation
* Updated digital mock-up
* Consolidated mass statement
* TRL4 preparation roadmap

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== Path Toward TRL4 ==

TRL4 will focus on:

* Subscale structural demonstrators
* Ground testing of loading mechanism
* Wind tunnel validation (if feasible)
* Certification pre-discussions
* Early industrial feasibility assessment

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== Strategic Vision ==

TRL3 transforms ISO-Plane from an architectural concept into an engineering program.

It is the stage where:

* Feasibility becomes quantifiable
* Industrial credibility begins
* Technical maturity increases
* Program risk is reduced

ISO-Plane TRL3 is the foundation for future prototype development.

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''ISO-Plane – Engineering the next generation of container air logistics.''

@@ Line 199: / Line 199: @@
 == Deliverables of TRL3 ==
-At completion of TRL3, the project aims to produce:
+By the end of TRL3, the ISO-Plane program is expected to transition from a validated concept to a technically supported aircraft definition.
-* Validated structural calculation reports
+This stage does not produce a flying prototype yet — but it produces something equally important: engineering credibility.
 * Aerodynamic simulation results
-* Detailed subsystem architecture documentation
+The main deliverables include:
 * Updated digital mock-up
-* Consolidated mass statement
+'''Structural validation package'''
 * TRL4 preparation roadmap
 ----
 == Path Toward TRL4 ==

@@ Line 83: / Line 83: @@
 === 3. Cargo Handling System Validation ===
-* Detailed kinematic modeling of robotic arms
+At TRL3, the cargo handling system moves from concept validation to engineering verification.
-* Load transfer path analysis
-* Twist-lock structural validation
+The objective is clear: confirm that the autonomous loading architecture is not only innovative, but structurally and mechanically sound.
-* Emergency winch redundancy verification
-* Ground clearance simulations
+This phase is structured around three main validation pillars.
-* Failure mode analysis (FMEA)
 Primary objective:
-----
+Demonstrate that the container lifting system can be integrated into the aircraft structure with credible load management, controlled risk, and aviation-level safety margins.
 === 4. Landing Gear Integration ===