Aerospace textile components must be designed for repeatable performance. A prototype that works once is not enough: the material, weave, dimensions, finishing, stitching and hardware must be controlled so that the same functional result can be reproduced in production.
Why aerospace webbing development starts with a technical brief
The development process should begin with the function of the component and the constraints imposed by its environment. Lécuyer’s aeronautical offer covers straps, webbings, nets, sleeves and assembled components, which means the brief may combine textile, mechanical and integration requirements.
Step 1: translate the application into measurable criteria
- required tensile performance and load direction;
- target elongation or dimensional stability;
- width, thickness and tolerances;
- abrasion and wear exposure;
- UV, humidity, heat or chemical environment;
- flame-performance requirement where applicable;
- hardware, stitching and assembly interfaces;
- colour, marking and traceability needs.
Step 2: develop the weave and material combination
Material selection is only one variable. Weave architecture, yarn count, density, tubular or multi-layer construction, edge design and finishing can all modify the behaviour of the webbing. Lécuyer states that it can develop variable-width, tubular and double-layer constructions and work with standard and high-performance fibres.
Step 3: prototype the complete component
Prototyping should reproduce the intended assembly as closely as possible. If the final component uses a buckle, carabiner, sewn loop, reinforced zone or protective sleeve, those features should be included early because they change how loads are introduced and how the textile behaves.
Step 4: validate by testing
Testing must be aligned with the actual requirement. Depending on the project, validation may address tensile strength, elongation, abrasion, UV exposure, flame behaviour, dimensional stability or assembly strength. The acceptance criteria should be defined before testing so that prototype results can be compared objectively.
| Development stage | Key output |
|---|---|
| Technical brief | Functional requirements and constraints |
| Material/weave selection | Candidate construction |
| Prototype | Representative component or assembly |
| Validation | Measured performance against acceptance criteria |
| Industrialisation | Frozen specification, tolerances and process controls |
| Series production | Repeatable manufacturing and traceability |
Step 5: freeze the specification before serial production
Once the approved performance has been achieved, the important parameters should be documented: material reference, yarn specification, weave, dimensions, tolerances, finishes, sewing pattern, fittings and inspection requirements. This prevents silent changes from altering the behaviour of the component.
Traceability supports controlled production
Traceability can connect batches, materials, manufacturing records and inspection results. For a customer, this helps reproduce an approved design, manage changes and investigate any deviation. For the manufacturer, it creates a clear technical history of the product.
Change management matters
A change that appears minor — yarn supplier, dye, coating, stitching thread or fitting — may affect the final result. Aerospace programmes therefore benefit from a defined change-control process and, where necessary, revalidation of the affected characteristics.
A practical route from prototype to production
For aeronautical and space strap projects, the most efficient approach is to involve textile manufacturing, assembly and testing in the same development loop. This reduces the risk of designing a component that meets the drawing but not the real operating requirement.
Frequently asked questions
What should be tested on a custom aerospace webbing?
The test plan should reflect the application. It may include tensile performance, elongation, abrasion, UV exposure, flame behaviour, dimensional stability and assembly strength.
Why test the complete assembly rather than only the webbing?
Buckles, stitching, folds and connection geometry change the load path. Testing only the raw webbing may not represent the behaviour of the finished component.
What should be frozen before series production?
Material references, weave construction, dimensions, tolerances, finishing, stitching, fittings, identification and inspection criteria should be controlled in the production specification.
How does traceability help aerospace customers?
It helps link delivered products to batches and manufacturing records, supports repeat production, and provides evidence for quality investigations or controlled changes.