The Combustion Liner, Part Number 6899081, is a critical turbine engine component used within helicopter powerplant combustion systems. Offered in as removed condition, this liner has been previously installed and removed from service and is intended for inspection, evaluation, repair, or overhaul by qualified aviation maintenance organizations. The component measures approximately 12 inches in height, consistent with its designed engine configuration.
Combustion liners form the internal boundary of the combustion chamber, where fuel and compressed air are mixed and ignited to generate the energy required to drive the turbine section of the engine. The liner must withstand extreme operating conditions, including high temperatures, pressure fluctuations, and continuous thermal cycling. Its design helps ensure stable combustion, efficient heat distribution, and protection of surrounding engine structures.
Part number 6899081 is manufactured to precise aerospace tolerances to ensure correct fitment and airflow characteristics within approved engine assemblies. Combustion liners are typically produced from advanced heat-resistant alloys capable of maintaining structural integrity and dimensional stability under prolonged exposure to combustion temperatures. Cooling holes, internal geometry, and surface treatments are carefully engineered to manage heat transfer and extend component service life.
This component is associated with helicopter turbine engines developed under the Allison brand and now supported by Rolls‑Royce. These engines are widely used in rotary-wing aircraft where dependable combustion performance is essential for power output, fuel efficiency, and operational safety.
As an as removed part, the combustion liner should undergo detailed inspection for cracking, distortion, hot spots, and erosion before any potential return to service. Such inspections are typically conducted during engine overhaul or component repair programs in accordance with approved maintenance manuals and regulatory requirements.
The Rolls-Royce (Allison) Combustion Liner 6899081 is suitable for MRO facilities, aviation operators, and parts distributors supporting helicopter turbine engine maintenance and spare inventory needs. Final determination of airworthiness and approval for installation must be made by authorized maintenance personnel.
The Combustion Liner P/N 6899081 remains a vital turbine engine component where controlled combustion, durability, and compliance with original manufacturer specifications are required.
Reviews
There are no reviews yet.