1、MIL-B-81366 16 m 9799906 0204557 O m - MIL- B -81366 (WP) 4 April 1966 MILITARY SPECIFICATION BOUNDARY LAYER CONTROL SYSTEM; PRESSURE This specification has been approved by the Bureau of Naval Weapons, Department of the Navy. 1. SCOPE 1.1 This specification covers pressure boundary layer control sy
2、stems of turbo-jet and turbo-prop aircraft for increasing the aerodynamic lif of the wings and flaps during approach, landing, and takeoff. 2. APPLICABLE DOCUMENTS 2.1 Government documents normally furnished - The following documents, of the issuein effect on date of invitation for bids or request f
3、or proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Mili tary MIL-D-8708 Demonstration Requirements for Airplanes MIL-B-81365 Bleed Air Systems, General Specification for (When requesting applicable documents, refer to both title and number. Copies of unclas
4、sified documents may be obtained from the Commanding Officer, Naval Supply Depot (Code 1051), 5801 Tabor Avenue, Philadelphia, Pennsylvania 1912Q Requests for copies of classified documents should be addressed to the Naval Supply Depot, via the cognizant Government inspector.) IFSC 16801 Provided by
5、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-813bb lb m 77777Ob 0204558 2 m MIL-B-81366 (FJP) 3. REQUIREMENTS 3.1 Prototype component inspection - The boundary layer control system furnished under this specification shall be a product which has been in
6、spected and has passed the protoype component inspection specified herein, 3.2 General - The requirements of MIL-B-$1365 shall apply as requirements of this specification with the exceptions and additions specified herein. When the two specifications conflict this specification shall govern, 3.3 Des
7、ign and construction - 3.3.1 Multi-engine aircraft - For multi-engine aircraft, provisions shall be made to prevent loss of boundary layer control air to a non-operating engine, 3.3.2 Manual operation - The boundary layer control system shall be operated by a single control in each cockpit. The cont
8、rol shall be the same control that actuates the wing flaps. 3.3.3 Controls - Controls shall be provided for symmetrical operation of the boundary layer control system, The controls shall be designed to preclude asymmetric flow over the wings and wing flaps. 3.3.4 panel that shall indicate any abnorm
9、al condition in the boundary layer control system. The switches, wires, and other parts of the warning system shall be protected against deterioration from hot air. In dual flight-control aircraft separate signal lights shall be provided for each pilot unless a single set of signal lights is clearly
10、 visible to each pilot. Signal lights - Signal lights shall be provided on the instrument 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection - Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performanc of all inspection requirements as
11、 specified herein, Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the Government, The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to a
12、ssure supplies and services conform to prescribed requirements. - - -y 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-B-81366 16 m 9999906 020q5.59 4 MIL-B-81366 (WP) 4.2 Classification of inspection - The inspection of the boundary layer cont
13、rol system shall be classified as follows: (a) Prototype component inspection (b) Quality conformance inspection 4.3 inspection on the boundary layer control system shall consist of the following and in the order listed: Prototype component inspection - Prototype component Sample 1 (Components and d
14、ucting) (a) Proof pressure (4.5.2) (b) Endurance (4.5.3) (c) Flow resonance (4.5.4) (d) Burst pressure (4.5.5) Sample 2 (Bellows, valves, and ducting) (a) Vibration (4.5.6) 4.3.1 Sampling for protoype component inspection - Unless otherwise specified, as soon as practicable after award of a contract
15、 or order, the contractor shall furnish prototype samples for inspection to determine conformance with this specification. Prototype samples shall consist of two complete boundary Iayer control systems on contract or order. The samples shall be identified with the manufacturers part number and contr
16、act number and shall be inspected as specified herein and in accordance with the contract or order (see 6.2). 4.3.1.1 A sample shall consist of all components necessary to assemble a complete system. 4.4 Quality conformance inspection - The quality conformance inspection shall consist of individual
17、inspec tion. 4.4.1 Individual inspection - Each boundary layer control system on the contract or order shall be subjected to the following inspection in the order listed. Any system component containing a defect or failing to pass any of these / -. 3 Provided by IHSNot for ResaleNo reproduction or n
18、etworking permitted without license from IHS-,-,-tests shall be rejected and replaced. After replacement of the component, the system shall be completely reinspected in the order listed. (a) Examination (4.5.1 (b) Ground operation (4.5.7 (c) Flight (4.5.8 4.5 Inspection methods - 4.5.1 Examination -
19、 The system shall be thoroughly examined to determine conformance with this specification and applicable drawings with respect to all the requirements not covered by tests. 4.5.2 Proof pressure - The boundary layer control system shall be subjected to and shall pass the proof pressure test specified
20、 in MIL-B- 4.5.3 Endurance - The boundary layer control system shall be subjected to and shall pass the endurance test specified in MIL-B-81365. 4,5,4 Flow resonance - The boundary layer control system shall be subjected to and shall pass the flow resonance test specified in MIL-B-81365. 4.5.5 Burst
21、 pressure - The boundary layer control system shall be subjected to and shall pass the burst pressure test specified in MIL-B-81365. 4.5.6 Vibration - The boundary layer control system shall be subjected to and shall pass the vibration test specified in MIL-B- $1365. 4.5.7 Ground operation - Ground
22、operation tests of the system shall be conducted with the aircraft at rest using full operating pressure to demonstrate system control, general security, structural integrity, and safety of the system for flight. The boundary layer control system shall show no evidence of leaks, 4.5.8 Flight - Tests
23、 shall be conducted on the boundary layer control system as part of the flight test program to evaluate the effect of the boundary Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted wi
24、thout license from IHS-,-,-MIL-B-L366 Lb W 7777706 0204562 4 MIL-B-81366 (WP) Data - Data information shall be in accordance with MIL-B-81365. - - 6.3 6.3.1 Prototype data, - When prototype samples are submitted (see 62) they should be accompanied by one complete set of manufacturei! s drawings, the
25、 contractors model specification, a parts list, and a complete test report showing the results of the contractors lests. The test report shall include the following: (a) Report of all. tests, graphically presented when possible, together with a detailed statement indicating compliance or extent of n
26、oncompliance with all requirements of this specification, referring specifically to paragraph numbers. Wherever a requirement is considered to be not applicable, the report should so state. (b) Summary of endurance and vibration tests. (c) Diagrams of test setups. (d) Reproducible outline and descri
27、ption of tests and test conditions. Where tests specified in this specification are not considered applicable, the reason and the substituted test shall be clearly described. (e) Copies of test log sheets. (f) Photographs when available. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
