1、 . - -. t MIL-L-81979 LO m 9999906 03b0262 .- 4 = 15 August 1974 MIUTAFIY SPECIFICATION LAUNCHERS, mm LAU-lOC/A AND LAU-lOD/A This specification has been appryed by the Naval Air Systems Command, Department of the Navy. G 1. SCOPE. 1.1 Scope. Ihis specification covers two dual purpose airborne ex-
2、 ternal. store rocket launchers capable of shipping and storing four 5.O- inch ZUNI Rocket btors, md launching four 5.0-inch ZUNI rockets. 2. APPLICABLE Dom. 2.1 ?he following documents of the issue in effect on the date of invitation for bids or request for proposal, form a part of the specifi- cat
3、ion to the extent specified herein, SPECIFTCATTONS Military MILC-SO15 Connector, Electric, AN Type. MIL-1-8500 MIGN-1830 7 MIGP-19834 Interchangeability and Replaceabil- ity of Component Parts for Aircraft and Missiles. . Nomenclature and Identification for Electronic, Aeronautical, and Aero- nautic
4、al Support Equipment, hclud- ing Ground Support Equipment, Plates, identification, Met; and other docwnents listed on DL 490204b for IAU-lOC/A and DL 4902292 for LAU-lOD/A. 3.3 Materials and pmcessses . 3.3.1 Materiais. All mterials used in the construction of the laun- cher shall be in accordance w
5、ith MIGSTD-454, Requirement 3, Flammable %teriais; Requiremnt 4, Rmgm-Inert Phteriais; Requirement 16, Dis- Srnlar i. I T._. i. .:Lmited, Resonance bell Eliminated. Excitation time shall be equally divided between temperature of - 40 f 2 degrees centigrade (OC) (- 40 r4 degrees Fahrenheit (OF) an am
6、bient (23 f 10C or 73 f 18OF). puts levels shall be 0.65 gravity unit (g) peak amplitude Born 5 to Excitation in- 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-81977 LO 9797906 03b0272 7 W MILL 81979 (AS) e- 27 Hertz (Hz) and 0.018-inch do
7、uble amplitude from 27 to 52 Hz. tim from 5 to 26 to 5 Hz shall be i5 minutes logarithically. The launcher shall nieet the requirements of 3.5.4.2 (see Note 4.6.1.2). Sweep 4.6.1.2 Palletized mm handling. Subject four inertly loaded launchers (one pallet load) to a total of six impacts in different
8、loca- tions from a height of 18 inches in accordance Ath MILSTD-O, In the transverse and verticalaxes, excitation input shall be O ,015 g2/ Hz power spectral density flat from 200 to 2,000 Hz with 3 decibels in each octave (dEVoctave) rolloff from 10 to 200 Hz. In the longitudinal axis, excitation i
9、nput shail be 0.010 g2/Hz power spectral density flat from 200 to 2,000 Hz with a 3 dB/octave rolloff from 10 to 200 Hz. 4.6.1.4.2 Helicopter. The launcher shall have sinusoidal excitation applied at 25-minute frequency dwells as follows: Vertical Transverse Longitudinal Hz axis axis axis - PA - Hz
10、 PA L *PA - 1.8 g 11 0.7 g 11 1.0 g 11 0.9 g 22 0.6 g 22 0.6 g 22 0.6 g 44 +r Peak amplitude Apply ?minute frequency sweeps covering the frequency range of 5 to 500 to 5 Hz in 5 minutes along each of three mutually perpendicular axes with the launcher first filly loaded with four inert ail-up round
11、s, then with the launcher empty. Total test time for this portion of the test shall be 10 minutes per axis. Excitation inputs shall be as follows : Vertical axis: O .40-inch double amplitude from 5 to 10 Hz, 2 g peak amplitude from 10 to 500 Hz. Transverse axis: 0.40-inch double amplitude from 5 to
12、7 Hz, 10 g peak amplitude from 7 to 18 Hz, 0.06-inch double amplitude fim 18 to 26 Hz, and 2 g peak ampli- tude from 26 to 500 Hz. Longitudinal axis: 0.40-inch double amplitude from 5 to 7 Hz, 1.0 g peak amplitude from 7 to 33 Hz, 0.018- inch double amplitude from 33 to 48 Hz, and 2 g peak amplitude
13、 from 48 to 500 Hz. 12 t Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-1777 LO 77777Ob 03k027q O MILL- 81979 (AS) 4.6.2 Leakage. The empty launcher, with shock pans installed, shall be temperature conditioned at ambient temperature (23 5 10C
14、or 73 f 180) for 24 hours. Evacuate the launcher to a vacuum of 7 f 0.5 inches of mrcury, and continue to store the launcher at the conditioning temp- erature for a period of 8 hours. of 3.5.4.1. ?he launcher shall meet th requirements 4.6.3 Humidity in salt-laden atmosphere. %e empty launcher, shoc
15、k pans, thermal shields, and fairings removed, shall be subjected to ten l2-hour cycles of humtdity with salt-laden atmsphere. ning the first test cycle, precondition the chamber at 21 f l0C (70 ). (c) 7,200 rf: 30 pounds forward. (d) 7,200 f 30 pounds remard. The test shall be in two pasts as follo
16、ws: (e) Down load and side load, right to left;, combined with forward load. (f) Down load and side load, left to right, cambined with rear- ward load. Repeat above test using 30-inch suspension. the requirements of 3.5.5.1. . 4.6.4.2 Fairings. Ihe fairing;, installed on a auncheror a simu- lated la
17、uncher end, shall be subjected to static loads simulating aero- ?he launchr shall meet dynamic loads as follows: (a) Axial (externally applied): 1,390 pounds total load applied in such a rranner that the peak load force is at the tip of the cone and gradually diniinishes to zero at the base, with eq
18、ual forces applied overthe periphery of the cone. (b) Side (externally applied): Side load of 437 pounds total load equally distributed from the tip of the cone to the base shall be applied in a mer that also distributes the load over approximately one-half of the circumference. The fairings shall m
19、et the requirements of 3.5.5.2. 4.7 rational tests. 4.7.1 Ground riring. ?he launcher with fairings shall be loaded with four all-up rockets consisting of live MK 71 PDD 1 mtors, and inert warheads and fuzes. The launcher shall be fired from a suit- able ground firing mount. All four rounds shall be
20、 fired in the single fire mde. fired in the ripple fire mode. ments of 3.5.6.1. The launcher shall then be reloaded and four rounds Ihe launcher shall rrieet the require- I. i4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-1777 10 W 7777906 0
21、360276 4 W 4.7.2 Aircraft firing. ?he launcher with fairings shall be loaded with four all-up rockets consisting of live MK 7i MOD 1 motors, and inert warheads and fuzes. The launcher shall be attached to the normal carry stations on a military jet attack or fighter aircraft (6.2(d) and fired using
22、simulated ccpnbat flight profiles. All four rounds shall be fired in single fire de. The launcher shall be reloaded and fired in the ripple fire de. The launchers shall meet the requirements of 3.5.6.2. 4.7.3 Fast cookoff. ?he LAU-lOD/A launcher, loaded with four live all-up rockets consisting of MK
23、 71 MOD 1 mtor, MK 63 warhead, and MK 93 me, and with thermally protected front fairing and with rear thermal shield, shall be subjected to the condLtions of MIbSTbi648. 4.7.4 Reliability demonstration. The data from testing performed in Table I shall be used to demonstrate the reliability requireme
24、nt of 3.4.3. 4.8 Test plan and test reports. 4.8.1 Test plan. Unless otherwise specified in the contract or pur- chase order, a detailed test plan shall be provided to the procuring activity prior to testing and delivery of the preproduction sample. test reports in accordance with msb83i shall be av
25、ailable at the contractors plant to the procuring activity. contract or purchase order, copies shall be delivered to the procuring activity. 4.9 Preparation for delivery. Prior to shipment, the launcher shall be inspected to ensure that preservation, packaging, packing, and mark- ing for shipmnt.are
26、 in accordance with the requirements of Section 5. 4.8.2 Test report. When specified in the contract or purchase order, When required by the 5. PFEPAFWITON FR DELEEFE. 5.1 Palletizing. ?he complete launcher shall be palletized for delivery in accordance with procuring activity instructions on Gaverm
27、ent-furnished pallets. procuring activity. 5.2 mm-g and labeling. 5.2.1 Pallets. Marking and labeling shall be in accordance with Delivery shall be as directed by the MIZ-SD-129. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- i I i- -. MIL-L-II977
28、II0 = 9999906 0360277 6 MILL 81979 (AS) 6. NOTES. 6.1 Intended use. These launchers are intended for shipping and storing four 5.0-inch ZUNI rocket mtors, and for launching four 5.0- inch ZUNI rockets. 6,2 Ordering data. Procurement documents should specify the fo1lmir-g: Etle, number, and date of t
29、his specification. Preproduction sample testing activity (see 3.1 and 4.3). Certification of confomce (see 4.5.2) . Designated activity or activities and aircraft for firing tests (see 4.7). Test reports, requir-nt for and distribution of (see 4.8.2). Any preparation for delivery requimnt other than
30、 Section 5. A quality program in accordance with ASPR 14-101.4, &ter coordination in accordance with ASPR 14-101,5(a)i(D). Project No. 1055-NO55 I . . A-+-.&-& -. I _-=- .CI U. S. GOVEANMENT PRINTIM OFFICG 1974 -603-122/526 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
