1、flS26539 REV C 26 9999912 0008701 1 W -29-6/ FED.SUPCLASS 2620 THE TIRE SHALL BE IN ACCORDANCE WITH THE APPLICABLE REQUIREMENTS OF SPECIFICATION MIL-T-5041 EXCEPT AS SPECIFIED HEREIN STATIC VERT INFL BURST BEAD STATIC MOLD PLY LOAD LOAD PRESS. PRESS. WIDTH WEIGHT UNBAL. SKID DEFLEC MS PART SIZE RATI
2、NG RATING LBS. PSI PSI INCH POUNDS OZ.-IN. TREAD DEPTH t3% NO. Y LBS. MIN RATED MIN ?/ MAX MRX MAX- 3/ MIN -4% MS26539-5 22 x 5.5 12TT 7100 37,500 235 1060 1.30 20.0 13 RIB .19 32% MS26539-6 22 x 5.5 12TL 7100 37,500 235 1060 1.45 24.0 13 RIB .19 32% - 1/ TI - TUBETYPE TIRE - 2/ NEW TIRE - 3/ AT LEA
3、ST THREE, BUT NOT MORE THAN SEVEN TL - TUBELESS TIRE CONTINUOUS CIRCWFERENTIAL RIBS. THE TIRE COVERED BY THIS DRAWING SHALL BE SUITABLE FOR USE AND PROVIDE REASONABLE SERVICE LIFE DURING ALL NOHL OPERATIONS AT TAKEOFF AND LANDING SPEEDS INDICATED HEREIN ON ALL TYPES OF RUNWAYS AND ON AIRCRAFT CARRIE
4、RS. TIRE 1: OF TESTS Di AND 02, AND 15 CYCLES EACH OF TESTS E1AND E2 WITHOUT FAILURE, THEN BE SUBJECTED TO TEST F. TIRE 2: STEEL BAR IN TWO LOCATIONS 180 APART ON THE TIRE. CYCLES OF TEST B WITHOUT FAILURE, THEN BE SUBJECTED TO TEST F. TIRE 3: THE TIRE SHALL WITHSTAND A MINIMUM HYDROSTATIC BURST PRE
5、SSURE OF 1060 PSI UNLESS THE BURST PRESSURE OF TIRES 1 ANO 2 PASSES TEST F. QUALIFICATION TEST REPORT. THE TIRE SHALL WITHSTAND 50 CYCLES OF TEST A, 50 CYCLES OF TEST B, 15 CYCLES OF TEST C, 15 CYCLES EACH THE TIRE SHALL BE INFLATED TO 375 PSI AND VERTICALLY LOADED TO 37,500 POUNDS OVER A 1.375 INCH
6、 DIAMETER THE TIRE SHALL THEN WITHSTAND 25 CYCLES OF TEST A AND 25 THE FAILING PRESSURE, DESCRIPTION OF FAILURES AND LOCATION SHALL BE REPORTED IN THE TEST A TAXI-TAKEOFF - THE TIRE SHALL BE LOADED ON A STATIONARY FLYWHEEL AT 7100 POUNDS, THE FLYWHEEL SHALL BE ACCELERATED TO 30 MPH UNDER THE LOAD AN
7、O TAXIED AT THIS SPEED FOR 10,000 FEET. UNDER THE 7100 POUNO LOAD. THEN ACCELERATED AT AN AVERAGE RATE OF 10.12 FT/SEC/SEC FROM D TO BO MPH. FROM BO THE FLYWHEEL SHALL BE STOPPED TO 195 MPH AT AN AVERAGE RATE OF 7.26 FTISECISEC, THEN FROM 195 TO 201 MPHAT AN AVERAGE ACCELERATION OF 3.35 FT/ SEC/SEC
8、AT WHICH TIME THE TIRE IS UNLANDED. SECONDS. 35 SECONDS AND TO ZERO LOAD AT THE TIME THE TIRE IS UNLANDED. THE TAKEOFF ROLL DISTANCE OF 5950 FEET SHALL BE COVERED IN 37 TO 38 THE 7100 POUND LOAD SHALL BE DECREASED LINEARLY WITH TIME TO 3500 POUNDS AT 5 SECONDS, 2300 POUNDS AT TEST B THE FLYWHEEL SHA
9、LL HAVE A DECELERATION RATE OF 4.40 FT/SEC/SEC FROM 150 MPH TO 135 MPH, FOLLOWED BY AN AVERAGE DECELERATION RATE OF 7.05 FT/SEC/SEC TO O MPH. THE TOTAL ROLL DISTANCE OF 3850 FEET SHALL BE COVERED IN 33 TO 34 SECONDS. AFTER 15 SECONDS AND TO 5300 POUNDS IN 33 SECONDS. FOR 10,DOO FEET. LANDING-TAXI -
10、THE TIRE SHALL BE LANDED AGAINST A FLYWHEEL ROTATING AT A PERIPHERAL SPEED OF 150 MPH. THE LOA0 SHALL INCREASE LINEARLY WITH TIME FROM O POUNDS TO 2400 POUNDS IN 5 SECONDS; TO 4400 POUNDS THE TIRE SHALL THEN BE TAXIED AT 30 MPH AND THE 5,300 POUND LOAD TEST C CATAPULT TAKEOFF - THE TIRE SHALL BE LAN
11、DED AT A LOAD OF 18,750 POUNDS AGAINST THE FLYWHEEL ROTATING AT A PERIPHERAL SPEED OF 34.5 MPH AND UNLANDED AFTER A DISTANCE OF 300 FEET HAS BEEN COVERED. OF 375 PSI ADJUSTED FOR FLYCMEEL CURVATURE SHALL BE USED. AN INFLATION PRESSURE TEST D TAKEOFF CAMBER 01 D2 PERFORM THE TEST A PERFORM THE TEST A
12、 SPECTRUM WITH THE PLANE OF THE TIRE INCLINED INBOARD AT AN ANGLE OF 5 DEGREES. SPECTRUM WITH THE PLANE OF THE TIRE INCLINED OUTBOARD AT AN ANGLE OF 5 DEGREES. TEST E LANDING CAMBER E1 PERFORM THE TEST B E2 PERFORM THE TEST B SPECTRLM WITH THE PLANE OF THE TIRE INCLINED INBOARD AT AN ANGLE OF 5 DEGR
13、EES. SPECTRUM WITH THE PLANE OF THE TIRE INCLINED OWBOARD AT AN ANGLE OF 5 DEGREES. TEST F UNTIL THE TIRE FAILS. THE QUALIFICATION REPORT. BURST TEST - THE TIRE SHALL BE SUBJECTED TO A HYDROSTATIC BURST TEST. THE PRESSURE SHALL BE INCREASED THE FAILING PRESSURE, DESCRIPTION OF FAILURE AND LOCATION O
14、F FAILURE SHALL BE REPORTED IN ENTIRE STANDARD REVISED I .A. IAW - AS %her Cust ARMY - AV USAF - 99 I n 0 D c w 3 c o lMS26539 TIRE, PNEUMATIC, AIRCRAFT, 22 x 5.5, TYPE VI1 (NAVY) I I 2 ROCUREMENTSPECIFICATION SUPERSEDES SHEET 1 OF MIL-T-5041 DtiU. 2620-0239 PREVIOUS EMTIONS OF THIS TORY ARE OBSOLET
15、E DD ,EA 672-1 (cmr- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS26539 REV C 26 7777732 0008702 3 S. FED. SUPCUSS 2620 NOTE - WEN THE CONSTRUCTION OF THE CONVEKTIONAL AND TUBELESS TIRES IS IDENTICAL, EXCEPT FOR THE TUBELESS TIRE INNER LINER, ON
16、LY THE TUBELESS TIRE NEED BE QUALIFIED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS DRAWING. AIR RETENTION - THE TUBELESS TIRE SHALL BE INFLATED TO A PRESSURE OF 350 PSI FOR 12 PR ANO ALLOWED TO STAND FOR A PERIOD OF 24 HOURS AT WICH TIME THE PRESSURE OROP DUE TO GROUTH SHALL BE REPLACED. AN ADDITIOX
17、AL 24 HOURS AT WHICH TIME THE PRESSURE SHALL BE MEASURED AND THE TIRE INSPECTED. SHALL NOT EXCEED 5 PERCENT AND THE TIRE SHALL NOT REVEAL ANY APPEARANCE ANO PERFORMANCE DEFECTS SUCH AS SIDEWALL BLISTERS, TREAD SEPARATION, ETC. THE TIRE SHALL THEN STAN0 FOR THE AIR PRESSURE LOSS QUALIFICATION TEST RE
18、PORT - THE QUALIFICATION TEST REPORT SHALL LIST THE RESULTS OF ALL QUALIFICATION TESTS AND THE GOWSTRUCTION DETAILS OF THE QUALIFICATION TEST SAMPLE IN THE GENERAL FORM SHOWN IN FIGURES 2 AND 3 OF MIL-T-5041, IN ADOITIOW, IT SHALL ALSO LIST THE ACTUAL DIMENSIONS WHEN THE TIRE IS INFLATED TO 265 PSI
19、FOR 12 PR. THE REPORT SHALL INDICATE THE EVINUFACTURERS TEST NUMBER. DATA AND MATERIAL SPECIFIED ABOVE, ANO IN MIL-T-5041, SHALL BE SUBMITTED TO THE NAVAL AIR SYSTEMS COWNO, WSHINGTON, DC, 20361 ATTENTION: AIR-53032. TWO (2) COPIES OF THE QUALIFICATION TEST REPORT, TOGETHER WITH THE NOTES : 1. REFER
20、ENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BIOS, OR REQUEST FOR PROPOSAL EXCEPT THAT REFERENCE ADOPTE0 INDUSTRY STANDARDS SHALL GIVE THE DATE OF THE ISSUE ADOPTED. FOR DESIGN FEATURE PURPOSES, THIS STANDARD TAKES PRECEDENCE OVER PROCUREMENT DOCUMENTS REFERENCED HEREIN.
21、 2. .A. TITLE I MILITARY STANDARD iIAVY - AS Jther Cust ARMY - AV USAF - 99 lMS26539 TIRE, PNEVMATIC, AIRCRAFT, 22 x 5.5, TYPE VI1 (NAVY) Mll -T-VlAl I ISHEET OF 3 lROCUREMENTSPECIFICATION SUPERSEDES MMOUS EMTIONS OF THIS FORM ARE ORSOLETE. DD 672-1 (MWW *U.S GOVERNMENT PRINTING OFFICE: 1985 - 506-038/24010 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
