1、6 P li O Y - I f EO. SU? CLASS I 2620 THE TIRE SHALL BE IN ACCDRDANCE YITH THE APPLICABLE REQUIREMENTS OF MIL-T-5Wl WEPT AS SPCCIFIED HEREIN u Tubeless Tire 2/ ikn Tire At lrit three, but not MM thin Iwan continuaus elrcunt orant lo1 ri bi TIRE DATA (INCH) INFLATED OUTSIDE DIAMETER HIN WX 19.55 20.1
2、5 INFLATED SECTION WIDTH Hm MX 5.35 5.70 INFLATED SHWLDER DIMER INFLATED SMULOER WIDTH wx MX 19.30 1.95 WIDTH MIN. RANGE BEWEEN FLANGE LEDGE LEDGE FLANGE HEEL FLANGE EDGE FLANGES WIDTH DIAMETER WIDTH HEIGHT RA0 I us RADIUS RADIUS - - - - 4.25 .656 10.00 1.36 .e75 ,219 .438 .o62 12 PLY RATING ns26540
3、-i MIS TIRE SHALL BE SUITABLE FOR USE AND PROVIDE REASMIABLE SERVICE LIFE WR1NG.M.k NOML OPERATIGISAT TAKE OF SPEEOS OF NDT HIMUIF. THAN 161. MPH AND UNOIUG SPEEDS OF NOT HXE.THAN 138 HRH MI ALL TYPES OF RUMYS ANI) ON ATkUUFI URRIERS. THIS TIRE SHALL WITHSTAND WITHOUT FAILURE THE TESTS SPECIFIED IN
4、PARAGRAPHS (i), (2) AND (4): (1) RUISE TESTS - THE TIRE SHALL BE INFLATED WITH AIR TO 290 PSI NID LOAM0 AGAINST A ONE ANO THREE-EIGHTHS (1-3lB“) bGTH OF PLAIN ROUND STEEL BAR STOCK. A VERTICAL LOAD AS SPECIFIED ABOVE SHALL BE APPLIED YITH THE VERTICAL CENTER-LINE OF THE HWNTEO TIRE MKING AN ANGLE OF
5、 90 DEGREES WITH THE PLATEN. IIFIEDIATELY FOLLOWING THE RELEASE OF THIS LOAO THE TIRE SHALL BE SUBJECTED TO A LOAO OF 27,600 PWNDS USING RATEO INFLATION AT A SPOT 180 DEGREES FROM THE INITIAL POINT Of LOADING. . (2) DYHIC TEST - FOLLOWING THE ABOVE BRUISE TEST THE TIRE SHALL BE SUBJECTED TO 25 DYHAH
6、OHETER LANDINGS AT A SPEED OF CWPUTED IN ACCORDANCE WITH SPECIFICATION MIL-T-5041. IZO MPH WITd AN UNLANOING SPEED CALCULATED TO MKE THE TIRE ABSORB 80% OF THE INITIAL FLYWHEEL ENERGY WHEN INFLATION PRESSURE ADJUSTED FOR FLYMEEL CURVATURE. THE STATIC LWD WLL BE SPECIFIED AS ABOVE AND THE (3) BURST T
7、EST - FOLLOWING THE ABOVE DYNAMIC TEST THE SAME TIRE SHALL BE SUBJECTED TO A HYDROSTATIC BURST TEST. PRESSURE SHALL BE INCREASED UNTIL THE TIRE FAILS AND THE FAILING PRESSURE, DESCRIPTION OF FAILURE AND LOCATION SHALL BE REPORTED IN THE QUALIFICATION TEST REPORT. THE (4) OYHAMOMETER TEST - A NEW TIR
8、E SMLL BE SUBJECTED TO 50 HIGH SPEED (120-90 IIPH) LANDINGS AM, 50 Illw -WO) WDRG AS IEs(xIB%D IN KIL-T-Wtl. 14 PLY RATING W26540-2 THIS TIRE SHALL BE SUITABLE FOR USE ANO PROVIDE REASONABLE SERVICE LIFE WRING ALL NORML OPERATIONS AT .AKE-OFF SPEEDS OF NOT HORE THAN 200 RH ANO LANDING SPEEDS .OF NOT
9、 MORE THAN 173 HPH ON ALL PIPES DF RUNWAYS ANO AIRCRAFT CARRIERS. - THE TIRE SHALL WITHSTAND 50 CYCLES OF TEST A, 50 CYCLES OF TEST Bi 5 CYCLES OF TEST C ANO 5 CYCLES OF TEST C2 ANO THE FAILING PRESSURE. DESCRIPTION OF FAILURE AND LOCATION SHALL BE REPORTED IN THE QUALIFICATION TEST REPORT. WITHOUT
10、FAILURE ANO THEN BE SUBJECTED TO A HYDROSTATIC BURST TEST. THE PRESSURE SHALL BE INCRSEO UNTIL THE TIRE FAILS T- - THE TIRE SHALL BE INFLATED TO 365 PSI AND VERTICALLY LOADED TO 4li5D0 PWNDS OVER A 1-3/8 INCH DIAMETER STEEL BAR IN TU0 LOCATIONS 1800 APART ON THE TIRE. FAILURE, ANO THEH BE SUBJECTED
11、TO A HYDROSTATIC BURST TEST. THE FAILIWG PRESSURE, DESCRIPTION OF FAILURE AND LOCATION SHALL BE REPORTED IN THE QUALIFICATION TEST REPORT. THE TIRE SHALL WITHSTAND 25 CYCLES OF TEST A ANO 25 CYCLES OF TEST B WITHOUT THE PRESSURE SHALL BE INCREASED WTIL THE TIRE FAILS AND -) ENTIRE STANDARD REVISED v
12、 A WAVY -AS TITLE MI1 IT ARY fT AN DARD Mucasa TIRE, PNEWTIC. AIRCWFT. 205.5 TYPE VI1 (MW) MS26540(AS) OF2 ROCWIEYNi SPECIF:IC*TIOI SWERSEWS: MET , ID 672-1 tiii*d rnrlutu) -L*-“TLc.lllyIL.m y PROJECT NO. 2620-N2W / MIL-T-5041 - FtATE NJ. 149: I - Provided by IHSNot for ResaleNo reproduction or netw
13、orking permitted without license from IHS-,-,-MS2654O REV B 26 = 9999912 0008704 7 IRE-3 - THE TIRE SHALL WITHSTAND A MlHlMW HYMMSTATIC BIRST PRESSME W 1035 PSI PRESSURE. WES THE BURST PRESSURE OF him ANO 2 MEET THE HiNnW BMST PRESSURE REQUIRMMT. ME FAILINS PRESWRE, .DESCRIPTION OF FAILURE, AND LOCA
14、TION SHKL BE REPORTED IN THE QIAUiFICATiON TEST REPORT. 1 fST-A - TAXI - TAKE OFF - TAXI THE TIRE ON THE FLYWEEL, STW THE FLYWEEL UOER Nu LMD, AND THEW ACCELER4TE (SIWTINS AW-OFF) TO 173 MCORMIICE YIM THE FC4LWINS MTA: 1- (LES) WEED (WH) TM (SEC) DISTANCE (FT) TAXI 7.200 7.100 7,000 6.800 6.600 6,40
15、0 5.700 5.000 4.200 3,200 O TAKgm 7,200 23 O 41 83 121 156 189 194 196 197 198 199 296 O 5 10 15 20 _. 25 26 26.2 26.4 26,6 26.0 10.000 O 140 600 1400 2390 3650 3940 4000 4050 4100 4160 TEST 8 - LANDING - TAXI - THE TIRE SHALL BE LANDED AGAINST THE FLYWHEEL ROTATING AT A PERIPHERAL sPEm OF 173 IPM.
16、DECELERATED TOAXIEO Ib ACCORMNCE YITH THE FOLLWING MTA: LWD (LBS) O 2.450 3.700 4.500 4.900 5,200 5.350 5.400 5.400 SPEED (nm) 173 158 133 109 86 62 38 14 O TIHE (SEC) O 5 10 15 20 25 30 35 38 TAXI 5,400 23 2% 10,WO TEST C - TAXI VAU TEST C1 - LEFT YAW - LAN0 THE TIRE ACAINST THE FLYHIEEL WITH THE P
17、LANE DF THE TIRE YAWED LEFT AT AN ANGLE OF 5. A CYCLE SHALL CONSIST OF A ROLL DISTANCE OF lDiOOO FEET YITH A SPEED OF 23 CIPH AWD A LMD OF 7200 POVNDS. C2 - RIGHT VAU - WE AS C1 EXCEPT THE PLANE OF THE TIRE SHALL BE YAWED RIGHT AT AN ANGLE OF 50. 12 ANO 14 PLY RATING AIR RETENTION - THE TIRE SHALL B
18、E INFLATED TO A PRESSURE W 290 PSI FOR THE 12 PR ANO 365 PSI FOR THE 14 PR ANO ALLOWED TO STAHO FOR A PERIOD OF 12 HOURS AT WHICH TIME THE PRESSURE DROP DUE TO GROWTH SHALL BE REPLACED. STAND FOR AN ADDITIONAL 24 HOURS AT UHICH TIME THE PRESSURE SHALL BE MEASURE0 ANO THE TIRE INSPECTED. THE AIR PRES
19、SURE LOSS SHALL NOT EXCEED 5 PER CENT ANO THE TIRE SHALL NOT REVEAL ANY APPEAMNCE AND PERFOMNCE DEFECTS SUCH AS SIDEWALL BLISTERS, TREAD SEPARATION. ETC. THE TIRE SHALL THEN QMLIFICATIOH TEST REPORTS - THE QUALIFICATION TEST REPORT SHALL LIST THE RESULTS OF ALL qUALIFICATIW4 TESTS ANO THE CONSTRUCTI
20、ON DETAILS OF THE QUALIFICATION TEST WPLE IN THE GENEWU FORM SHOH IN FIGURES 6 W NGT4W WITH DIMENSIONS LISTE0 AT RATEO INFLATION. IS INFLATED TO 290 PSI FOR THE 12 PR ANO 365 FOR THE 14 PR. WITH THE DATA AND MTERIAL SPECIFIED ABOVE ANO IN NIL-T-5041 SHALL BE FORWARDED TO THE HAVAL AIR SYSTEMS CMIIRN
21、D, IN AOOITION, IT SHALL ALSO LIST THE ACTWL TIRE DIMENSIUNS UHEN THE TIRE Two (2) COPIES OF THE QWLIFICATIDN TEST REPORT, TOGETHER YASHINGTON. 0.C. 20361 AN: AIR-53032. NOTES: 1. REFERENCED WCWMTS SHALL BE of THE ISSUE IN EFFECT Ow CATE OF INVITATTIOWS FOR BIDS, OR REQUEST FOR PROPOSAL EXCEPT TIUT REFERENCE ADOPTED INDUSTRY STANDARDS SHCiLL SIVE THE DATE OF THE ISSUE ADOPTED. FOR DESISN FEATURE WRPOSES. THIS STANDARD TAKES PRECEMNCE WER PROCUIMD(T DoclNWS REFERENCO HEREIN. 2. I IMS26540 (AS) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
