1、ti z 4 I u i3 PLY RATING _ PiSI14540 7999932 0088074 288 2:; DEREC SATIC INK BEM WH STATIC UUD PRESS. WIDTH RATING PSI INCH w$r :!-y. TREM DEPTH LBS. RATED MAX. MIN. FORM APPROVED OUB NO.OLU-DEB MIN. I UAX 233 I 24.53 THE TIRE SHW. BE IN ACCORDANCE Wmi THE WPUCABLE REQUIREMENIS OF MIL-R-7726 MCEPT A
2、S SPECIFIED HERON. MIN. I UAX MAX. NAX. 7.20 I 7.66 2200 7.500 WIDTH MGES 550 I I I I I I I I I 247.7-101 2on y1 12,900 I 220 I I 36.8 I 14 I RIB I 0.30 I 32x METRIC. 643 Y 210-254 (UM) yn-nmmnRE LEDGE LEDGE FUINGE Hm FUNGE FUNGE EE DiAMEIER WIDTH HEIGHT RADIUS RAIUS EDGE 0.750 10.00 1.70 0.906 0.43
3、8 0.5500 - DATA (STATIC TEST TIRE) REPARING NAW-AS MILITARY SPECIFICATION SHEET YJCTODIANC: ARMY- m UR FORCE- ?MEW: TIRE, PNNWllC, AIRCRAFT. REBUILT 24 x 7.7-10 (NAW) I I INFLATED OTSIDE 1 INFLATED SECTION I INFLATED SHOULDER I INRATED SHOUUIER WEER WIDTH DIAMEIER WIm sPECFICATION Hm MS14540(AS) 31
4、JULYB SUPERSEDING I I I I I I I -1 THE IRE COWZED By THIS I“G SHALL BE SUITABLE mR USE AND PROVIDE REASDUABLE SERMCE LIFE DURING W. N(IRUAL OPEFIATIONS AT TAKEOFF AND UNDING SPEEDS INDICATED HmN ON AU WES OF RUNWAYS AND ON AIRCRAFT CAWUERS. IHRE nREs SHALL BE SUBMITTED THE CONTRACTOR. THE nm w BE WI
5、NED AS SPECIFIED NXOM SHALL BE REBUILT USING THE WE COMPOUNDS AND PROCESSING TECHNIQUE. THE TE3 INFUTION PRESSURE FOR DYNMIIC TESTS SHALL BE 125 PSI AND MUUSIED TO ENSURE TIRE DEFLECTION WITHIN OWN LIMITS. AUSC - N/A FSC 2620 PAGE 1 OF 2 JSER: ROJECT NUMBER: 262O-NZ70 IISTRIBCmON STATEMENTA APPROMO
6、FOR PUBUC RELEPSE: I!iRIB!JilON IS UNUYITED. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MSLY540 9997932 0088075 LLY PREPARING ACTMTY: NAW-As M I LITARY SPFCIFICATION S H ET m CUSTODIANS ARMY- AIR FORCE- RMRN: USER: PROJECT NUMBER: 2620-N270 TIRE
7、, PNEUMATIC, AIRCRAFT, REBUILT 24 Y 7.7-10 (NAVY) FORY APPROVED OYB NJ74-0lM SPECIFICATION SHEE NUMBER MSl4540(AS) 31 JULY SUPERSEDING AMSC - N/A FCC 2620 TIRE 1: DISIRIBUTION SrATEMENT A APPROVED FOR PUBLIC RELEASE: DISTRIBUTION IS UNLIMITED. - DIMENSIONS - THE nRE SHALL BE INFLATED TO 125 PSI AND
8、ALLOWED TO STAND 4 HOURS MINIMUM AT ROOM TEMPERATURE m WHICH THE PRESSURE LOSS DUE TO GROWTH SHW. BE REPMED. THE REBUILT TIRE DIMENSIONS AT 325 PSI SHALL BE WHIN THE PAGE 2 OF 2 DIUENSiONAL LIMITS SPECIRED ABMIE. DYNAMIC TEST - THE TIRE SHALLWIMSTAND 50 CYCLES OFTESTA. 50 mwC OF TEST 8, B CYCLES OF
9、TEST C, 2 CYCLES OFTEST D AND 1 CYCLE OF TEST E WrmOUT FAILURE OR VISIBLE DETERKIRATION OTHER THAN NORMAL MPECTED TREAD WEAR. WNAHK: m. TEST A - TAM-TAKEFF - THE TIRE SHALL BE TAMED ON THE FLYWEEL AT 35 MPH FR 6160 FEE wmi 6.m POUNDS LOAD. UPON COMPLETION OF THE TAXI Roll. ME nWEEL SHW BE STOPPED. I
10、YMEDIAELY ACCELERATED AT AN AMRAGE RATE OF 9.8 AFIER A TU(EOFF ROLL DISTANCE OF 5260 Fm HAS BEEN COMRED IN APPROXIWlELY 35 TO 36 SECONDS. THE INIML uyu) OF 6,400 POUNDS MU BE DECREASED LINEARLY WH TIME TO 4,600 POUNDS AT THE TIME THE TIRE IS UNLANDED. TEST B - LANDING-TAXI - THE TIRE SHAU BE LANDED
11、MNST A FLYWHEEL ROTATING AT A PERIPHERAL SPEED OF 155 MPH. DECELERATION RATE SHALL BE 7.6 FT/SEC/SEC FROM 155 HPH TO O MPH. THE UNDING ROLL MSTANCE Of 3410 FEE SHAU BE COWIED IN APPROXIWELY 30 SECONDS. THE INIIIM TIRE W SHALL BE 2,900 POUNDS INCREASING LINEARLY TO 5,000 WUNOS IN 16 SECONDS, AND INCR
12、EASING LINEARLY TO 5,6Oa POUNDS IN THE NEXT 14 SECONDS. IMMEDIATELY FOUOMNG THE LANDING. THE TIRE StWl BE TAXIED ON THE FLYWHEEL AT 35 HPH FOR 6,160 FEET WH 6,400 POUNDS LOAD. 5,500 POUNDS. THE SPEED SW BE UNWY DECREASED TO 190 UPH IN 13 SECONDS, AND THE TIRE UNLANDED. TEST D - NO FLAP UNDING - THE
13、TIRE SHALL BE LANDED AGAINST THE FLYWHEEL ROTATING AT A PERIPHERAL PEE0 OF 212 UPH. THE AWE DECELERATION RATE SHAU BE 3.4 FT/SC/SEC FROU 212 YPH TO 143 UPH, THEN AT 14.0 FT/SEC/SEC FROM 143 YPH LOAD SHALL BE 6,000 POUNDS FOR 30 SECONDS, THEN LINEARLY DECREASED TO 5,500 POUNDS IN 15 SECONDS. FT/SEC/S
14、EC FROM o UPH TO 80 YPH. AND THEN AT 7.0 FT/SEC/SEC FROM ao YPH TO 190 YPH. THE SHAU. BE UNWED THE AWUC;E TEST c - mum AND GO - THE TIRE SHAU BE MDEO AWINST THE FLYWHEEL AT A PERIPHERAL SPEED OF 212 MPH AT A LOAO OF TO o MPH. THE IANMNG ROU DISTANCE OF io,too m SHALL BE COWZED IN APPROXIMAELY 4s SEC
15、ONDS. THE INITIAL TEST E - REJECTED TAKEOFF - THE TIRE SW BE TAXIED ON THE FLYWHEEL AT 35 UPH FDR 6160 FEET Wmi 7,3300 POUNDS LMD. THE RMHEEL SHALL BE STOPPED, IMUWATELY ACCELERATED AT AN AVERAGE RATE OF 9.8 UPON COUPLEiiON OF THE TAXI FI/SEC/SEC FROM O MPH TO BO MPH. AND AT 7.0 FI/SEC/SEC FROM 80 M
16、PH TO 170 MPH, THEN DECELERATED AT 10.0 FT/SEC/SEC FROK i70 UPH TO D YPH. ME INITIAL TIRE LOAD sibu HOWEVER, A HALF SECTION OF TIRE 2 ANDTHE COMPLEIE TIRE 3, ALONG WITH A REPRESENTATNE HAI+ SECTION OF TIRE 1 A!=ER DYNAMIC TESTS SHALL BE SUBMrllED TO THE COGNIZANT GVERNMENT UBORATORY AS SPECIFIED IN
17、Us3377. Mm 1. IN THE !YEW OF A CONFLICT EEIWW THE TMT W THIS STANMRD AND THE REFERENCES CITED HERIN. THE TMT OF THIS STANDARD SHALL TAKE PRECEDENCE. INM OF SPECIFICATIONS AND STANDARDS (WOISS) SPECIREC IN THE XKICKATION FORM A PART OF THIS STANMRO TO THE MTENT SPECIFIED HEREIN. 2 REERENCED GOWZNYENT (OR NON-GOWWMENT) DOCUMENTS OF THE ISSUE Usm, IN THAT ISSUE OF THE DEPARTMENT OF DEFENSE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
