NAVY MS17838 REV A-1981 TIRE PNEUMATIC AIRCRAFT 28 X 7 7 - TYPE VII (NAVY)《28 X 7 7 VII(NAVY)型飞机汽轮胎》.pdf

1、MS37838 REV A 26 7777732 0008Y28 7 m f CO. SUC CLASS THE TIRE SHALL BE iH ACCORDAHCE HITH THE APPLICABLE REQIREWHTS OF MIL-T-5041 EXCEPT AS SPECIFIED HEREIN STATIC INFL. BURST BEAD STATIC WXD PLY LOAD PRESS. PRESS. WIDTH HEIGHT UNBAL SKID DEFLC. MS PART SIZE RATIffi RATING PSI PSI IN. LBS. 02-IN TRE

2、AD MPTH t3% ko. 1/ LBS. RATED HIN. MX. MX. WX. 3J MIN. -4% - - H$1783-l 287.7 14 TL 11,000 195 Z/7BO 1.75 45.0 17 Rib 0.45 32% 1/ n - Tuboless - 2i New tire 21 At least three, but not more than seven continuous circumferential ribs - Fabric Tread TIRE WTA (I“) IMFLATED CENXTEI(L1HE INFLATED SECTION

3、IHFLATED SHWLDER INFLATED SHOULDER DIMETER WIDTH DIAMETER WIDTH MIN K4x 26.60 27.40 7.40 7.85 24.90 6.95 HIN Ku MX MX RIM MIA (IHCH) WIDTH FLANGE BETWEEN FLANGE LEGE LEDGE FLANGE HEEL FLANGE EDGE FLAHGES WlDTH DIMETER HIDTH HEIGHT RADIUS RADIUS RADIUS 6.0 . 750 14.0 1.75 1 .o .25 .c .125 - - - / THE

4、 TIRE COVERED BY THIS MUWING SHALL BE SUITABLE FOR LSE AND PROVIDE REASMIABLE SERVICE LIFE WJRING ALL NOMIWU. OPERATIONS AT TAKE-OFF SPEEDS OF HOT MORE THAN 200 MPH AND LANDING SPEEDS OF NOT MORE THAN 105 MPH.ON ALL TYPES OF RUNUAYS. THE TIRE SHALL YITHSTAND YITHWT FAILURE THE FOLLOWING TESTS: (1) Y

5、MHIC_TC,SI - TllE TIRE SIHLL SATISrACTOHILY UIlIISTAND 50 CYCI LS O1 TEST “A“ FNLWCD BY 100 CYCLES Cf TEST 8“ hiicdUT EVIDENCE OF FAILURE. IF A 14 PLY RATING TUUCLESS TlHL OF AN APPROVED HIL-T-541 CUiSTRUCTIUi IS USED, ONLY TEST “A“ NEED BE MADE. EST A - TEST B - THE TIRE SHALL BE LANOED AGAINST A F

6、LY WHEEL ROTATING AT A PERIPHERAL SPEED OF 200 MPH (174 KNOTS), THE FLY WHEEL SPEED SHALL THEN BE DXREASED UNTIL A ROLL DISTANCE OF 9000 FEET HAS BEEN COVERED. AT WICH TIME THE TIRE WLL BE UNLANDED. THE AVERAGE DECELERATION RATE SHALL BE 4.5 FT/SEC/SEC BETWEEN 200 AND 100 MPH, AND IS WSPECIFIED BELW

7、 1M1 MPH. THE TIRE LOA0 SHALL BE INCREASED to 1000 LBS IN 2 TO 4 SECONDS AFTER LANDING AHII THEN FURTHER INCREASED LINEARLY WITH TIME TO A VALUE OF 11.OOO LBS IN 49 TO 54 SECONDS AFTER LANDING. LW0 SHALL THEN BE MAINTAINED AT 11,000 LBS UNTIL THE TIRE IS UNLANDED. THE TIRE DEFLECTION AT RATED LOAD O

8、N FLY WEEL SHALL BE THE SAME AS OBTAINED WITH THE RATED LOAD AND INFLATION PRESSURE ON A FLAT PLATE, DEFLECTION AT RATED LOAD ON THE FLY WHEEL SHALL BE THESAME AS OBTAINED WITH THE RATED LWD AND INFLATION THE THE TEST CYCLE SHALL BE IDENTICAL TO THE LOW SPEED (90 TO 0 MPH) DYNAMIC TEST IN MIL-T-5041

9、. THE TIRE PRESSURE ON A FLAT PLATE. (2) BURST TEST - FOLLOWING THE ABOVE DYWlC TESTS THE SAME TIRE SHALL BE SUBJECTED TO A HYDROSTATIC BURST TEST, THE mLL BE INCREASED UNTIL THE TIRE FAILS AND THE FAILING PRESSURE REPORTED IN THE QOALIFICATION TEST REPORT. QLJALIFICATIOH TEST REPORT - THE QUALIFICA

10、TION TEST REPORT SHALL LIST THE RESULTS OF ALL !ALIFICATIOH TESTS AND THE CO(STRUCT1ON DETAILS OF THE WLIFICATION TEST SAMPLE IN THE GENERAL FORM SHOWN IN FIGURE DIMENSIONS LISTED AT RATED INFLATION. QUALIFICATION TEST REPORT, TOGETHER WITH THE DATA AND MTERIAL SPECIFIED ABOVE ANO IN MIL-T-W041 SH4L

11、L BE SUBMITTED TO THE NAVAL AIR SYSTEMS CCMAND. WASHINGTON. DC 20361 ATTENTION: AIR-53032 6 OF MIL-T-5041 HITH THE REPORT SHALL INDICATE THE WUFACTURERS TEST NUCBER TWO (2) COPIES OF THE NOTES: 1. REFERENCED WENTS SHALL BE OF THE ISSUE IN EFFECT ON WTE OF INVITATIONS FOR BIDS, OR REQUEST FOR PRWW EX

12、CEPT TIUT REFEREHCE AWPTED INDUSTRY STANWRDS SWL GIVE THE WTE OF THE ISSUE WIED. FOR DESIGN FEATME PURPOSES, THIS STMWRD TAKES PRECEDENCE OVER PROCUREMENT WCLMENTS LFERENCED HEREIH. 2. MILITARY S1 AH DARD *& WAVY-A8 TITLC *CI, MS I7838 (AS) TIRE, MUOTIC, AIRCRAFT, 2Bx7.7 - TYPE VI1 (MW) *#XIILYNT S?CCICICIT#( iuERsLW): WET 1 OF 1 ID ,“,672-1 (tided rnruiin) -.*.).,-Yu. PROJECT NO. 2620-Nl98 K*E- - * U.S. GOYnRNMENT PRINTING OFFICE: 1911-703-023/7295 2-1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-