1、 MSL4172 REV C 26 32 0008353 4 y; 29-49 1 THE TIRE SHALL BE IN ACCORMNCE WITH THE APPLICABLE REQUIRennFrs OF SPECIFICATION NIL-R-7726 EXCEPT AS SPECIFIED HeREIN - STATIC INFL. BEAD worn BATINC RATING PSI IN. LBS. UNBAL DEPTH + 3% LaS. RATED MAX. Mx. i 112 oz. MIN, - 4% SIZE PLY WAD PRESS. WImH WGIG
2、KP STATIC TREAD SKID DEFU: Jx11.50-14.50 If 26 TL 25.000 245 2.?5 90 10 - 21 RIB .30 35 - i! TL TUBELESS 21 AT LEAST FOUR BW NOT H)RE THAN SEVEN RIBS, - THE TREAD GRdVES SHALL BE SHAPED INSOFAR AS PRACTICABLE TO PREVENT FOREIGN OBCTS FROM BEING TRAPPED BEIWEEN THE RIBS FABRIC REINFORCED TREAD. TIRE
3、AND RIM MU: SEE FICURE 1 THE TIRE COVERED BY THIS DRAWING SHALL BE SUITABLE FOR USE AND PROVIDE REASONABLE SERVICE LIFE DURING ALL NORMAL OPERATIONS AT TAKEOFF AND LANDING SPEEDS INDICATED HEREIN ON ALI. TYPES OF RUNWAYS AND ON AInCRAFT CARRIES. A MNIMUH OF FIVE TIRES SHALL BE USED FOR QUALIFICATION
4、 ALL TIRES SHALL BE BUILT USING THE SAME U)MPOUNDS AND WESSING TECHNIQUES. THE TIRES SHALL BE EXAMINED AS FOLLOWS: DIIOFF; a - DENOTES CHANGES v A ri -AS. TITLE MI1 IT ARY ST AN DA 110 him tus! TIRE PNEUMATIC. AIRCRAFT REBUILT, MS 14172 (AS) . OhlXO1OOO LBS. PHASE 3: THIS PHASE SHALL NOT EXCEED 178
5、 SECONDS. HAINTAIN THE 25,000 POUND LOAD AND TAXI THE TIRE FOR 12.000 FEET AT 46 MI“, TEST c - CATAPULT CONDITION - THE FLYWHEEL SHALL BE ACCELERATED AT AN AVERAGERATE OF 14.0 FT/SEC/ -H. BEEN COVERED IN APPROXIMATELY 6 SECONDS. THE INITIAL LOAD OF 24 500 POUNDS SHALL BE INCREASED LINEARLY TO 67,000
6、 POUNDS IN 1.75 SECONDS THEN DECREASiD LINEARLY TO 42.000 MUNDS AFTER A TOTAL OF 6 SECONDS AT WHICH TIME THE TIRE IS UNIANDED. THE INFLATION THE TIRE SHALL BE UNLANDED AFTER A ROLL DISTANCE OF 250 FEET HAS SHALL BE 400-500 PSI CORRECTED FOR FLYWHEEL DIAMETER. TIRES 4 AM) 5: TIM 4 AND 5 SHALL NOT BE
7、SUBJECTED TO CONTRACTOR TESTING: HOWEVER. A HALF SECTION OF TIRE 4 AND THE COWLETE TIRE 5 ALONG WITH A REPRESENTATIVE HALF GFCTTflN nF TIRES 1. 2 AND 3 AFTER DYNAMICTESTS SHALL BE SUBMITTED TO THE COG- - - - - _- _. - - - - - . - -. - - - -. . - - . NIZANT GOVERNMENT LABORATORY AS SPECIFIED IN 1.337
8、7. 1. BEFERENCED DOCUMENTS SHALZ. BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BIDS. OR REQUEST FOR PROPOSAL EXCEPT THAT UEFEPZNCED ADOPTED INDUSTRY STANDARDS SHALL CIVE THE DATE OF THE ISSUE ADOPTED. P t F U c Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
9、nse from IHS-,-,- 8 * MS3372 REV C 26 m 9999932 0008355 8 = I 8 16.50 DU. 4. TIRE DIMENSIONS (INCH) RATED INFUTION PRESSURE - _ OVTSIDE DIA. (Do) SECTION WIDTH (w) SHOIE DU. (0,) SHOULDER WIDTH (U,) RADIUS (Ri) RADIUS (R2) 20.75 29.75 . 11 .o0 11 .50 . 28.50. - 10.50 - - - . 31.00 11.95 20.54 ,lo. 6
10、0 5.15 5.30 THE CONTOUR OF THEAIRCRAFTTIRE SHALL NOT EXCEED THE ENVELOPE SHOWN ABOVE. THIS CONDITION MIST nE HET BEFORE, DURING, AND AFTER THE DYNAMIC TESTING PORTION OF QUALIFICATION TESTW AND WHIU THE TIRE IS ROTATING EQUIVALENT TO GROUND SPEEDS RANGING FROM O TO 230 W-1 WITH THE TIRE INFTATED To
11、THE EQUZRED RATED PRESSURES. SUITABLE XATERUL WITH A CONTOUR PER THE DIMENSIONS ANDOVPLLNE SiWN ABOVE WTWW CtlAFpINo OF T1IE SIDEWALL v“ TESTED TO THE TIRE SHALL FIT A VHEEL DYNAHZC FTIoN OF THIS DRAWIHC. IIOUBE 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
