AIR FORCE MS21781-1983 TIRE - PNEUMATIC TYPE VIII 30 X 11.5 - 14.5 26 PR《VIII型30 X 11.5-14.5 26 PR充气轮胎》.pdf

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1、 MS23783 26 R 9999932 0008475 7 m k-2s- I FED. SUP CLASS 2620 GENERAL NOTES 1. REFERENCE TO ANY SPECIFICATION HEREIN SHOULD BE CONSTRUED AS REFERENCE TO THE ISSUE IN EFFECT ON THE DATE OF INVITATIONS FOR BIDS. 2. WHERE CONFLICT EXISTS BETWEEN THIS STANDARD AND ANY OTHER MILITARY SPECIFICATION, THE R

2、EQUIREMENTS OF THIS STANDARD SHALL APPLY. 3. THE TIRE QUALITY ASSURANCE SHALL BE IN ACCORDANCE WITH THE REQUIREMENTS OF MIL-T-5041, TIRE NOTES THE TIRE SHALL CONFORM TO THE APPLICABLE REQUIREMENTS OF MIL-T-5041 AND SHALL CWLY WITH THE REQUIREMENTS LISTED BELOW: MOLD SKID STATIC BURST STATIC SIZE PLY

3、 INFLATION BEAD (IN) PA CM KG CM RATING PRESSURE WIDTH WEIGHT UNBALANCE TREAD DEPTH LOAD PRESSURE CM-G CM PSI(M1N) (PSI) (RATED) (IN) (MAX) (LBS) (MAX) (IN-OZ) (MAX) (IN) (MIN) (LB) 76.229.21-36.83 1.83106 6.98 36.29 48.26 RIB .66 12,066 928 (3011.5-14.5) 26 (265) (2.75) (80) (19) (.26) (26,600) 1.

4、DYNAMIC TESTING - THE FOLLOWING REQUIREMENTS SUPERSEDE THE DYNAMIC TEST REQUIREMENTS OF MIL-T-5041, HOWEVER THE CRITERIA SPECIFIED THEREIN FOR INSPECTION OF THE TEST ARTICLE AFTER TEST SHALL BE MET. FLECTION MEASURED ON A FUT PUTE WHEN LOADED WITH A STATIC MAD OF 12,066%9T KILOGRAMS (26,600 +$O0 POU

5、NDS) AND INFLATED TO 1.83106 PASCAL (265 PSI). EACH OF TWO TIRES SHALL SATISFACTORILY WITHSTAND 20 CYCLES OF TEST “A“, 5 CYCLES OF TEST “B“, 25 CYCLES OF TEST “C“ 3 CYCLES OF TEST ID“, 25 CYCLES OF TEST “E;, 25 CYCLES OF TEST “E2“, WITHOUT EVIDENCE OF FAILURE. WITH THE TIRE INFLATED TO GIVE MEASURED

6、 DEFLECTION EQU O THE DE- A. NORMAL TAKE-OFF - THE TIRE SHALL BE TAXIED ON A FLYWHEEL FOR 3,200 METERS (10,500 FEET) AT 55.6 KILOMETERS/HR (30 KNOTS) AND 12,066391 KILOGRAMS (26,600+200 POUNDS) LOAD. LOAD SHALL BE VARIED TO OBTAIN A TAKE-OFF IN ACCORDANCE WITH FIGURE 3. UPON COMPLETION OF THE TAXI R

7、OLL, THE FLYWHEEL SHALL IMMEDIATELY BEGIN CELERATING AND THE B. TAKE-OFF AT 1,524 METERS (5,000 FEET) ALTITUDE ON A HOT DAY - THE TIRE SHALL BE TAXIED ON A FLYWHEEL FOR 3,200 METERS (10,500 FEET) AT 55.6 KILOMETER/HR (30 KNOTS) AND 12,066 KILOGRMAS (26,600 POUNDS) LOAD. UPON COMPLETION OF THE TAXI R

8、OLL THE FLYWHEEL SHALL IMHEDIAT- ELY BEGIN ACCELERATING AND THE LOAD SHALL BE VARIED TO OBTAIN A TAKE-OFF IN ACCORDANCE WITH FIGURE 4. C. LANDING-WITH THE TIRE INFLATED TO THE SAME PRESSURE USED FOR TESTS “A“ AND “B“, THE TIRE SHALL BE LANDED AGAINST A FLYWHEEL ROTATING WITH A PERIPHERAL SPEED SHOWN

9、 IN FIGURE 5 AS THE LANDING SPEED. THE FLYWHEEL SPEED AND THE TIRE LOADING SHALL BE CONTROLLED TO PRODUCE A LANDING AS SHOWN IN FIGURE 5. 9,934+01 KILOGRAMS (21,900E200 POUNDS). AFTER COMPLETING THE TAXL THE FLYWHEEL SHALL BE STOPP8 AND THE LOAD SHALL Bo00 5 IN) I (4.875 1031 IN) (REF) 24.7642.160 -

10、(9.750+.063 IN) (REF) WHEEL AND TIRE I % FIGURE 1 70 ITLE TIR E- PNEUMATIC M 1117 ARY ST A 99 MS 21781(1 TYPE VI11 lha Gat 3011.5-14.5/ 26 PR CM IN) - (DARD ISAF) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I FED. SUP CLASS I 2620 29.21 CM (11,50

11、0 IN) MAX 27.69 CM (10.900 IN) MIN b L 25.91 CM (10.200 IN) I- MAX I NOTE ALL TIRE DIMENSIONS INDICATE INFLATED WNDITION. DRAWING IS NOT SCALED OR PROPORTIONAL. 78.74 CM (31.00 IN) I DIA 69.95 CM (27.54 IN) DIA 8 I I I I I I t I a 8 , r I + 50 (REF) I , - I I i- - - t 24.7642.160 CM -(9.750.063 IN)-

12、 (REF) - - (2.650 IN) (REF) I-“.“ CM_/ 12.383 2.078 CM DIAMETER (4.875 a031 IN) WHEEL A D TIRE FIGURE 2 - A .- 70 4 M IL IT ARY ST ANDA RD ;n*rw 99 TYPE VI11 3011.5-14.5/26FF! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FED. )UP CLAU 2620 FIGURE

13、3 A L Pd 70 I lm _. TIRE-PNEUMATIC _ . ._ I YILITARY SfADARl II- 99 TYPE VI11 I 3011.5- 14.51.26PR MS 21781 (USF) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS23783 26 O 9999932 0008480 O 0 FED. SUP CLASS 2620 0 12 3 A 5 II 7 II 9 to DISTANCE 10

14、s METERS- (tooo FT) TAKEOFF AT 1- MTTCRS F* ALTIllJDE ON HOT MY FIGURE 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-US23783 26 W 9777932 O008483 2 W FED. SUP CLASS 2620 I 0 a za 11 O r23 DIST I FIGURE 5 TIRE- PNEUMATIC TYPE VIII Y Il IT ARY ST AII DARD 70 TITLE MS 21781 (USAF) UIrcum 30 xll. 5 - 14.5 / 26 PR 99 7 OF 7 -YNT SPECIFICATKH SWERSDES SHEET , MII-T-5041 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-