1、 - MIL-HDBK-910 9999970 02bbb24 Ti9 NOTE: MXL-STD-910 has been redesignated for guidance purposes only. This documenr is PO longer to be cited as a reguiremenc. Far administrative expediency, the only physical change from MIL-STD-910 is this cover page. However, this document is no longer to be cite
2、d as a requirement. If cited as a requiremenc, contractors may disregard the requirements o this document and interpret its contents only as guidance. as a handbook, and is CO be used MIL-HDBK- 91 o 4 March 1998 SUPERSEDING MIL-STD- 910 16 February 1990 MOBILE TACTLCAL SYSTEMS OVERLOAI) PREXENTON PR
3、OCEDWS AREA EURQ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-HDBK-SLO 9999970 0266625 905 MIL-STD-910 FOREWORD 1. This military standard is approved for use by all Departments and agencies of the Department of Defense. 2. Beneficial comments
4、 (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addrzssed to: Commander, U.S. Army Natick Research, Development and Engineering Center, ATTN: STRNC-UB, Kansas Street, Natick, MA 01740-5017 by using the self-addressed Standardiz
5、ation Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. 3. At the present time, many of the tactical systems configured in communications/electronic equipment shelters exceed the gross weight of both the shelter and the shelter prime mover. This decreas
6、es the expected life of the system, adds an additional maintenance burden and restricts movement during some tactical operations. In some instances, overload waivers have been granted by DA authorities due to requirements to use a specific vehicle for tactical missions. The purpose of this standard
7、is to prevent the development of overloaded systems by standardizing payload parameters. As a result of thorough analysis during the early phases of development, vehicle, trailer and shelter requirements can be identified to accommodate system payload. This standard will also serve as an aid in the
8、design process by identifying agencies capable of providing technical information, assessing requirements, and providing transportability approval. 4. This standard prescribes the policy and procedures to be used by the Materiel Developers (MAT DEV) and Combat Developers (CBT DEV) to insure that tac
9、tical vehicle-shelter, trailer-shelter and vehicle-shelter-trailer systems are not overloaded. ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- IL-HDBK-SLO m 9999970 0266626 841 = MIL-STD-910 CON TENT S PAGE . P ARACil AP H 1 . 2 . 3 . 3.1 3.2 4 .
10、 5 . 5 . : 5.2 5.3 5.4 5.4.1 5.4.2 5.5 5.6 6 . 6.1 6.2 6.3 SCOPE . 1 APPLICABLE DOCNENTSI (Not applicable) . 1 Acronyms used in this standard 1 DEFINITIONS 1 Special Terms Used 1 GENERAL REQUIREMENTS/ (Not applicable) . 3 DETAILEL“ REQUIREMENTS . 4 Procedures for determining trailer overload 4 Proce
11、dures for calculating pintle weight 5 Procedures for calculating shelter payload 5 Shelter payload . 5 Procedures for calculating operational equipment weight . 4 Gross shelter weight 6 Procedures for calculating prime mover payload 6 Procedures for calculating total system weight 7 APPENDIX NOTES .
12、 7 Intended use 7 Issue of the DODICS . 8 Subject key word listing . 8 A . Descriptive Data Sheets . SHELTERS . 9 C . Descriptive Data Sheets . TRAILERS 20 D . Descriptive Data Sheets . POWER PLANTS AND POWER UNITS 24 B . Descriptive Data Sheets . VEHICLES 14 E . Descriptive Data Sheets . CALCULATIO
13、N WORKSHEET SETS 32 F . Descriptive Data Sheets . CREW WEIGHTS 47 G . Descriptive Data Sheets . OPERATIONAL EQUIPMENT WEIGHTS . 49 iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-HDBK-SLO 9999970 0266627 788 MIL-STD-9 10 1. SCOPE 1.1 Scope.
14、This standard prescribes the policies, procedures and responsibilities for both Materiel Developers (MAT DEV) and Combat Developers (CBT DEVj an provides a set of standard procedures and criteria that when used, will provide sufficient information to prevent the overloading of tactical vehicles, tra
15、iiers and/or sheiters. 2. APPLICABLE DOCUMENTS. This section is not applicable to this standard. 3. DEFINITIONS 3.1 Acronyms used in this stanaard. MTOE TDA CTA JTA TACOX CTA 50-900 MTMC-TEA BI1 AAL TDP - Technical Data Package 3.2 Special terms used. Abbreviations and special terms used in this sta
16、ndard are defined as follows: a. ADDITIONAL AUTHORIZED LIST ITEMS (AALI): Those items listed in the operators manual which are not issued with the end item. They are separately authorized by an MTOE, TDA, CTA, or 3TA requirements/authorization document. Examples include camouflage nets, power cabies
17、, etc. b. BASIC ISSUE LIST ITEM (BILI) OR BASIC ISSUE ITEMS (BII): Those essential ancillary items required to operate the equipment and to enable it to perform the mission and function for which it was designed or intended. Listed in the operators manual under BII. c. CENTER OF GRAVITY: The center
18、of gravity of a body is the point about which, if the body was suspended, it would be perfectly balanced d. CHASSIS or TRAILER CHASSIS: The basic chassis as it is delivered from the manufacturer. This may include engine, powertrain, cab, wheels and tires, suspension components, brake system attached
19、 to the frame. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-HDBK-710 7999970 02bbb28 bL4 MIL-STD-910 e. CREW WEIGHT: The weight of the crew being transported including equipment, their CTA 50-900 issue, individual weapon, basic issue clothi
20、ng, ammunition and subsistence items. f. CURB WEIGHT: The weight of a vehicle, trailer and/or shelter including fuel, lubricants, coolant and on-vehicle material (BII), excluding additional authorized items, special items, crew weight and operational equipment. g. DRY WEIGHT: The weight of the vehic
21、le with no fuel or coolant but with the crankcase and batteries full. The dry weight does not include any packaging that may come with the vehicle. h. GROSS UEIGST: The sum of curb weight plus payload. For vehicles and trailers, this is the maximum weight for safe off-highway operation. For shelters
22、, this is the maximum shipping weight for safe crane lift. i. GROSS WEIGHT RATING: Permissible gross vehicle weight, normally assigned by configuration management for the end item. j. LUNETTE WEIGHT: The weight at the center of the lunette eye on a trailer when the eye is at the height of the prime
23、movers pintle hook. k. LUNETTE VERTICAL LOAD: The weight at the center of the lunette eye on a trailer applied in a vertical plane at the height of the prime movers pintle hook. 1. MAXIMUM PAYLOAD: The resultant of Gross Weight or Gross Weight Rating minus Curb Weight m. MAXIMUM VERTICAL LOAD: The m
24、aximum weight which may be applied in a vertical plane. n. OPERATIONAL EQUIPMENT WEIGHT: The weight of those items of equipment necessary for operations which are normally transported on/in a tactical system but are not considered Basic Issue Equipment. This does include AAL items and special items.
25、 o. PAYLOAD: Items added to the curb weight. This includes operational equipment, additional authorized items and special items. For some vehicles it also includes crew weight and pintle weight. p. PINTLE LOAD: Same as pintle weight. 2 Provided by IHSNot for ResaleNo reproduction or networking permi
26、tted without license from IHS-,-,- MIL-HDBK-SLO W 9999970 02bbb29 550 MIL-STD-910 q. PINTLE WEIGHT: This is the actual load that the trailers lunette places on the pintle hook of the prime mover. It is the same numerical weight as the lunette weight but it is measured as a static load at the pintle
27、hook on the prime mover. The maximum allowable pintle load for the prime mover must not be exceeded by the lunette weight of the trailer. r. POWER PLAiiT (P?): A mobile configuration of electrical support equipment which consists of two engine driven generators mounted on either one or two trailers.
28、 These generators are coupled via cables through a switch box which allows one generator at a time to provide power to the user system. The 15, 30, 60 and 200 kw generator sets, may also be run in parallel through the switch box. s. POWER UNIT (PU): A mobile configuration of electrical support equip
29、ment which consists of a single driven generator set mounted on a trailer. t. PRIME MOVER: First unit of choice to be used as towing vehicle for traiiers/PU/P?s. u. RAM-D: Reliability, availability, maintainability, durability. v. SPECIAL ITEMS: Those items that may be required to support a special
30、climatic, geographic, or tactical mission. Examples include winterization kits, etc. w. SYSTEM WEIGHT: The total weight of a system in its go to war configuration. This includes vehicle curb weight, trailer curb weight, crew weight, operational equipment weight, additional authorized items as approp
31、riate, and special items as appropriate. x. TARE WEIGHT: Empty weight. The weight of a vehicle, PP, PU, shelter trailer with no fluids, no BII, no AAL items, no special items, no crew and/or no operational equipment included. y. TONGUE WEIGHT: The weight at the center of the lunette eye on a trailer
32、 when the eye is at the height of the prime movers pintle hook. (Most trailers have lunettes that are adjustable to approximately match the height of the pintle hook on the prime mover when the trailer is level.) This weight is used to calculate loading on the prime mover and must not exceed either
33、the towing vehicles maximum allowable pintle load or the trailers own maximum allowable lunette load. 4. GENERAL REQUIREMENTS. This section is not applicable to this standard 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5 - DETAILED EQUIRE.%NTS.
34、 5.1 ?roceduros for calculating ouerationa1 eauictment weight. a. Remove or reproduce Che Operational Equipment keighc WorKskeots from Appendix E. pages 33-42. b. Detemine operational equipment requirements by supply class and list each item in the “item“ column under its appropriate supoiy class. c
35、. Enter the appropriate quantity of each item in the “Quantity“ column. . Enter the appropriate weight in pounds of each listed iten in the “weight“ column. Some item weights can Se found in kppenaix C, Operational Equipment Weight List. NOTE: If an item will be transported on/in more than one mece
36、(ie. vehicle! shelter and tiailer), list the item separately for each mode. Examp i e : - I tem % Weight(1bs)ea .Vehicle.sheiter.traiier. Fire extinguisher 1 2.5 . 2.5 . Fire extinguisher 1 5 .5. fire extinguisher 2 5 . 10 . e. Multi?ly Quantity x keight in pounds each to obtain total item weight an
37、d enter product in the appropriate column. f. Ada the vehicle, shelter and trailer columns ana enter colunn totals at Page Sub-total line. g. On page 42 oi the Operational Equipment Weight korksheet, ada the page sub-totals to arrive at Total Operational Equipmect Weight (Vehicle), Total Operational
38、 Equipment Weight (Shelter) and Total Operational Equipment Weight (Trailer). NOTE: being used. Paragraphs 5.2 and 5.3 below apply only if a trailer/PP or PU is 5.2 Procedures for determining trailer overload. a. Remove Or reproduce the Trailer/PP/PU Weight Worksheet from Appendix E, page 43. b. Ent
39、er Gross/ Traiier/PP/P Weight, (found in Appendix C or DI, on Line A of the worksheet. .4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-HDBK-910 m 9999970 02bbb3L LO9 d. SuOKrcZ Line B frm Line A to determine avaiiabie payloac. Enter rosul: on
40、 Line C of the worksneet-. e. Enter Toial Operational Equipment Weight (trailer) (determined in 5.1g: on Line D of the worksheet. f. SuOCrac: Line D from Line C. If this result is posiiive, triler is not overloaded. If this result is negative, trailer is overloaded and the fa I Lowing opt ions must
41、be cons idered : (1) Re-ssess operationa!. equipment loaded on trailer. (2 1- C;ns ider an alternate trailer. 5.3 ?rocccirz for calculating ninEle weiehc. a. Remove or reproduce the Ttailer/PP/PC Weight Worksnee: from Appendix E, p-%- 43, b. Eats= :railer Curb Weight, fxm Line 3 on Line f of the vor
42、kcheec. c. Enter Xotal Operational Equipment Weight (trailet), fron Line D on Line G. d. Add Line F to Line G and enter sum an Line H. e. MulZl2ly Line H by .O8 to obtzin Pintle Weight and enter result on Line I. NOTE: This is ar. apprsximation for ear?y design purposes. If the exact pintle lood of
43、the trailer with operationai equipment is known, this will be used instead of the approximation. The exact weight will be used for the final transportabilicy engineering analysis and transportability approval. 5.4 5.4.1 Shelter payload. Procedures for calculating shelter payload. a. Remove or reprod
44、uce the Shelter Pavlosd Worksheet from Appendix E, pzge 44. b. Enter the Operational Equipment Weight (see 5.1) on Line X of the wo r k5 heet. -. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-710 M 9999970 02bbb32 045 c. Enter :he Crew W
45、elp-, (from .Appenaix f, ?ago 47) on Line OE the wo r ksheo t. . Aa Lirir li t3 Line B and enter :he sum sn Line C. This SU ro?resen:s the gayload. e. Enter snelter Payload Capacity (from Aopendix A, page 10) on Line D of the xorksneet . f. Enter payioaa from Line C on Line E. g. Subtract Line E fro
46、m Line D. Enter result OR Line F. If Line F ir positive, the shelter is not overloaaea. If Line F is negazive. the snelzor is overloaded. In the event of an overoade snelzez, consiaer the following alterzatives: (I) Eliminate- a portion of the operatima equipment. (2: iiedzce the crer; size. (33 Con
47、siaer using.a snelier with a greaLer payload capacity. 5.L.2 Gross snelter weiqht. Usins the Shelter Payload Worksheet for Pintle Weight considered pa-yload on Line D. If not enter zero. * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5 .s MIL-HDBK
48、-910 = 9999970 OZbbb33 T81 M MIL-sTD- 10 - f. Ada :-?es -A :Zug? anc en,er :ne sum an Line t OZ !lho crxsheot. This sum re-rosents :he Prime yover Payload (actual). . - g. Enter Cross Venicle keighr: rating (from Appenaix 81 on Line :. h. Enter prime mover Curb keighi ifrom Appendix 8) on Line G. i.
49、 Subtrc: Line G from Line F tc determine the Payload (recommended). Enter the resait on Line i. j. Enter the Prime Xover Payload (from Line E) on Line I. k. Subtract Line I frm Line H, Enter the result on Line J. If the result is pcsrtivr, tne prime mover is not overloaded If the result is negzive, The prime mover is overloaded. In the even
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