ARMY A-A-52166 B-2010 SNOWMOBILES GASOLINE ENGINE DRIVEN COMMERCIAL.pdf
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1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to DAMI_STANDARDIZATIONconus.army.mil or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501
2、 E. 11 Mile Road, Warren, MI 48397-5000. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 2340 NOT MEASUREMENT SENSITIVE A-A-52166B 13 December 2010 SUPERSEDING A-A-52166
3、A June 28, 1996 COMMERCIAL ITEM DESCRIPTION SNOWMOBILES: GASOLINE ENGINE DRIVEN, COMMERCIAL The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers four types of commercial gasoli
4、ne engine driven snowmobiles: moderate speed, high speed, high traction and heavy duty. 2. CLASSIFICATION. Snowmobiles are one of the following types: Type I - Light duty, moderate speed (see tables I and II) Type II - Light duty, high speed (see tables I and II) Type III - Light duty, high traction
5、 (see tables I and II) Type IV - Heavy duty, high traction (see tables I and II) 3. SALIENT CHARACTERISTICS 3.1 Materials. Materials shall conform to the contractors commercial standards and shall be subject to all provisions of this CID. Asbestos, cadmium and radioactive materials shall not be used
6、 in this item. Radioactive material is defined by Title 10, Code of Federal Regulations, Parts 30 and 40, and as other radioactive material in which the specific activity is greater than 0.002 microcuries per gram or the activity per item equals or exceeds 0.01 microcuries. 3.1.1 Material deteriorat
7、ion prevention and control. Vehicles shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable Provided by IHSNot for ResaleNo reproduction o
8、r networking permitted without license from IHS-,-,-A-A-52166B 2 operating and storage environments. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic or electrolytic action. 3.2 Design and construction. Vehicle shall be procurable as an “off-t
9、he-shelf”, commercially produced, readily available item as specified herein. 3.2.1 Airdrop capability. When specified (see 7.2), the vehicle shall be capable of being airdropped using standard military pallet systems (see 7.3). The front ski(s) shall be easily removable to reduce the vehicle length
10、. The vehicle shall be capable of resisting vertical decelerations of approximately 18.5 times the vehicle weight. 3.2.2 Payload capacity. The total vehicle payload shall be not less than that shown in table I. The payload shall include the operator and, when applicable, a passenger (weight computed
11、 at 200 pounds (lbs) each). 3.2.3 Towed sled weight. The towed sled weight shall be the weight towed by the snowmobile and shall include the weight of the sled and its payload. The snowmobile shall be capable of towing a towed sled weight of not less than that specified in table I and shall be capab
12、le of towing the towed sled weight in snow conditions specified in table III. 3.2.4 Ratings. Vehicle ratings shall be the manufacturers published ratings and shall be not less than those specified in table I. TABLE I. Snowmobile weights, loads, and ratings. Type Payload (lbs) Towed sled weight (lbs)
13、 Ground pressure (psi) I 400 500 0.404 II 400 300 0.445 III 400 600 0.405 IV 600 1000 0.390 3.2.5 General configuration. Types I, II and III snowmobiles shall be equipped with a single track drive system and dual steering skis. Type IV snowmobile shall be equipped with a twin drive system, with sing
14、le or dual steering skis and a cargo area located to the rear and parallel to the seat. 3.2.6 Seating configuration. The seat shall be of the open saddle type with friction-surfaced foot rests along the sides. The seat shall be well-padded to withstand the vertical accelerations expected, in accorda
15、nce with SAE J89. For type IV, a backrest shall be adjustable to accommodate the operator and equipment. For types I and III, and when specified for types II and IV (see 7.2), the seat shall have provision for a passenger and shall include a passenger handgrip behind the operator. The handgrip shall
16、 be in accordance with SAE J1062. Metallic passenger handgrips shall have hand warmers built in. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52166B 3 3.2.7 Cargo area (type IV). The cargo area shall be rail-enclosed on the sides to a height o
17、f not less than 8 inches and shall be not less than 5 square feet (ft2) in total platform area. 3.2.8 Ski tiedown straps. When specified (see 7.2), ski tiedown straps with velcro, or equal, fasteners shall be furnished. 3.2.9 Chassis construction. The chassis shall be sufficiently strong to withstan
18、d expected shock loads and rough treatment without premature failure. 3.2.10 Windscreen. The vehicle shall be equipped with a transparent windscreen, made of either shatterproof plastic or safety glass. When specified (see 7.2), a cross-country windshield with full recurve design shall be furnished.
19、 3.2.11 Engine. The engine shall be a multi-cylinder air or liquid cooled, two-stroke cycle, gasoline type having a minimum displacement not less than that specified in table II. Horsepower and torque ratings shall be obtained in accordance with SAE J1349. Engine shall be equipped with an adjustable
20、 ratio oil injection pump. TABLE II. Engine requirements. Type Displacement cubic centimeters (cc) Peak horsepower minimum at rpm Net torque (lbf-ft) minimum at rpm I 365 34 at 7000 25 at 6500 II 365 40 at 7500 30 at 7000 III 365 34 at 7000 25 at 6500 IV 495 32 at 5250 33 at 5000 3.2.11.1 Engine ins
21、truments and controls. Speedometer, odometer, hour meter and deadman throttle control shall be in accordance with SAE J92. 3.2.11.2 Starting system. Starting system shall be manual. In addition, an electric starting system shall be furnished for type IV and when specified (see 7.2) for types I, II,
22、and III. 3.2.12 Transmission. An automatic transmission shall be furnished with the vehicle. For type IV, the transmission shall have not less than two forward speed ranges and one reverse speed. Clutch lining shall be asbestos free. 3.2.13 Tracks. Types I, II and III vehicles shall have at least a
23、single track and type IV vehicle shall have twin tracks. The vehicle track(s) shall be not less than 15 inches wide. The maximum ski and track contact pressure shall be in accordance with SAE J33 and as specified in table I with the vehicle loaded to the curb weight specified in table I. 3.2.14 Stee
24、ring. Steering shall be achieved by means of a tie rod linkage connecting the handlebar to the pivoting front ski(s) on type IV and to dual pivoting front skis on types I, II, and Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52166B 4 III vehic
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