A-A-52466
TABLE V. Gradeability.
Required maximum geared speed km/h (mph) |
Payload kg (pounds) |
Percent grade (high speed) |
Percent grade (low speed) |
30 (18) |
454 (1,000) |
9 |
25 |
35 or 37 (22 or 23) |
680 (1,500) |
8 |
20 |
47 (29) |
454 (1,000) |
7 |
20 |
63 (39) |
454 (1,000) |
4 |
12 |
3.3.3 Drawbar pull. When a pintle is required, capable of developing a continuous first gear drawbar pull of 340 kg (750 pounds). When an auxiliary transmission is specified for pintle-equipped style G, drawbar pull of not less than 454 kg (1,000 pounds).
3.3.4 Turning clearance. Turn within an SAE J695 vehicle clearance circle of not more than 7600 mm (25 feet).
3.3.5 Service brake performance. On model 1 to FMVSS No.122. On model 2 and model 3 stop and hold the vehicle loaded with total rated payload on a25 percent grade, and stop the fully loaded scooter within a distance of 9140 mm (30 feet) from a speed of 29 km/h (18 mph) on smooth, dry, level, hard-surfaced road.
3.3.6 Parking brake performance. Model 1 to FMVSS No.122. Model 2 and 3 hold the vehicle, loaded with total rated payload, on grade of not less than 20 percent.
3.4 Chassis. Model 1 and model 3 three wheel with single front and two rear wheels. Model 2 four wheels. All front wheel steering and rear wheel driving.
3.4.1 Engine and drivetrain. Four-stroke cycle gasoline. Not less than 18 horsepower at a governed speed not greater than 3600 revolutions per minute (rpm).
3.4.1.1 Oil filter. Full-flow type.
3.4.1.2 Governor. Set to engine manufacturer's maximum recommended operating speed.
3.4.2 Fuel system. Accessible in-line fuel filter.
3.4.2.1 Air cleaner. Manufacturer’s standard.
3.4.2.2 Fuel tank. Not less than 21 liters (L) (5.5 gallons).
3.4.3 Exhaust system. For model 2 and 3, the manufacturer’s standard exhaust system.
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