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With the early development of cars and the almost universal rear-wheel drive layout, the final drive (i.e. rear axle) ratio for fast cars was chosen to give the ratio for maximum speed. The gearbox was designed so that, for efficiency, the fastest ratio would be a "direct-drive" or "straight-through" 1:1 ratio, avoiding frictional losses in the ...
Top speed: 228 km/h (142 mph) at 6150rpm 0 – 60 mph: 6.4 seconds 0 – 100 km - 6.9 seconds Standing 1 ⁄ 4 mile (400 m): 14.4 seconds using the standard 3.25:1 Detroit Locker diff ratio. An optional 3.9:1 ratio differential was available and reputedly enabled such cars to cover the 1/4 mile in 13.9 seconds.
Gear Ratios for the Jeep YJ were 3.07:1, 3.54:1, 3.73:1 and 4.10:1 Axle Shaft diameter: 1.09 inches (28 mm) (30 Spline) Ring and Pinion gear sets for Jeep Dana 35 rear applications can be used in Ford Ranger IFS (Dana 35) front axles.
On some differentials only the high speed 2.72–3.73 carrier is used for all gear sets up to 5.89 (JK, Nissan or when thick gears are used) Axle shaft diameter 1.175" front outer (19 spline) 1.20" rear (10 spline) 1.30" rear (19 spline) 1.31" front inner (30 spline) 1.31" rear (30 spline) 1.41" rear (32 spline)
The functions of this design are to change the axis of rotation by 90 degrees (from the propshaft to the half-shafts) and provide a reduction in the gear ratio. The components of the ring-and-pinion differential shown in the schematic diagram on the right are: 1. Output shafts 2. Drive gear 3. Output gears 4. Planetary gears 5. Carrier 6.
The Dana S110 is used in Class 4 and Class 5 applications. Dodge, Ford and General Motors use this axle as well as various other companies. The Dana S110 is a full floating, drop-out axle. Dana S110 axles are a step up in overall strength compared to the Dana 80. Ford started using this axle in 2005 model F-450 and F-550 trucks.
Simple approximation for designing Ackermann geometry. A simple approximation to perfect Ackermann steering geometry may be generated by moving the steering pivot points [clarification needed] inward so as to lie on a line drawn between the steering kingpins, which is the pivot point, and the centre of the rear axle. [3]
A new default off-road program with throttle response recalibration was added, and is automatically activated when Four Low (lock) mode is selected. Expedition can achieve an off-road crawl ratio of 41.06:1 with a low range ratio of 2.64:1 and rear axle ratio of 3.73:1.