Torsion clocks are unusually delicate, ornamental machines which require stable conditions to operate properly. The wheel and torsion spring function similarly to a watch's balance wheel and hairspring, as a harmonic oscillator to control the rate of the clock's hands. The Atmos Clock made by the Swiss company Jaeger-LeCoultre is another style of this clock.
The clock's gears apply a pulse of torque to the top of the torsion spring with each rotation to keep the wheel going.
The force of the twisting torsion spring reverses the direction of rotation, so the torsion pendulum oscillates slowly, clockwise and counterclockwise. The torsion pendulum rotates about the vertical axis of the wire, twisting it, instead of swinging like an ordinary pendulum. This is a weighted disk or wheel, often a decorative wheel with 3 or 4 chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also known as "suspension spring"). For other use, see Kundo (disambiguation)Ī torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. The Torsen differentials fit Mustang 8.8" rear-ends, both solid axle and IRS, and are available in 28 spline and 31 spline versions.Anniversary clock manufactured by S. While it is ideal for street use, autocrossing, and road racing, the Torsen differential is not recommended for drag strip use. This makes the Torsen differential ideal for use with fixed-mount brake calipers. Axle endplay does not increase over time with a Torsen differential because it does not have clutch plates to wear out. This wear causes axle endplay on a solid axle car, which in turn increases brake pad kickback. The clutch plates of the Mustang's stock Traction-Lock differential wear out, requiring periodic replacement to maintain its functionality. Because of this, the Torsen differential does not interfere with the functioning of anti-lock brake systems. Therefore, the Torsen differential will not support any appreciable torque "wind-up" between the two rear tires during braking. By comparison, the Torsen T-2R can deliver about 2.5 times as much torque to both rear tires, collectively, as an open differential can, given the same conditions.ĭuring braking there is little or no torque being conveyed to the differential, and so there is little or no torque difference between the two rear tires. The 4:1 TBR of the Torsen T-2R means that this differential is capable of delivering up to four times as much torque to the tire with better traction than is delivered to the tire with the least available traction. This ratio represents the "locking effect" of the differential. The Torque Bias Ratio (TBR) is the ratio indicating how much more torque the Torsen can send to the tire with more available traction, than is used by the tire with less traction. The excess torque that cannot be delivered to the ground by the tire that is beginning to lose traction is delivered to the opposite tire, which has better traction and can take more torque. When one tire begins to lose traction, the Torsen instantly senses the change in torque being applied to the ground. The Torsen functions as an open differential as long as the amount of torque transmitted to each rear wheel remains equal. Combine a well balanced suspension package on your Mustang with a Torsen for incredible traction! The Torsen's unique torque-sensing ability keeps engine power going to the ground during changing traction conditions. The Torsen is the ultimate performance differential.
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