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Excessive hammer blow from high slipping speeds was a cause of kinked rails with new North American 4–6–4s and 4–8–4s that followed the 1934 A.A.R. recommendation to balance 40% of the reciprocating weight. [8] Out-of-balance inertia forces in the wheel can cause different vertical oscillations depending on the track stiffness.
If a horse is highly collected, the center of balance will be farther back, regardless of gait, than if the horse is in an extended frame. For movements such as a rein back or the levade , the center of balance of horse and rider may be further back than at a standstill, due to the shift of weight and balance to the hindquarters of the horse
Some mechanisms that produce reciprocating, or repeating, motion are designed to produce symmetrical motion. That is, the forward stroke of the machine moves at the same pace as the return stroke. These mechanisms, which are often referred to as in-line design, usually do work in both directions, as they exert the same force in both directions. [6]
The cam can be seen as a device that converts rotational motion to reciprocating (or sometimes oscillating) motion. [clarification needed] [3] A common example is the camshaft of an automobile, which takes the rotary motion of the engine and converts it into the reciprocating motion necessary to operate the intake and exhaust valves of the cylinders.
“Do you guys know what they pay us?” Davidson said. “It’s like $3,000 an episode. I got dinner.” At first, it sounded like a lot of money.
Some species of male birds dance to impress their mates, such as the complicated dance routine of the little red-capped manakin or the flashy display of the male peacock. In other species, the ...
For the Lexus LFA, the engineers selected a V10 engine over an equivalent displacement V8 because they could not get the V8 to rev as high as a V10, [7] and over a V12 for its lower reciprocating mass, [8] [7] allowing for more rapid engine response. [9] High-revving V10 power-plants were incorporated into supercars from Lamborghini and Porsche.
It falls in line with Durant’s production of 28.2 points, 6.9 rebounds and 5.4 assists on 53/41/89 splits, and those aren’t his career numbers — those are his numbers post-Achilles, when he ...