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Ruhani Rabin

Tech, Life and Thoughts

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Archive for Cars

Color Temperature of H4 Bulbs

colortempB Stock OEM halogen or incandescent bulbs are typically around 3200 Kelvin, which is a yellow light. High visibility  headlight bulbs range from 4000-5000 Kelvin, which is much brighter and whiter, increasing the rider's ability to see what's ahead of them as well as increasing visibility of the driver to oncoming traffic. You'll notice that some bulbs have written as "55=110W". This means that the bulbs technology allows them to get the equivalent of 110Watts of light out of a bulb that only uses 55Watts… energy saver. Read the rest of this entry »

Type of Shock Absorbers

shockabsorberWhat is Shock Absorbers?

Shock absorbers are basically oil pumps. A piston is attached to the end of the piston rod and works against hydraulic fluid in the pressure tube. As the suspension travels up and down, the hydraulic fluid is forced through tiny holes, called orifices, inside the piston. However, these orifices let only a small amount of fluid through the piston. This slows down the piston, which in turn slows down spring and suspension movement.

All modern shock absorbers are velocity sensitive hydraulic damping devices - meaning the faster the suspension moves, the more resistance the shock absorber provides.

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