Question

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noted. Fuel Tank A float system is used to measure fuel in a gas tank. The float is connected to a gear and the gear is connected to a rotary potentiometer. This is shown in the corresponding figure. Potentiometer shaft 6 teeth 30 teeth 1.21. Empty Full Half Float The rotary potentiometer is linear with a resistance, R=100kn, distributed over a 330° strip (i.e. the potentiometer can rotate 330°). The float is connected to the shaft of a gear with 30 teeth and that in turn rotates the potentiometer through a gear with 6 teeth. The mechanical linkage is set so that when the tank is full, the potentiometer resistance is zero. The float is shown in three positions to show how the resistance changes (increases from zero at full tank). 1. Estimate the cost of a linear rotary potentiometer for this application? Potentiometers come in A, B, and C types. Which one is linear? Is the assumption that it can rotate 330 degrees acceptable? Find a datasheet of a linear potentiometer that would work for this project. i. Answer here

Fig: 1