Why are electric solenoids such a bad choice for gear shifting?
A. For several very good reasons, as detailed below: 1. Temperature instability. The force produced by a solenoid reduces significantly with increasing temperature. At 100 degC, the force output can reduce by as much as 23% compared with at 20 degC. As well as having to endure the searing heat generated by a racing car, a solenoid generates additional internal heat by its own operation. This leads to unreliability and shift inconsistency. 2. High current demand. Although only operated for a short period of time, a solenoid of sufficient size to operate a gear shift places extreme demands on the vehicle electrical system. This can cause voltage drop-outs and cause other electronic systems on the car to malfunction. The high current demand also means that very bulky and heavy cables must be used. 3. Packaging & weight issues. The size of a solenoid required to operate a gear shift means that it will weigh several kilograms and be of such dimensions that it becomes difficult or impossible
A. For several very good reasons, as detailed below: 1. Temperature instability. The force produced by a solenoid reduces significantly with increasing temperature. At 100 degC, the force output can reduce by as much as 23% compared with at 20 degC. As well as having to endure the searing heat generated by a racing car, a solenoid generates additional internal heat by its own operation. This leads to unreliability and shift inconsistency. 2. High current demand. Although only operated for a short period of time, a solenoid of sufficient size to operate a gear shift places extreme demands on the vehicle electrical system. This can lead to voltage drop-outs and cause other electronic systems on the car to malfunction. The high current demand also means that very bulky and heavy cables must be used. 3. Packaging & weight issues. The size of a solenoid required to operate a gear shift means that it will weigh several kilograms and be of such dimensions that it becomes difficult or impossib
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