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Many people do not know what industrial chemists do in engineering factories. Most engineers do not seem to know much chemistry, yet still specify polymers for use in assemblies. I suggest many of the problems which are experienced with Lucas products are due to ageing of the polymers which insulate components. A new Lucas Wader magneto is usually excellent on a motorcycle which is not more than 10 years old. The Lucas SR type of magneto is excellent at any age. When the capacitor is within the windings of an armature, it is subject to vibration. As polymers age, they often harden more. Lucas designs were probably always very good, but might have been used with a presumption that the internal insulation would remain stable.

[QUOTE="acotrel, post: 686169, member: 4295"] Many people do not know what industrial chemists do in engineering factories. Most engineers do not seem to know much chemistry, yet still specify polymers for use in assemblies. I suggest many of the problems which are experienced with Lucas products are due to ageing of the polymers which insulate components. A new Lucas Wader magneto is usually excellent on a motorcycle which is not more than 10 years old. The Lucas SR type of magneto is excellent at any age. When the capacitor is within the windings of an armature, it is subject to vibration. As polymers age, they often harden more. Lucas designs were probably always very good, but might have been used with a presumption that the internal insulation would remain stable. [/QUOTE]

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