Instructables

Air variable capacitor from scrap aluminum sheets

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Step 16: The insulator

Picture of the insulator
Look for something that will insulate the rotor's axel from the end plate/chassis. Like for example a rubber hose from a fuel line of an automobile. Since i don't own a car. I just used a plastic pen for a bushing. Note: look for the right pen before you make the top hole bigger. Don not drill until you have your bushing:-)
 
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