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Here are a couple of shots of my MMC. It is built with 20 Cornell Dublier caps r obtained from the Geek Group. Each cap is rated .15uF/2000V. There are two strings of ten, and they can be used in series or in parallel. Mounting is on acrylic, with nylon bolts holding it all together. The left pic shows the front and the right one shows the back.

    

I haven't run it much yet, and only on a coil that was having issues. Although all components have at least 1" of clearance, I did experience some arc over between the banks. However, I think it was due to tuning, not insufficient spacing. If this continues to happen I'll have to add some acrylic barriers between the banks.

The bleeder resistors are the standard 10 megaohm 1/2 watt type. It is important not to place the resistors in direct contact with the caps to prevent arcing over and damaging the caps. For this reason, I placed my caps on the other side of the mounting from the resistors.

Here are some links to more MMC information.

http://hot-streamer.com/TeslaCoils/MMCInfo/mmcinfo.htm

http://www.angelfire.com/tx4/electricbuzz/MMCpage.html

http://www.thegeekgroup.org/Flash/Sales/MMCsales.html

http://ourworld.compuserve.com/homepages/AlanSharp/Caps.htm

http://www.charles.a.hobson.btinternet.co.uk/CAPACITOR.htm

 

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